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.


1. 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.

2. Define any FIVE of the following scientific terms.

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

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

4. Fill in the blanks.

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 _________.


5. What is composition of blood? Describe six main functions of blood.

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

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

7. 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

8. 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.

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

10. 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.

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

12. Differentiate between the following.

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

13. How do our domestic and industrial activities pollute water? Explain with reference to two important industries of Pakistan.

14. Fill in the blanks with the correct choice.

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)

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

A

Einstein
Roentgen
Charles Darwin
Chadwick
Mendel B

Neutron
Laws of heredity
X-Rays
Theory of evolution
Mass energy conversion equation

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.

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.

2. Fill in the blanks with the correct choice.

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)

3. Define any five of the following terms.

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?

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

12. Briefly describe the principle and function of a camera. Mention its essential parts along with brief comparison with an eye.

13. Explain briefly, the formation of day and night. How do seasonal variations occur on our earth?

14. Differentiate between any five of the following

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

15. Fill in the blanks

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 ______________.

__________________
The Me you have always known, the Me that's a stranger still.

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.

1. Discuss the role and achievements of Muslim physicists during the 10th century.

2. Explain the structure of Earth and its atmosphere.

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

4. What are pesticides? Discuss their classification, commonly in use with agronomists.

5. What is the difference between

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

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

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

7. Fill in the blanks

(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.

9. Which quantity do the following units measure:

(i) Volt
(ii) Coloumb
(iii) Walt
(iv) Ohm
(v) Mho
(vi) Ampere
(vii) Dyne
(viii) Celcius
(ix) Joule
(x) Calorie

10. Give scientific reasons (in not more than four lines each) for the following:

(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.

13. Fill in the blanks.

(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)


14. 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.

15. Match words of List A with those of List B

A
Protein
Magnesium
Carotene
Bauxite
Haemitite
Casein
Pancreas
Quartz
Chlorofluorocarbon

__________________
The Me you have always known, the Me that's a stranger still.

Note: Attempt TEN questions. All questions carry equal marks.

1. “Earthquakes have helped a great deal in deciphering the internal structure of the earth”. 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.

6. Write short notes on the following:

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

7. Write short notes on five of the following:

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

8.Which of the following statements are true?

(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.

9. Name the quantities which are measured by the following units.

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

10. Match the cause of the disease:
DISEASE
Rickets
Goiter
Typhoid
Merismis
Malaria

CAUSE
Plasmodium
Protein deficiency
Iodine deficiency in diet
Salmonella typhosa
Deficiency of vitamin D


11. What is the function of each of the following in a motor car:

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

12. Explain the following

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

13. Answer the following

(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.

14. Fill in the blanks

(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 ___________.


15. Differentiate between any five of the following.

(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.

__________________
The Me you have always known, the Me that's a stranger still.

Note: Attempt TEN questions. All questions carry equal marks.

1. Discuss in brief, the contribution of Muslim scientists in the field of biological science.

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

3. Explain the Solar System and the unifying characteristics which the Sun and its planets have.

4. How the solar and lunar eclipses are caused?

5. What is Ozonoshpere? Discuss the human technologies which are causing its depletion. What ham to man this depletive state would cause?

6. Describe the principle and make up of a Television.

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

8. Explain Earthquakes and volcanoes. How volcanoes help in the formation of earth crust?

9. How characters are transmitted from parents to offspring?

10. Describe the function of kidneys in the human body.

11. 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

12. What are the constituents of human blood and their characteristics.?

13. Differentiate between

a) Neuron and neutron
b) Meiosis and mitosis
c) Heavy water and hard water
d) Climate and weather
e) Isotopes and isobars

14. Fill in the blanks.

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)

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

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.

__________________
The Me you have always known, the Me that's a stranger still.

the unifying characteristics which the Sun and its planets have.
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.

__________________
Ye sab tmhara karam hai AAQA k bat ab tak bani hoi hai
May is karam k kahan ti kabil ye HAZOOR ki band parvari hai

thanks giving

Halloween

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Mandela

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