General Science-120

      1.       Who invented the gravitation law?

a.       Einstein

b.      Dalton

c.       Faraday

d.      Newton

     2.       What does audiometer measure?

a.       Altitude

b.      Atmospheric pressure

c.       Movement of heart

d.      Intensity of sound

     3.       Who invented telephone?

a.       Samuel Morse

b.      Alexander Graham Bell

c.       Marconi

d.      Pascal

General Science-119

  1.      The earth rotates around its axis from:

a.       North to south               

b.      East to west

c.       South to north    

d.      West to east

  2.      The mean radius of the earth is approximately:

a.       3200 km

b.      6400 km

c.       9600 km

d.      12800 km

  3.      The earth is at the least distance from the sun (Perihelion) on: 

a.       December 22nd 

b.      January 3rd

c.       July 4^th

d.      June 21^st

  4.      The earth is at the largest distance from the sun (Apehelion) on: 

a.       June 21st   

b.      January 3^rd

c.       July 4th

d.      September 23rd

General Science-118

  1.     An eye defect which usually results from an unequal curvature of the cornea is:

a.     Nearsightedness

b.    Astigmatism

c.     colour blindness

d.    night blindness

  2.     The velocity of sound in air (under normal conditions) is:

a.     30 m / sec

b.    320 m / sec

c.     332 m / sec

d.    3,320 m / sec

   

  3.     A photo-electric cell converts:

a.      sound energy into electrical energy

b.    light energy into electrical energy

c.     an electrical signal into sound waves

d.    electrical energy into light energy

  4.     Which of the following sounds cannot be heard by human ear?

a.     300 vibrations / sec

b.    1,000 vibrations / sec

c.     10,000 vibrations / sec

d.    30,000 vibrations / sec

  5.     Exposure to sunlight helps a person improve his health because:

a.     the infra-red light kills bacteria in the body    

b.    resistance power increases

c.     the pigment cells in the skin get stimulated and produce a healthy tan

d.    the ultraviolet rays convert skin oil into Vitamin D

General Science-120

  1.     Which of the following vitamins is helpful for coagulation of blood?

a.     C

b.    D

c.     E

d.    K

  2.     For purifying drinking water, alum is used:

a.     for coagulation of mud particles

b.    to kill bacteria

c.     to remove salts

d.    to remove gases

  

  3.     A weather balloon is not fully inflated on the ground because:

a.     if the balloon is fully inflated, it may not remain stable in a storm

b.    the air inside the balloon expands as it rises and may burst

c.     it cannot withstand the outside pressure if fully inflated

d.    None of these

   

  4.     Vitamin B12 is most useful for combating:

a.     Anaemia

b.    Goiter

c.     Night blindness

d.    Rickets

  5.     A transistor is most likely to be found in a:

a.     Fuse

b.    fluorescent lamp

c.     hearing aid

d.    wrist watch

General Science-119

  1.     The life history of human malarial parasite in Anopheles was first described by:

a.     Patrick Manson

b.    Laveran

c.     Ronald Ross

d.    Richard Peiffer

  2.     Which of the following is based on the process of fusion?

a.     Atom bomb

b.    Hydrogen bomb

c.     Ordinary bomb

d.    Napalm bomb

  3.     Hybridization is:

a.     downward movement of water through soil

b.    a process of tilling the land

c.     decayed vegetable matter

d.    cross-fertilization between two varieties

  4.     Of the following foods, which one is the best source of protein?

a.     Butter

b.    Fish

c.     Lettuce

d.    Milk

General Science-117

  1.     Which of the following vitamins is stored in the liver?

a.     Vitamin A

b.    Vitamin C

c.     Vitamin E

d.    Vitamin K

  2.     Which of the following is needed by a person suffering from diabetes?

a.     Antibiotics

b.    Insulin

c.     Penicillin

d.    Streptomycin

  3.     An element common to all acids is:

a.     Oxygen

b.    Hydrogen

c.     Sulphur

d.    Chlorine

  4.     Which of the following statements relating to sound and light is true?

a.     Light is a form of kinetic energy, whereas sound is a form of potential energy.

b.    Light can be reflected but sound cannot be.

c.     Light travels faster in air than sound does.

d.    Sound travels in waves but light does not.

General Science-116

1.     If force is expressed in Newton and the distance in meter, then the work done is expressed in:

a.     Joule

b.    Kg wt

c.     Kg wt m

d.    Watt

2.     The Law of Natural Selection is associated with:

a.     Dalton

b.    Darwin

c.     Kepler

d.    Mendel

3.     When cream is separated from milk:

a.     the density of milk increases

b.    the density of milk decreases

c.     the density of milk remains unchanged

d.    it becomes more viscous

4.     The element of an electric stove is made of:

a.     Copper

b.    Aluminium

c.     Magnalium

d.    Nicrome

5.     The red blood cells are formed in the:

a.     Heart

b.    Liver

c.     Lymph nodes

d.    Bone marrow

General Science-115

          1.       Biological Oxygen Demand (BOD) is used as a standard measure of________.

a.       Oxygen level in forest system

b.      Oxygen level in animals

c.       Oxygen level in water system

d.      Oxygen level in atmosphere

           2.       An ordinary tubelight used for lighting purposes contains:

a.       fluorescent material and an inert gas

b.      one filament, reflective material and mercury vapour

c.       fluorescent material and mercury vapour

d.      two filaments, fluorescent material and mercury vapour

            3.       In atom no two electrons have all the four quantum numbers identical. This is known as:

a.       Paulis Exclusion Principle

b.      Hunds Rule

c.       Aufbau Principle

d.      Avogadros Law

            4.       Joule is the unit of:

a.       Temperature pressure

b.      Energy

c.       Heat

d.      Force

General Science-114

1.       When a gas turns into a liquid, the process is called

a.       Condensation

b.      Evaporation

c.       Deposition

d.      Sublimation

            2.       Which of the following elements is a metal?

a.       S

b.      Se

c.       I

d.      Ga

            3.       Oranges are rich source of

a.       Carbohydrates

b.      Fats

c.       Proteins

d.      Vitamins

             4.       Most plant and animal cells are similar in some respects since they both have in common

a.       Cytoplasm and cellulose

b.      Cytoplasm and contractile vacuole

c.       Cytoplasm and nucleus

d.      Membrane and cell wall