Everyday Science Papers (1985 - 1999)
 

[CENTER][B][FONT=Verdana]EVERYDAY SCIENCE PAPER 1985[/FONT][/B]
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[B][FONT=Verdana]Q.1 Fill in the blanks:[/FONT][/B]

[FONT=Verdana](i) When the resultant of all the forces acting on a body is zero the body is said to be in a state of _________________ .[/FONT]

[FONT=Verdana](ii) Gamma Rays are similar to _________________[/FONT].

[FONT=Verdana](iii) The phenomenon of separation of ordinary light into its constituent colours is known as _________________.[/FONT]

[FONT=Verdana](iv) If a body weights 600 kg on the surface of the earth then the weight of the same body on the surface of moon will be _________________.[/FONT]

[FONT=Verdana](v) When a bullet penetrates into a target, kinetic energy of a bullet is converted into _________________.[/FONT]

[FONT=Verdana][B]Q. 2 [/B]Draw well labeled diagram to Human Eye. Explain the image formation.[/FONT]

[FONT=Verdana][B]Q. 3[/B] What are longitude and latitude? Why are they drawn?[/FONT]

[FONT=Verdana][B]Q. 4 [/B]Explain the term Element and Compound as used in Chemistry.[/FONT]

[FONT=Verdana][B]Q. 5[/B] Explain the following statements.[/FONT]

[FONT=Verdana](i) The work out put of a machine is always equal to the work input.[/FONT]
[FONT=Verdana](ii) Gravity of all the objects is the same, regardless of their mass at a given point on the earth’s surface.[/FONT]

[FONT=Verdana][B]Q. 6 [/B]What are the symptoms and mode of transmission of the following diseases?[/FONT]

[FONT=Verdana][B]Q. 7 [/B]What do you know about soaps and detergents. How do they differ from each other? What advantages detergents over soap?[/FONT]

[FONT=Verdana][B]Q. 8 [/B]What is mechanism by which balance of Nitrogen is maintained in the atmosphere?[/FONT]

[FONT=Verdana][B]Q. 9[/B] Give the name of five major mountain ranges of Pakistan.[/FONT]

[FONT=Verdana][B]Q. 10[/B] What is lightening? How it is caused? Why it is considered to be dangerous?[/FONT]

[FONT=Verdana][B]Q. 11 [/B]Indicate connections between items in List A and list B by making matching pairs.[/FONT]

[B][FONT=Verdana]A[/FONT][/B]

[FONT=Verdana]Tuberculosis[/FONT]
[FONT=Verdana]Haemoglobin[/FONT]
[FONT=Verdana]Malaria[/FONT]
[FONT=Verdana]Stomach wall[/FONT]
[FONT=Verdana]Liver[/FONT]

[B][FONT=Verdana]B[/FONT][/B]

[FONT=Verdana]Anopheles[/FONT]
[FONT=Verdana]Iron[/FONT]
[FONT=Verdana]Clycogen[/FONT]
[FONT=Verdana]B. C. G[/FONT]
[FONT=Verdana]Pepsin[/FONT]

[FONT=Verdana][B]Q. 12[/B] Rain water is soft and river water is hard. Why? How can hardness of water be removed?[/FONT]

[FONT=Verdana][B]Q. 13 [/B]Describe the construction and use of a transformer.[/FONT]

[FONT=Verdana][B]Q. 14[/B] (a) Discuss the industrial preparation of artificial ghree.[/FONT]
[FONT=Verdana](b) Name the cement factories in Pakistan and enumerate its preparation.[/FONT]

[FONT=Verdana][B]Q. 15[/B] Name the discoveries of the following scientists[/FONT][LIST][*][FONT=Verdana]Watson and Clark[/FONT][*][FONT=Verdana]Louis Pasteur[/FONT][*][FONT=Verdana]Alexander[/FONT][*][FONT=Verdana]Mendel[/FONT][*][FONT=Verdana]Edward Jenner[/FONT][/LIST][FONT=Verdana][B]Q. 16[/B] What do you know about the following. [/FONT][LIST][*][FONT=Verdana]Alloy[/FONT][*][FONT=Verdana]Amalgam[/FONT][*][FONT=Verdana]Agua Regia[/FONT][*][FONT=Verdana]Heavy Water[/FONT][*][FONT=Verdana]Dry Ice[/FONT][*][FONT=Verdana]Methylated Spirit (CH3OH)[/FONT][*][FONT=Verdana]Chloroform (CHCl3)[/FONT][/LIST]

[CENTER][B]EVERYDAY SCIENCE PAPER 1986
[/B][/CENTER]

1. What are the main constituents of China Clay?

2. What are the effects of the deficiency of the following nutrients in the Human body?

(i) Iodine
(ii) Vitamin A
(iii) Vitamin B
(iv) Vitamin C
(v) Vitamin D

3. Define Ultrasonic Waves. What are some uses of Ultrasonic Waves?

4. Name the raw material used in manufactures of Plastic. What are the two well known types of Plastics? Give at least two important properties of Plastic?

5. What is common cause of Heart Attack?

6. In what units the following can be measured?[LIST][*]Force[*]Temperature[*]Current[*]Heat[*]Pressure[*]Radioactivity[*]Atomic Energy[/LIST]7. What parts of the human body secrets the following enzymes? Give one important function of each.[LIST][*]Amylase[*]Pepsin[*]Trypsin[*]Lipase[*]Sucrase[/LIST]8. Mention five applications of Laser.

9. Name the field of the following Scientists.[LIST][*]Jabir bin Hayyan[*]Ibnal Haitham[*]Abu Rehan al Beruni[*]Ibn e Sina[*]Al Khawarzimi[*]Abu Bakar Zakariyya Razi[*]Ibn e Baitar[*]Abu Qasim Zahravi[/LIST]10. What do you mean by the term RADAR? Explain its working.

11. Name the six important elements which forums 99% of the human body.

12. Define the following,[LIST=1][*]Chain Reaction[*]Fission[*]Fusion[/LIST]13. Name the important sources of energy used in the industries in Pakistan. What other alternative sources of energy can be used in the industry?

14. What are planets? Name the known planets.

15. Given below is the list of scientists works (List A) and (List B). Match the two.

[B]A[/B]

Solar system
Current Electricity
Telephone
Gramophone
Atomic Number
Structure of DNA
Mercury Thermometer
Dynamite
Cells
Television

[B]B[/B]

Thomas Edison
Alfred Nobel
Copernicus
Mosley
Fahrenheit
Volta
Watson and Clark
Graham Bell
John Baird
Robert Hooke

[CENTER][B]EVERYDAY SCIENCE PAPER 1987
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[B]1.[/B] What are the achievements of the following scientists?[LIST][*]Muhammad Bin Zakria Razi[*]Ibne Al Hasham[*]Jabir Bin Hayyan[*]Ibne Rushd[*]Mendal[*]Watson and Clark[*]Lamarck[/LIST][B]2.[/B] Who discovered or invented the following? Answer any five.[LIST][*]Penicillin[*]X Ray[*]Telephone[*]Circulation of blood[*]Bicycle[*]Dynamite[*]Mercury thermometer[/LIST][B]3. [/B](a) What do you understand by blood pressure?
(b) What is the blood pressure in man under normal condition?
(c) What is Reflex Action?
(d) What is the difference between a virus and a bacterium?
(e) Name any viral disease special to children.

