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Old Friday, March 13, 2009
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Default Lets solve EDS Past Papers

EVERYDAY SCIENCE PAPER 1991
All members are requested to take part heartily in these exercises.


11. Match the following pairs from list I & list II

List I List II
Kidney Frog
Proteins Antibody
Photosynthesis Hepatitis
Heredity Bleeding disease
Nuron Heart
Hemophilia Nerve cell
Pace Maker Chromosomes
Virus Plant
Antigen Amino acid
Amphibian Nephron

---------------------

The correct sequence is
List I List II
Kidney :Nephron
Proteins :Amino acid
Photosynthesis :Plant
Heredity : Chromosomes
Hemophilia :Bleeding disease
Nuron:Nerve cell
Pace Maker :Heart
Virus:Hepatitis
Antigen :Antibody
Amphibian : Frog


rgds

Last edited by Princess Royal; Friday, March 13, 2009 at 01:16 PM.
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Default Next Exercise

9. (a) Write response on the following
(i) The method by which men provides for his everyday needs and desires is called (Technology, Engineering, Versatility)
(ii) Of all the flying machines, man has made only (Balloon Jet Air Craft, Rockets) are suitable for space flight.
(iii) Transistors do not need a warm up period because they have no (Plate, Grid, Filament)
(iv) If an object gives off its own light, it is said to be (transparent, illuminated, luminous)
(v) An electric heater would be most likely to produce (X-rays, Ultra Violet, I R Radiations)

(b) Fill in the blanks
(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 any 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.

----------------------

In my opinion some of them are as

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

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

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

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

(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 _stones has smaller volume of material in it.

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

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

rgds

Last edited by Princess Royal; Friday, March 13, 2009 at 01:25 PM.
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Quote:
(iii) Transistors do not need a warm up period because they have no (Plate, Grid, Filament)
Filament

Quote:
(ii) In any 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.
Neutrons

Quote:
The type of radiation hat is unaffected by magnetic field is called __________ .
Alpha
.......................................
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Last edited by Princess Royal; Friday, March 13, 2009 at 03:18 PM.
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EVERYDAY SCIENCE PAPER 1991

14. (a) Name the organs responsible for the following functions present in either elements, plants or human.
(b) Fill in the blanks
(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.


rgds
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Quote:
(a) Name the organs responsible for the following functions present in either elements, plants or human.
Where is the list of functions?

Quote:
(b) Fill in the blanks
(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.
(i) less concentrated gradient

(ii) Infectious

(iii) Lignin

(iv) Hemoglobin

(v) Fats
__________________
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Last edited by Princess Royal; Friday, March 13, 2009 at 02:50 PM.
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(a) Name the organs responsible for the following functions present in either elements, plants or human.

a)vision
b)reproduction
c)hormone secretion
d)blood pumping
e)food storage

------------------

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

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

(ii) Diseases that spread through air are called Air born diseases disease.

Last edited by Princess Royal; Friday, March 13, 2009 at 10:51 PM.
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EVERYDAY SCIENCE PAPER 1992


3. 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.

4. Attempt any five of the following

(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

--------------------------

Answers

(a) Now there are 8 major and several dwarf 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 of air
(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


a)vision eye
b)reproduction Gonades
c)hormone secretion glands
d)blood pumping heart
e)food storage stem and stomach


correct me if i m wrong.

Last edited by Princess Royal; Friday, March 13, 2009 at 10:54 PM.
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  #8  
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EVERYDAY SCIENCE PAPER 1992

6. Where are the following animals found? Answer any five.
a) Kangaroo
b) Kiwi
c) Llama
d) Ibex
e) Panda
f) Snow Leopard
g) Penguin

7. Name the sources of any five of the following biological products.
a) Musk
b) Codeine
c) Cocaine
d) Quinine
e) Colchicines
f) Digilain

---------------------

Answers

6. Where are the following animals found? Answer any five.
a) Kangaroo:Australia
b) Kiwi: newzealand
c) Llama:South America
d) Ibex: Himalia,Abyssinia
e) Panda: north india
f) Snow Leopard: central asian mountains
g) Penguin: cooler waters and along the coastlines in southern hemisphere

7. Name the sources of any five of the following biological products.
a) Musk: abdominal gland of male musk deer
b) Codeine: from opium
c) Cocaine?
d) Quinine: bark of cinchona
e) Colchicines :from cholchium
f) Digilain: leaves from the purple foxglove; a plant

I am much disappointed of having very little response from members. Just take it fun, its interesting.

Last edited by Princess Royal; Friday, March 13, 2009 at 10:49 PM. Reason: That's not the right way to invite members. Avoid that tone.
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Old Saturday, March 14, 2009
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EVERYDAY SCIENCE PAPER 1992
9. Differentiate between any five of the following
Small pox and Measles
a) DNA and RNA
b) Alloy and Amalgam
c) Blood and Lymph
d) Stars and Planets
e) Gas and Vapour
f) Brass and Bronze


Answers

RNA& DNA
RNA
IT IS SINGLE STRANDED MOLICULE
Contains Ribose suger
contains adanine, guanine ,cytosine, & uracil bases
generally located in cytoplasm
is of three kinds

DNA
double stranded
deoxyribose
contains adanine, guanine cytosine and thymine bases
is of one kind


Alloy, substance composed of two or more metals. Alloys, like pure metals, possess metallic luster and conduct heat and electricity well, although not generally as well as do the pure metals of which they are formed. Compounds that contain both a metal or metals and certain nonmetals, particularly those containing carbon, are also called alloys. The most important of these is steel. Simple carbon steels consist of about 0.5 percent manganese and up to 0.8 percent carbon, with the remaining material being iron.

Amalgam:
Amalgam is an alloy of mercury with one or more metals.

Brass and Bronze
Brass: an alloy of copper and zinc
Bronz:an alloy of copper and tin

e) Gas and Vapour
The terms vapor and gas can be used interchangeably, although in practice, vapor is used for a substance that is normally in liquid or solid state, such as water, benzene, and iodine. It has been proposed that the use of the term vapor be restricted to a gaseous substance below its critical point; the temperature at which it may be liquefied by the application of sufficient pressure) and the term gas should be used above the critical temperature when the existence of the substance in the liquid or solid state is impossible. This usage is essentially arbitrary because all gaseous substances follow a similar behavior both above and below the critical point

STARS

Heavenly bodies that shine by its own light and remains relatively fixed in position among the other bodies in the universe.light and energy is generated in a star by the conversion of hydrogen into helium.

Planet:
opaque bodies revolving around the sun in its own orbit & also rotating on its own axis, shines by reflection of the light of other stars( such as sun).

Last edited by Zirwaan Khan; Saturday, March 14, 2009 at 07:53 PM.
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Old Saturday, March 14, 2009
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@dr.Atif


After posting the questions you should wait for a day atleast before you put the answers so that the interested candidates are able enough to take part.It would be more systematic and organised.Between keep up the commendable work
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