[B]4. [/B](a) What do you understand by immunity?
(b) What is the principle of immunization?
(c) Why is matching of blood groups done before giving blood transfusion?
(d) What is the principle of pasteurization?

[B]5.[/B] Name the disease which are caused by the deficiency of the following. [LIST][*]Vitamin A(C2H29OH)[*]Vitamin B1[*]Vitamin C[*]Vitamin K[*]Insulin[*]Iodine[*]Gastrin[/LIST] [B]6. Fill in the blanks.[/B]

(a) A process of digestion begins in ______________ .

(b) Sometimes when white blood corpuscles greatly increase in number, they cause a disease called ______________.

(c) The principle of wireless telegraphy was discovered by ______________.

(d) Earth is one of the ______________ planets which revolves round the sun.

(e) The planet nearest to the sun is ______________.

[B]
7.[/B] Define the following.
(a) Nuclear Fission
(b) Cast Iron
(c) Bronze
(d) German Silver
(e) Washing Soda (Na2CO3)
(f) Caustic Soda (NaOH)
(g) Nebula

[B]8.[/B] (a) What is the function of root tubers?
(b) What is the main difference between an animal and plant cell?
(c) Why are the leaves of pine tree needle shaped?
(d) How is the age of tree determined?
[B]
9. [/B](a) Describe the process of photosynthesis in plants.
(b) Name the positively phototropic and negatively phototropic parts of a plant.

[B]10.[/B] (a) How a rainbow is produced?
(b) What are the component colours of rainbow?
(c) What do you know about the Milky Way?
(d) Why do you hear thunder after and see flash of light first?
(e) How an earthquake is caused?

[B]11.[/B] Make five matching pairs from list A and B.

[B]A[/B]

Sleeping
Ring worm
Sulphur
Protein
Kidney
Steel
Pancreas

[B]B[/B]

Tubules
Amino Acids
Tse-Tse
Insulin
Bessemer Process
Fungus
Contact process

[B]12.[/B] Define
(a) Chromometer
(b) Lactometer
(c) Gyroscope
(d) Periscope
(e) Barometer
[B]
13.[/B] Where do the following animals occur?[LIST][*] Kiwi[*] Kangaroo[*] Ostrich[*] Reha[*] Rattles snake[*] Snow leopard[*] Yak[/LIST][B]
14. [/B]Distinguish between the following (Answer any three):
(a) Optical telescope and radio telescope
(b) Weather and climate
(c) Isotherm and Isobar
(d) Small pox and measles
(e) Erosion and corrosion
(f) Epidemic and endemic
(g) Cost iron and wrought iron.
[B]
15.[/B] Define five of the following:
(a) Food Chain
(b) Sumbiosis
(c) Geotropism
(d) Arteriosclerosis
(e) Hemophilia
(f) Yeast

[CENTER][B]EVERYDAY SCIENCE PAPER 1988
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[B]
1.[/B] Describe briefly any two of the following:
(a) Abcess
(b) Appendicitis
(c) Asthma
(d) Goiter

[B]2.[/B] What is the structure and function of human kidney?

[B]3. [/B]What is the factor responsible for environmental pollution in Pakistan?

[B]4.[/B] Name at least five important products which are obtained during refining the crude oil.

[B]5.[/B] Write short notes on any two of the following.
(a) Green House Effect
(b) Pollination
(c) Photosynthesis
(d) Chromosome

[B]6. [/B]What is integrated circuit? What are its uses?

[B]7. [/B]What is the composition of human blood? How clotting of blood take place?

[B]8.[/B] What do you mean by the following term? Answer any five.
(i) Palaeontology
(ii) Limnology
(iii) Sericulture
(iv) Agronomy
(v) Histology
(f) Apiculture

[B]9. [/B]What is meant by rectification? Explain the use of a diode as rectifier?

[B]10[/B]. (a) Give composition of China Clay.
(b) What is the use of Borax in Ceramic Industry?

[B]11.[/B] (a) Match correct composition.

[B]A [/B]
Nitrogen
Oxygen
Carbondioxide

[B]B[/B]

20.94%
78.09%
0.03%

(b) Name the gas used in any two of the following.
(i) Refrigerator
(ii) Aerated drink
(iii) Kitchen gas stove

[B]12.[/B] Explain the Principle of Television.

13. (a) What is the difference between Revolution and Rotation of the earth?
(b) How long it take to complete one revolution and rotation?
(c) What major earth’s phenomena are resulted from revolution and rotation?

[B]14.[/B] (a) Name two mineral exported by Pakistan.
(b) Name the industries which depend upon the following.
(i) Common Salt
(ii) Sulphur
(iii) Silicon
(iv) Gypsum

[B]15.[/B] Name the chemicals which are added in the following either for preservation or for nutritional reasons.
(i) Fruit and Fruit juices
(ii) Drinking Water Chlorine
(iii) Vegetable Ghee
(iv) Meat

[CENTER][B]EVERYDAY SCIENCE PAPER 1989
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[B] 1. [/B](a) What are the main reasons of water logging in Pakistan?
(b) How does a tube well reclaims a water logged soil?
(c) What is salinity?
(d) How do we reclaim a saline soil?
(e) What is reflex arc?

[B]2. [/B](a) What are the main components of Computer?
(b) State the Steps involved in solving a problem on computer

[B]3. [/B]The chemical formula of water is H2O. Why no formula is given to air?

[B]4.[/B] (a) What is the composition of air of atmosphere?
(b) How rainbow is formed?
(c) How do plants make their food?
(d) What is the end product of this process?
(e) What is the difference between mixture and compound?
(f) What is the smallest planet of solar system?

[B]5.[/B] (a) Why it is easier to push heavy grass mover than to lift it?
(b) Why a bomber does not drop a bomb when it is vertically above the target?
(c) What are the producers and consumers in an ecosystem?
(d) How Heroin is produced?
(e) What is the difference between hard water and heavy water?

[B]6. Fill in the blanks.[/B]

(i) Pressure cooker works on the principle that the boiling point of a liquid ______________ with the increase of pressure.

(ii) ______________ is the best conductor of electricity.

(iii) Blood Cells are manufactured by ______________ of the body.

(iv) The smallest organism which causes disease is virus and even smaller is ______________.

(v) Neutron, Positron and Proton have ______________ and ______________ charges respectively.


[B]7. [/B]Write short notes on any two of the following.
(i) Heredity
(b) Photosynthesis
(c) Antibiotic
(d) Process of digestion in human body

[B]8.[/B] Define the following.
(i) Sericulture
(ii) Haemophilia
(iii) Atherosclerosis
(iv) Radioactivity
(v) Vitamin C
(vi) Gypsum
(vii) Stainless Steel
(viii) Fats and Oils
(ix) Chromosome
(x) Phobia

[B]9. [/B](a) Explain the difference between a car battery and dry battery cells.
(b) Pepsin and Tripsin
(c) Washing Soda and Caustic Soda
(d) X Rays and Gamma rays
(e) Small pox and Measles

[B]10. [/B]Write the scientific principle of the following:
(a) Thermometer
(b) Electric Fuse
(c) Rocket
(d) Laser
(e) Lever

[B]11. [/B](i) How can you separate the constituents of a mixture of Iodine, Common salt, and powdered glass?
(ii) What is the difference between telescope and a microscope?
(iii) Under what principle electricity is produced by water held up by a dam?
(iv) What is the duration of day and night in polar region? Explain why?

[B]12.[/B] How can steel be manufacture from iron ore? Explain.

[B]13.[/B] What are the uses of the following instruments?
(i) Galvanometer
(ii) Gyroscope
(iii) Lactometer
(iv) Barometer
(v) Spectrophotometer-meter
(vi) Periscope
(vii) Seismometer
(viii) Meter
(ix) Tachometer
(x) Geiger counter

[CENTER][B]EVERYDAY SCIENCE PAPER 1990
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[B]1.[/B] Write a brief note on the transmission and reception of Radio waves?

[B]2. [/B]Write at least five important functions of human skin.

[B]3.[/B] Give a comparison of Camera and human eye.

[B]4. [/B]What is meant by semiconductor? Explain how the conductivity of such material changes with:
(i) Temperature
(ii) The presence of impurities.

[B]5.[/B] (a) Define the term pesticide.
(b) Name any four living organisms on which following pesticides are effective?
(c) What are the harmful effects of these pesticides are human life?

[B]6. [/B]What are the animal and plant sources of the following?[LIST][*]Vitamin B1[*]Iron[*]Vitamin A[*]Calcium[*]Vitamin B[*]Vitamin E1[*]Nicotinic Acid[/LIST][B]7.[/B] Lunar Eclipse occurs only at about the times of full moon while solar eclipse never occurs on full moon days. Explain why?

[B]8.[/B] (a) Give chemical name of one Nitrogen and one phosphorous containing fertilizer.
(b) What is the role of Nitrogen and phosphorous in the growth and development of various parts of plants?

[B]9. [/B](a) What do you know about Endocrine Glands?
(b) From which part of the body following hormone are secreted?
(i) Insulin
(ii) Thyroxin
(iii) Adrenalin
(iv) Oestrogen
(v) Progesterone
(vi) Testosterone

[B]10. [/B]What is the difference between any five of the following?
(i) Rock and Soil
(ii) Air cooler and Air conditioner
(iii) Electron and Beta particles
(iv) Conductor and Insulator
(v) Power and Energy
(vi) Mitosis and Meiosis
(vii) Analogy and Homology

[B]11.[/B] Give the principles and brief working of any two of the following.
(i) Rocket
(ii) Atomic Reactor
(iii) Vaccine
(iv) Telephone

[B]12.[/B] (a) Match name of scientist with his discovery.

[B]A [/B]

Antonio Vas Leuwenhoek
Alexander Fleming
Dr. C. Gilbert
Mendeleev
Edward Jenner

[B]B[/B]

Penicillin
Small Pox Vaccine
Micro organism
Laser
Periodic Table

(b) Name the scientific field in which following Muslim scientists have made their contribution.[LIST][*]Jabir Bin Hayyan[*]Ibn el Haitham[*]Ibn Baitar[*]Abu al Qasim Zharvi[*]Al Khwarizmi[/LIST][B]13. [/B](a) Prepare separate lists of Natural and Synthetic Polymers from the follwong.[LIST][*]Acrylic[*]Nucleic Acid[*]Dacron[*]Protein[*]Malmac[*]Cellulose[/LIST](b) Give uses of any two of the following types of plastics.
(i) Polyvinyl chloride
(ii) Polyethylene
(iii) Bakelite

[B]14.[/B] Identify the effects produced by the following drugs.
(i) Marijuana
(ii) LSD
(iii) Heroine
(iv) Codeine

[B]15.[/B] Write short notes on any two of the following
(i) DNA
(ii) Acid Rain
(iii) Green house Effect
(iv) Sex Linked Inheritance

[CENTER][B]EVERYDAY SCIENCE PAPER 1991
[/B][/CENTER]

[B]1. [/B] (a) What is science? Give a brief introduction?
(b) In what aspects science differs from arts, literature and philosophy?
(c) What disciplines of realms of human knowledge can be included in Natural Science, social sciences and Humanities?
(d) Make a list of limitations of Science

[B]2.[/B] Highlight the contributions of any three of the following:

(a) Umar Khayyam
(b) Ibn Sina
(c) Al Farabi
(d) Ibn e Nafis
(e) Al Kinidi
[B]
3. [/B]Give scientific examples. Discuss whether science and technology have made life for man easier than it was 500 years ago?

[B]4.[/B] (a) What are the main groups of ceramics in respect of their use in our daily life?
(b) What are plastics? Give their properties and uses in detail in life?
(c) Distinguish between Pig Iron, Cast Iron and Wrought Iron.
[B]
5.[/B] (a) Name the members of solar system.
(b) Explain briefly the formation of days and nights.
(c) How seasonal variation occurs on our earth?

6. (a) Explain work, energy, and power and give their units.
(b) How work may be converted into energy vice versa?

[B]7.[/B] (a) Mention the characteristics of laser with the influence of each property.
(b) What is doping and how its influence on the division of semi conductors into N & P Type Semiconductor?

[B]8. [/B](a) Distinguish between Computers and Microprocessors.
(b) What are the main elements of a Micro Computer?
(c) What do you mean by peripherals, hardwares and softwares?

[B]9. (a) Write response on the following[/B]

1. The method by which men provides for his everyday needs and desires is called (Technology, Engineering, Versatility)

2. Of all the flying machines, man has made only (Balloon Jet Air Craft, Rockets) are suitable for space flight.

3.Transistors do not need a warm u period because they have no (Plate, Grid, Filament)

4.If an object gives off its own light, it is said to be (transparent, illuminated, luminous)

5.An electric heater would be most likely to produce (X-rays, Ultra Violet, I R Radiations)

[B] (b) Fill in the blanks[/B]

(i) If the mass/volume ratio of a box containing stones is equal to the mass volume ratio of a box containing feather than the box containing ________ has smaller volume of material in it.

(ii) In nay one kind of atom, the number of proton, electrons is the same, it is the number of _________ which may change from atom to atom of the same element.

(iii) The _________ scale of temperature is called the absolute scale.

(iv) The type of radiation hat is unaffected by magnetic field is called __________ .

(v) If we know the mass of an object and the force applied on it, it is possible to calculate _________ of the object.


[B]10. Distinguish between the following[/B]

(a) Artificial Radio Activity
(b) Electron and Beta Rays
(c) Hydel Power and Nuclear Power
(d) Photo-Voltaic and Photo Electric Effect
(e) Microscope and Telescope

[B]11. Match the following pairs from list I & list II[/B]

[B]List I[/B]

Kidney
Proteins
Photosynthesis
Heredity
Nuron
Hemophilia
Pace Maker
Virus
Antigen
Amphibian

[B]List II[/B]

Frog
Antibody
Hepatitis
Bleeding disease
Heart
Nerve cell
Chromosomes
Plant
Amino acid
Nephron

[B]
12. (a) Give a definition of the following [/B]

(i) Inflammation
(ii) Transfusion
(iii) Reflex Action
(iv) Anemia
(v) Heart Sounds

[B](b) Differentiate between the following[/B]

(i) Enzymes
(ii) Insulin and Trypsin
(iii) Root
(iv) Cellulose
(v) Milligram and Kilogram

[B]13. Write short note of any three of the following[/B]

(i) Digestion
(ii) Malaria
(iii) Vitamin
(iv) Pollination


[B]14.[/B] (a) Name the organs responsible for the following functions present in either elements, plants or human.[LIST][*]Vision[*]Reproduction[*]Hormone Secretion[*]Blood Pumping[*]Food Storage[/LIST] [B](b) Fill in the blanks[/B]

(i) Active transport in animals and plants required metabolic energy and ______________ to carry the substances across cell membranes electrical gradient.

(ii) Diseases that spread through air are called _________ disease.

(iii) Large trees give off ___________ for the support of their heavy spreading branches.

(iv) When iron is less in body the quantity of __________ in cell decreases.

(v) Arteries become hard due to deposition of _____________________ in them.

[B]15.[/B] In which organ these parts are present in animal or human body. Describe its structure and functions briefly.

[CENTER][B]EVERYDAY SCIENCE PAPER 1992[/B]

[/CENTER]

[B]1.[/B] Give an account of the contributions of Muslim Scientists during the period extending from the eighth to twelfth century.

[B]2.[/B] Explain any three of the following Laws of Science.

(a) Law of Heredity
(b) Law of Gravitation
(c) Law of floatation of Bodies
(d) Law of Conversation of Energy

[B]3. [/B]In addition of performing major functions, some organs of the body secrete hormones also. Name any four of these organs and mention some of the hormones they secrete.

[B]4. Attempt any five of the following[/B]

(a) The solar system has

(i) 9 planets
(ii) 12 planets
(iii) 16 planets

(b) The science of study of old age is called

(i) Gerontology
(ii) Carcinology
(iii) Nephrology

(c) The instrument used for measuring the velocity

(i) Barometer
(ii) Anemometer
(iii) Potometer

(d) The science which deals with the bird is called

(i) Entomology
(ii) Ornithology
(iii) Herpetology

(e) The function of the thermostat in a refrigerator is

(i) To increase the freezing point
(ii) To Lower the temperature
(iii) To maintain the temperature

(f) Blotting paper absorbs ink because

(i) It has a chemical affinity for ink
(ii) The action of capillary
(iii) The force of gravitation acts between blotting paper and ink.

(g) Mirage is an example of

(i) Reflection of light
(ii) Refraction and internal reflection of light
(iii) Polarization of light
[B]
5.[/B] What do you understand by biochemical cycle? Give an account of nitrogen or carbon cycle?

[B]6.[/B] Where are the following animals found? Answer any five.

a) Kangaroo
b) Kiwi
c) Llama
d) Ibex
e) Panda
f) Snow Leopard
g) Penguin

[B]7. [/B]Name the sources of any five of the following biological products.

a) Musk
b) Codeine
c) Cocaine
d) Quinine
e) Colchicines
f) Digilain
[B]

8. [/B] (a) What is meant by rotation of crops? What advantages result from this practice?

(b) Why does an electric bulb make a sudden loud noise when it is broken?

(c) What is the scientific basic of the following?

(i) Pasteurizing milk
(ii) Breathing after running

[B]9. [/B]Differentiate between any five of the following

a) DNA and RNA
b) Alloy and Amalgam
c) Blood and Lymph
d) Stars and Planets
e) Gas and Vapour
f) Brass and Bronze
g) Small pox and Measles
[B]
10. Fill in the blanks[/B]

a) The age of a tree can be determined by counting ___________ .

b) In a normal resting man, the rate of heart beat is ____ per minutes.

c) In Pakistan copper is found in ________ .

d) American space shuttle _______________ is the first winged space hip to orbit and return to airport landing.

e) _________ a defect of vision which does not permit to see clearly the distant objects.

f) The brightest planet is ________

[B]11.[/B] (a) What gases are taken in and given out by a green plant in darkness and in sunlight?
(b) What are the characteristics of insect pollinated flowers?
(c) What is heavy water?
(d) What is twinkling of stars? Explain.
(e) What do you understand by half life time of a radioactive substance?
(f) What is Cellulose? What are its uses?

[B]12. [/B]Describe briefly the principle and working of any two of the following appliances

a) Radar
b) Television
c) Pressure cooker

[B]13.[/B] Name two diseases caused by following groups of micro-organisms.

a) Bacteria
b) Viruses
c) Protozoa
d) Fungi

[B]14.[/B] (a) What are the commercial forms of the iron?
(b) What is baking powder chemically?
(c) What are the uses of sulfuric acid?

[B]15. [/B]Write short notes on any five of the following

(a) Haemophiia
(b) Tuber
(c) Catalyst
(d) Early Bird
(e) German Silver
(f) Laser
(g) Spectrum colours

[CENTER][B]EVERYDAY SCIENCE PAPER 1993[/B]
[/CENTER]


[B]1. [/B]Which of the following statements are false and which are true.

a) Urea is a phosphorous fertilizer
b) Ibn Baitar was a renowned Muslim Botanist
c) Penicillin was discovered by Edward Jenner
d) Cellulose is a natural polymer
e) Vitamin A and D are water soluble.
f) Amoeba is a unicellular animal
g) Solar eclipse occurs in full moon
h) Water is a bad conductor of electricity
i) Leprosy is a disorder of the nervous system
j) Chlorofluorocarbons cause decomposition of ozone
[B]
2. [/B]Write short notes on any two of the following

a) Nitrogen cycle
b) Solar system
c) Green house effect

[B]3. [/B]Describe any of the following terms in not more than four lines.

a) Mitosis
b) Hemophilia
c) Reflex action
d) Metabolism
e) Fission
f) Non-renewable energy resources

[B]4. Fill in the blanks with correct choice.[/B]

(i) Quartz is chemically a _____________.

(ii) Chicken egg is composed of _____________.

(iii) Visible light energy has the wavelength range of _____________.

(iv) The particles with positive charge but having mass equal to that of electron is called _________ .

(v) Gas in children’s play-balloons going upward is ____________.

(vi) Standard pressure is ______________.

(vii) Iron corrodes due to the formation of ________________.


[B]5.[/B] What is the difference between a ‘DAM’ and a ‘Barrage’? Why cannot Barrages be used for production of hydroelectric power?

[B]6.[/B] What are plastics? Discuss their important properties which have contribute to their extensive use in modern industry. Explain their adverse effects on
(i) Environment
(ii) Agriculture

[B]7. Give reasons of the following:[/B]

a) A 25 watts incandescent bulb provides much less light than a 25 watts fluorescent tube light.
b) A ball dropped vertically on the ground does not rise to its original height.
c) Meat takes longer time to cook on a mountaintop than at sea level.
d) More stirring is needed when sugar is dissolved in cold coffee than in hot coffee

[B]8. [/B]Explain in detail what is a balanced diet; name a nutrient present in each of the following food

(i) Apple
(ii) Bread
(iii) Meat
(iv) Butter
(v) Orange
(vi) Egg
(vii) Milk
(viii) Spinach

[B]9. Differentiate between[/B]

(i) Latitude & Longitude
(ii) Pig Iron & Cost Iron
(iii) Hard Water & Heavy Water
(iv) Drug use & Drug abuse

[B]10. [/B]What are the warm blooded animals? Give any two examples. Explain any three traits found in warm blooded animals

[B]11. [/B]What does the abbreviation LASER stand for? Point out three differences between laser and ordinary light. Mention two applications of Laser.

[B]12. Name the instruments used for measuring each of the following
[/B]
(i) Pressure
(ii) Voltage
(iii) Purity of milk
(iv) Temperature
(v) Velocity of wing

[B]13.[/B] What is Computer? Name their different classes. Briefly explain the term Software and Hardware.

[B]14. [/B]Muslim Scientists contributed in science and mathematics during the period 8th – 13th century. Name five scientists who are well known for their contribution in the following fields during the era.

(i) Chemistry
(ii) Algebra
(iii) Light
[B]
15. Fill in the blanks[/B]

(i) Starch is a polymer of __________.

(ii) A big astronomical observatory known as the _________________________ was established during the reign of Caliph Mamoon.

(iii) Adrenalin is secreted by the Adrenal _______________.

(iv) ________ planet is nearest to the earth.

(v) CFC is the abbreviation of _____________________.

(vi) The process of conversion of a material from solid state directly to gaseous state is called ____________.

(vii) [FONT=Verdana]A junction diode is formed by PWP semiconductor pieces whereas junction transistor is a sandwich made up of P__________ [/FONT][FONT=Verdana] transistor.[/FONT]

[CENTER][CENTER][B]EVERYDAY SCIENCE PAPER 1994

[/B][/CENTER]
[/CENTER]

[B] 1. Which of the following statements are true and which are false.[/B]

a) Bacteria are parasites
b) Ruby is an Oxide of Aluminum
c) In the Australian continent, days are longer than nights in June.
d) Gypsum is hydrated calcium carbonate chemically.
e) Twenty-three moons revolve around Saturn
f) Pluto is the coldest planet
g) Chromite ore contains chromium oxide
h) Mica is a nonconductor of electricity.
i) Sun is the biggest star in the universe.
j) The earth completes one rotation about its axis in 365.25 days.

[B]2. [/B]Write short notes on any Two of the following

(i) Structure of cell (animal)
(ii) Hovering satellite
(iii) Water pollution

[B]3. [/B]Describe briefly any Five of the following terms

(i) Ecosystem
(ii) Laser
(iii) Alloy
(iv) Polymer
(v) Diffusion
(vi) Balanced diet
[B]
4. Fill in the blanks [/B]

(i) The capacity to do work is called _________.

(ii) The energy possessed by a body die to its position is called _________.

(iii) Kitab al-Manazir is a publication by a famous Muslim scientist about _________.

(iv) _________ usually lies in the centre of an animal cell.

(v) Calcium and _________ are the essential elements of bones.

(vi) Proteins are formed by combination of _________.

(vii) Rainwater dissolves sulphur dioxide to form _________

(viii) The set of instructions given to a computer is called _________.

(ix) Chemicals such as penicillin which set on _________ are called antibiotics.

(x) Comet Shoemaker Levy 9 hit the planet _________ in July this year.


5. Name the three major parts of human brain and the functions they control. Make a rough labeled diagram of the brain.

6. Explain what is meant by “Non-conventional source of energy”. Describe any three of these.

7. Give brief answers for any five of the following

(i) Name the two proteins found in milk.
(ii) What organ of human body controls the amount of water and salt in blood?
(iii) Drugs are classified into five major groups. Define any two.
(iv) How do chromosomes in a male and female (enter) in a human body?
(v) Which two gases do you exhale more than you inhale?
(vi) Name any two glands which secretes hormones in human body.

8. Explain briefly any two of the following phenomena.

(i) Lunar eclipse
(ii) Photosynthesis
(iii) Formation of a rainbow

9. Differentiate between any five of the following pairs.

(i) Veins and arteries
(ii) PNP and NPN transistor
(iii) Electronic current and static electricity
(iv) Concave and convex lens
(v) Fats and oils
(vi) Absorption and adsorption

10. Describe in detail, the impact of scientist inventions on agriculture.

11. What are viruses? Describe their structure. Which of the following diseases are caused by virus and which are caused by bacteria?

(i) Polio
(ii) Diphtheria
(iii) AIDS
(iv) Tetanus
(v) Smallpox
(vi) Measles

12. Describe the principle, construction and working of telephone.

13. Which part of a plant do they belong to?

(i) Ginger
(ii) Raddish
(iii) Potato
(iv) Cinnamon
(v) Peanut
(vi) Saffron
(vii) Almond
(viii) Chillies
(ix) Spinach
(x) Tomato

[B]14.[/B] Which field of study do the following branches of science represent?

(i) Haematology
(ii) Cytology
(iii) Morphology
(iv) Psychology
(v) Geology

[B]15. Fill in the blanks.[/B]

(i) In a heat engine, heat energy is changed into _________ (mechanical energy, magnetic energy, light energy)

(ii) Frequency of audible sound in Hertz (Hz) is _________ (20 – 20,000Hz, 20,000 – 30,000Hz, 30,000 – 4,000Hz)

(iii) Deficiency of vitamin B causes _________ (rickets, beriberi, night blindness)

(iv) Cheapest source of producing electricity is _________ (coal, natural gas, water)

(v) The smallest unit of measurement of wavelength is _________ (micrometer, angstrom, manometer)

(vi) The chemical generally used in refrigerators is _________ (ethylene, glycofreon, methyl alcohol)

(vii) The unit of ‘TON’ to specify air conditioners is equal to _________ (10,000 BTU/hour, 12,000 BTU/hour, 16,000 BTU/hour)

(viii) Unit of electricity ‘KILOWATT HOUR’ is the unit of (force, work, power)

(ix) Period of famous Muslim scientists is _________ (3rd – 5th century, 6th – 7th century, 7th – 13th century A.D.)

(x) Heat radiation travels at a speed equal to _________ (half the speed of light, speed of light, speed of wind)

[CENTER][B]EVERYDAY SCIENCE PAPER 1995[/B]
[/CENTER]


[B]Note: Attempt TEN questions. All questions carry equal marks. Draw diagrams where necessary. Negative marking would be done for incorrect answers in Question Nos. 1 and 14.[/B]


[B]1.[/B] Which of the following statements are true and which are false.

a) Cryptograms are non-flowering plants.
b) Reserve food material is usually stored as glycogen in plants.
c) Streptococcus is a gram negative bacteria
d) Spinach is a good source of vitamin K.
e) Insulin is a hormone secreted by the spleen.
f) Femur is a bone of the forearm.
g) The moon has no atmosphere.
h) Excessive burning of fossil fuels cause acid rain.
i) Twenty-first of June is the longest day of the year in the northern hemisphere.
j) Electricity is a secondary source of energy.

[B]2.[/B] Define any FIVE of the following scientific terms.

a) Doping
b) Immunization
c) Pasteurization
d) Modulation
e) Catabolism
f) Reprocessing of reactor fuel.

[B]3.[/B] What do you understand by the term “deforestation”? Discuss its ill-effects on the mankind.

[B]4. Fill in the blanks. [/B]

a) The largest planet of the solar system is _________.

b) The outermost layer of the earth is called _________.

c) Newton is the unit of _________.

d) Radium was discovered by _________.

e) The memory of the computer is expressed in _________.

f) Quartz is a crystalline form of _________.

g) AIDS is caused by _________.

h) Chemical name of gypsum is _________.

i) Molten super hot material present inside a volcano is called _________.

j) Richter scale measures the severity of _________.


[B]5. [/B]What is composition of blood? Describe six main functions of blood.

[B]6.[/B] Write short notes (not more than 150 words) on any two of the following.

a) Semi-conductors
b) Pesticides
c) Laser.

[B]7. [/B]Write short notes (not more than 100 words) on the ife and works of any TWO of the following scientists.

a) Ibn Al Baitar
b) Al Beruni
c) Ibn al Haitham

[B]8.[/B] Give brief explanation of any FIVE of the following.

a) The earth bulges out at the equator.
b) The sun appears red at the sunset and sunrise.
c) Ozone layer in the upper atmosphere is necessary for our survival.
d) The sky when viewed from the moon appears completely black.
e) Australian continent has winter season when we have summer season in Pakistan.
f) Roads are bent inwards on curves.

[B]9.[/B] Write an essay (not more than 200 words) on ‘Variation of apparent moon size’. Draw diagram to support your description.

[B]10. [/B]Classify the following animals are reptiles, mammals, birds and fish.

a) Blue whale
b) Cobra
c) Panda
d) Ostrich
e) Penguin
f) Kiwi
g) Shark
h) Alligator
i) Dolphin
j) Tortoise.

[B]11.[/B] Name all the organs of the excretory system of the human body. Draw a labeled diagram and explain the functions of each organ.

[B]12. [/B]Differentiate between the following.

a) Hypoglycemia and hyperglycemia
b) Epidemic and endemic
c) Herbivores and carnivores
d) Photosynthesis and respiration
e) Pollination and fertilization

[B]13.[/B] How do our domestic and industrial activities pollute water? Explain with reference to two important industries of Pakistan.
[B]
14. Fill in the blanks with the correct choice.[/B]

a) pH of blood is (3.4-4.4, 7.3-7.4, 9.3-9.4)

b) One of the countries through which equator passes is (Kenya, Pakistan, Malaysia)

c) Purest form of iron is (pig iron, wrought iron, cast iron)

d) Hypo is a solution of (sodium chloride, silver nitrate, sodium thiosulphate)

e) Cod liver oil contains (Vitamin K, Vitamin E,, Vitamin D)

f) Aorta is an organ of the (nervous system, circulatory system,, digestive system)

g) Planet Mars has (one, two, four) moons.

h) Bauxite is an ore of (boron, aluminium, magnesium).

i) Circular aperture which appears as a dark spot in the eye is called (iris, pupil, lens)

j) The most distant planet in the solar system is (mars, Pluto, Jupiter)

[B]15.[/B] Match the scientists and their discoveries/inventions given in column (a) and (b)

[B]A

[/B]Einstein
Roentgen
Charles Darwin
Chadwick
Mendel[LEFT]
[/LEFT]
[B]B
[/B]
Neutron
Laws of heredity
X-Rays
Theory of evolution
Mass energy conversion equation

[CENTER][B]EVERYDAY SCIENCE PAPER 1996[/B]
[/CENTER]


[B]Note: Attempt TEN questions. All questions carry equal marks. Draw diagrams where necessary. Negative marking would be done for incorrect answers in Question Nos. 1 and 2.[/B]

1. Which of the following statements are true.

a) Jabir Ibne Hayyan was the author book Kitab Al- Manazir.
b) Abyl Qasim Al-Zahravi was a famous Muslim mathematician.
c) The speed of light is nearly 300,000 km/sec.
d) Ideally water can e used as a car fuel after electrolysis.
e) A machine helps us do more work with less force.
f) Our eye is very sensitive to blue light.
g) We can receive TV sound signal on our FM radio sets.
h) Sound can travel through vacuum.
i) Famous Muslim botanist Ibn Al Baitar lived during the period 700-90 A.D.
j) A ceramic engine would have greater efficiency.

[B]2. Fill in the blanks with the correct choice.[/B]

a) Al Beruni died in ____________ A.D. (848, 1048, 1248)

b) Abu Ali Sina was born in ____________. (Iraq, Turkey, Spain)

c) ____________ colour has shortest wavelength. (blue, yellow, green)

d) ____________ metal has the highest electrical conductivity. (silver, tungsten, copper)

e) Light travels fastest in ____________. (glass, vacuum, plastics)

f) Our solar system has about ____________ satellites. (thirty-five, fifty, ninety-six)

g) The universe is ____________. (contracting, expanding, stationary)

h) The disease, hemophilia is caused by the deficiency of vitamin ____________ (A, K, D)

i) ____________ is a natural polymer. (glucose, protein, polyethylene)

j) ____________ cannot be nominated for the Nobel Prize. (physicists, economists, astronomers)

[B]3. Define any five of the following terms.[/B]

a) Biogas
b) Geothermal energy
c) Vaccine
d) Antibiotic
e) Ceramics
f) Light year

4. Briefly discuss classification of plants giving suitable example of each type.

5. What are Endocrine Glands? Name any two. From which part of the body are the following secreted:

a) Insulin
b) Thyroxin
c) Adrenaline
d) Oestrogen
e) Testosterone
f) Cortisol

6.What does laser stand for? Describe four different applications, clearly stating their principle.

7. Define energy. What are its units in the metric system? Name two devices each in which major part of electrical energy is converted into hear, light, sound, mechanical energy.

8. What do the following scientific abbreviations stand for?

a) LPG
b) TNT
c) RNA
d) CNG
e) ATP
f) RBC
g) ECG
h) PVC
i) RAM
j) CFC

9. Write short notes on any two of the following

a) Acid rain
b) Green house effect
c) Ozone depletion

10. What are the three components of the CPU in a computer? What is the function of each?

[B]11. [/B]Draw clearly the vertical section of a human body. Indicating various parts. How are adult human teeth classified?

[B]12.[/B] Briefly describe the principle and function of a camera. Mention its essential parts along with brief comparison with an eye.
[B]
13. [/B]Explain briefly, the formation of day and night. How do seasonal variations occur on our earth?

[B]14. Differentiate between any five of the following[/B]

a) Thermoplastics and thermosetting plastics
b) Lunar eclipse and solar eclipse
c) Asteroid and meteorite
d) Renewable and non-renewable energy resources
e) Endothermic and exothermic reactions
f) Star and planet
g) Nuclear fission and nuclear fusion

[B]15. Fill in the blanks[/B]

a) ______________ are biological catalysts which have multiple function in the body.

b) The difference between electrical charges at the two ends of a conductor is called ______________.

c)The branch of zoology which deals with the study of insects is called ______________.

d) Electric current is measured by an ______________.

e) Dry ice is solid ______________.

f) Fuels formed from animal and plant matter that lived thousands of years ago are known as ______________.

g) Light with larger wavelength than that of the red colour is called ______________.

h) Penicillin was discovered by ______________.

i) Medulla Oblongata connects the ______________ with the spinal chord.

j) The pH of normal human blood is ______________.

[CENTER][B]EVERYDAY SCIENCE PAPER 1997[/B]
[/CENTER]

[B]
Note: Attempt TEN questions. All questions carry equal marks. Draw diagrams where necessary. Negative marking would be done for incorrect answers in Question Nos. 13 and 14.[/B]

[B]1.[/B] Discuss the role and achievements of Muslim physicists during the 10th century.

[B]2. [/B]Explain the structure of Earth and its atmosphere.

[B]3.[/B] Write short notes on any two of the following
(i) Solar eclipse
(ii) Thermoplastics
(iii) Non-renewable energy resources.

[B]4.[/B] What are pesticides? Discuss their classification, commonly in use with agronomists.

[B]5. What is the difference between[/B]

(i) BIT and BYTE
(ii) RAM and ROM
(iii) C.U. and A.L.U
(iv) Hardware and Software
(v) Personal computer and mainframe

[B] 6. Explain any five of the following terms (innot more than four lines each):[/B]

(i) Osmosis glycolysis
(ii) Phototaxis
(iii) Transpiration
(iv) Saponification
(v) Emulsion

[B]7. Fill in the blanks[/B]

(i) A sheet of muscles called ___________ separates the chest from the abdomen.

(ii) In the human body, blood-clotting factor is produced by the ___________

(iii)Human blood is able to carry large amounts of oxygen because of the chemical ___________.

(iv)The living part of a plant cell is composed of a nucleus and ___________.

(v) The pattern for building protein molecules is stored in the ___________.

(vi) Anvil and stirrup are names of bones present in the ___________.

(vii) The front of the eye is covered with a tough transparent material called ___________.

(viii) The young plant inside a grain of wheat is called the ___________

(ix) In born behaviour that involve only one part of the body are called ___________

(x) The smallest branches of an artery lead into tiny blood vessels called ___________.

8. What are Exocrine glands? Give names of any four along with the name of their secretion.

[B]9. Which quantity do the following units measure:[/B]

(i) Volt
(ii) Coloumb
(iii) Walt
(iv) Ohm
(v) Mho
(vi) Ampere
(vii) Dyne
(viii) Celcius
(ix) Joule
(x) Calorie
[B]
10. Give scientific reasons (in not more than four lines each) for the following:[/B]

(i) Meat takes longer to cook on the mountains
(ii) Water remains cool in earthen pitchers
(iii) Ice and salt mixture is used as a freezing agent by manual ice cream makers.
(iv) It is not advisable to sleep under trees during the night.
(v) Greenhouse operators paint their glass roofs white in summer.

11. Which par/organ of the human body do the following belong:

(i) Eustachian tube
(ii) Cartilage
(iii) Auricle
(iv) Tendon
(v) Dendrites

12.Briefly describe the solar system. Name its members outlines the main characteristics of any two members.

[B]13. Fill in the blanks.[/B]

(i) Insulin is produced in the human body by the ___________. (Liver, Pancreas, Gallbladder)

(ii) In an animal cell protein is synthesized in the ___________. (Nucleus, Mitochondria, Ribosome)

(iii) Chemically finger nails are made up of ___________. (Carbohydrate, Protein, Minerals)

(iv) Muscle stiffness is a symptom caused by the disease ___________ (Polio, Tetanus, Rabies)

(v) Animals which obtain their food from dead organisms are called ___________. (Carnivores, Scavengers, Saprophytes)

(vi) ___________ is not affected by cooking. (Ascorbic acid, Thiamin, Riboflavin)

(vii) Rickets is caused by the deficiency of vitamin ___________. (A, D, K)

(viii) The number of chromosomes in the spermatozoa is ___________ (Twenty-two, twenty-three, Forty-six.

(ix) The fat in our food is digested by the enzymes ___________. (clipase, lactase, trypsin)

(x) The most abundant element in the human body is ___________. (Carbon, Hydrogen, Oxygen)


[B]14.[/B] Which of the following statements are false and which are true.

(i) Sound is a form of energy
(ii) A fraction of sunlight is refracted as it enters the earth’s atmosphere.
(iii) The energy possessed by a water fall is kinetic energy.
(iv) Rainbows are produced by the reflection of light through raindrops.
(v) Light switches in our homes are connected in parallel series.
(vi) Generators convert mechanical energy into electricity.
(vii) Modern incandescent bulbs contain filaments made of copper.
(viii) A steam engine cannot be powered by fossil fuels.
(ix) Nuclear energy is a cheap source of abundant electricity.
(x) Oil bulbs cleaner and is less damaging to the environment than coal as a fuel.
[B]
15.[/B] Match words of List A with those of List B

[B]A[/B]
Protein
Magnesium
Carotene
Bauxite
Haemitite
Casein
Pancreas
Quartz
Chlorofluorocarbon
[CENTER][LEFT]Urea


[B]B

[/B]Fat
Milk
Ozone
Nitrogen
Amino acid
Vitamin A
Aluminium
Chlorophyll
Iron
Silicon[LEFT]
[/LEFT]
[/LEFT]
[CENTER]
[/CENTER]
[/CENTER]

[CENTER][B]EVERYDAY SCIENCE PAPER 1998[/B]
[/CENTER]

[B]Note: Attempt TEN questions. All questions carry equal marks. [/B]

1. “[I]Earthquakes have helped a great deal in deciphering the internal structure of the earth[/I]”. Comment on this statement.

2. Discuss briefly the achievements of Muslims in the development of science. State the reasons of downfall of science in Muslim Society.

3. Discuss in detail the fission and fusion processes. Which one of thee processes in the source of solar energy?

4. Give a detailed description of global warming and its possible effects on life. What measures have been taken by various nations to tackle this problem?

5. Give chemical name of one Nitrogenous and one Phosphorus containing fertilizer. What is the role of Nitrogen, Phosphorous and Potash in the growth and development of various parts of a plant.

[B]6. Write short notes on the following:[/B]

(i) Conductor
(ii) Resistor
(iii) Semi-conductor
(iv) Thermistor
(v) Transistor

[B]7. Write short notes on five of the following:[/B]

(i) Antibody
(ii) Blood group
(iii) Carbon cycle
(iv) Nitrogen cycle
(v) Scavenger
(vi) Reaction time
(vii) Photosynthesis
(viii) Starfish

[B]8.Which of the following statements are true?[/B]

(i) Trout is a sea fish
(ii) Epiphytes is a plant that grows upon another plant.
(iii) Hepatitis is inflammation of membranes surrounding the brain.
(iv) Meningitis is the inflammation of liver.
(v) Equinox is the time when the sun appears vertically overhead at noon at the equator.
(vi) Drought is a long period of rain.
(vii) Joseph Aspdin is the inventor of cement.
(viii) Neurology is the science of nervous system.
(ix) Biochemistry is the application of statistics in the study of Biology.
(x) Aviculture is the science of the rearing of animals.

[B]9. Name the quantities which are measured by the following units.[/B]

(i) Newton
(ii) Joule
(iii) Watt
(iv) Volt
(v) Light year
(vi) Angstrom
(vii) Acre-foot
(viii) Becquerel
(ix) Hertz
(x) Cusec

[B]10. Match the cause of the disease:[/B]
[B]DISEASE[/B]
Rickets
Goiter
Typhoid
Merismis
Malaria

[B]CAUSE[/B]
Plasmodium
Protein deficiency
Iodine deficiency in diet
Salmonella typhosa
Deficiency of vitamin D


[B]11. What is the function of each of the following in a motor car:[/B]

(i) Gear box
(ii) Battery
(iii) Carburetor
(iv) Dynamo
(v) Radiator

[B]12. Explain the following[/B]

(i) Blood group
(ii) Short circuit
(iii) Short sight
(iv) International date line
(v) Plaster of Paris

[B]13. Answer the following[/B]

(i) Of what lead pencils are made of?
(ii) Why is one’s breath visible in cold but not in hot weather?
(iii) What is the chemical composition of diamond?
(iv) Name the vaccine that protects against tuberculosis.
(v) Name the disease of the liver that causes a patient to turn yellow.

[B] 14. Fill in the blanks[/B]

(i) ___________ is a hypothetical region of space having a gravitational pull so great that no matter or radiation can escape from it.

(ii) ___________ are used against mould and fungi.

(iii) The science which deals with heredity is known as ___________.

(iv) Insulin is used for the treatment of ___________.

(v) ___________ is the first space man.

(vi) ___________ is the farthest planet from the sun in Solar System.

(vii) The distance between the earth and the sun is called ___________.

(viii) The study of chemical processes of living organisms is called ___________.

(ix) The first computer virus invented by two Pakistani brothers is called the ___________.

(x) Severe efficiency of vitamin C results in ___________.


[B]15. Differentiate between any five of the following.[/B]

(i) Artery and vein
(ii) Hard water and soft water
(iii) E-mail and Snail mail
(iv) Apes and monkey
(v) Hydrostatics and hydrodynamics
(vi) Comet and meteor
(vii) Barrage and dam
(viii) Electron and hole
(ix) Isobars and isotopes
(x) Autopsy and biopsy.

[CENTER][CENTER][B][U]EVERYDAY SCIENCE PAPER 1999[/U][/B][/CENTER]
[/CENTER]

[B]Note: Attempt TEN questions. All questions carry equal marks. [/B]

[B]1.[/B] Discuss in brief, the contribution of Muslim scientists in the field of biological science.

[B]2. [/B]Describe, in precise statements, various instruments which are being used in exploring the universe.

[B]3.[/B] Explain the Solar System and the unifying characteristics which the Sun and its planets have.

[B]4. [/B]How the solar and lunar eclipses are caused?
[B]
5.[/B] What is Ozonoshpere? Discuss the human technologies which are causing its depletion. What ham to man this depletive state would cause?

[B]6.[/B] Describe the principle and make up of a Television.

[B]7.[/B] What is escape velocity? How the Satellite are launched and what are their uses?

[B]8.[/B] Explain Earthquakes and volcanoes. How volcanoes help in the formation of earth crust?

[B]9. [/B]How characters are transmitted from parents to offspring?

[B]10.[/B] Describe the function of kidneys in the human body.

[B]11. [/B]What are the deficiency effects of the following nutrients in the human body?

a) Iron
b) Iodine
c) Fluoride
d) Vitamin A
e) Vitamin D

[B]12. [/B]What are the constituents of human blood and their characteristics.?

[B]13. Differentiate between[/B]

a) Neuron and neutron
b) Meiosis and mitosis
c) Heavy water and hard water
d) Climate and weather
e) Isotopes and isobars
[B]
14. Fill in the blanks.[/B]

a) Plant cells manufacture their food due to the presence of ____________ (chlorophyll, vacuole, cell wall)

b) The mitochondria in a cell are the constituent of the ____________ (nucleus, cytoplasm, cell membrane)

c) Mitosis is a type of cell division wherein the number of chromosomes in the daughter cell is the ____________ (same, half, double)

d) Blood cells are of ____________ types (two, three, four)

e) The ____________ causes sunburn and suntan (ultraviolet rays, alpha particles, gama radiation)

[B]15. Which of the following statements are false or true. Write only true of false in the answer book. Do not reproduce the questions.[/B]

a) Xylem and Phloem are conducting tissues.

b) Carbohydrates are cheapest and most ready source of energy.

c) Enzymes are responsible for chemical digestion of food.

d) Plasma is the fluid part of the blood in which the cells are suspended.

e) Hemoglobin combines with oxygen and transport to different cells of the body.

f) Neutron is the negative charged particles in an atom.

g) Helium is the lightest gas.

h) Venus is the smallest planet of the solar system.

i) Image of an object is formed on the retina of the eye.

j) Barometer is used for measuring the current.

[B][COLOR="DarkGreen"]the unifying characteristics which the Sun and its planets have.[/COLOR][/B]
dear seniors kindly answer me that question I have found this nowhere . please tell me what would be its answer.
jazaka'ALLAH.

Thank you so much for this post.

thanks
 

thanks giving:phone

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