Everyday Science Test 32

Total Questions: 28

1 - Air is completely removed from an electric bulb to prevent

A ) Oxidation of tungsten filament ✅
B ) Bursting of the bulb
C ) Loss of light due to absorption
D ) None of these

2 - A person climbing a hill bends forward in order to

A ) Avoid sleeping
B ) Increase speed
C ) Reduce fatigue
D ) Increase stability ✅

3 - On earth a moving body ordinarily comes to rest by itself because of the

A ) Law of inertia
B ) Forces of friction ✅
C ) Conservation of momentum
D ) Gravity

4 - Human body converts chemical potential energy of food into

A ) Kinetic energy
B ) Light energy
C ) Nuclear energy
D ) Heat energy ✅

5 - Electrochemical energy is required for the working of

A ) Circulatory system
B ) Nervous system ✅
C ) Excretory system
D ) Digestive system

6 - The energy stored in the fossils fuel is

A ) Chemical energy ✅
B ) Heat energy
C ) Electrical energy
D ) Elastic potential energy

7 - Energy of a body due to its motion is called

A ) Heat energy
B ) Kinetic energy ✅
C ) Potential energy
D ) Light energy

8 - A semiconductor is also used as

A ) Capacitor
B ) Transformer
C ) Electronic motor
D ) Rectifier ✅

9 - Radio waves are

A ) Sound waves
B ) Electromagnetic waves ✅
C ) Water waves
D ) Heat waves

10 - In a hydrogen bomb, hydrogen is converted into?

A ) Barium
B ) Uranium
C ) Uranium_238
D ) Helium ✅

11 - Gase can be compressed to a greater extent because

A ) Molecules are elastic
B ) There is no gap between molecules
C ) These are lighter than liquids
D ) There is a large space between the molecules ✅

12 - The first synthetic fiber made by man was.

A ) Rayon
B ) Nylon ✅
C ) Polyester
D ) Terrycott

13 - Smoke is an example of?

A ) Gas dispersed in liquid
B ) Gas dispersed in solid
C ) Solid dispersed in gas ✅
D ) Solid dispersed in solid

14 - Dialysis is used for people with defective kidneys. It involves the process of

A ) Adsorption
B ) Osmosis ✅
C ) Electrophoresis
D ) Diffusion

16 - Atomic weight of uranium is

A ) 237
B ) 238 ✅
C ) 226
D ) 242

17 - Which of the following is incorrect

A ) Hg
B ) Ag
C ) Na
D ) Ka ✅

18 - Which of the following is not a natural occuring element?

A ) Uranium
B ) Thorium
C ) Californium ✅
D ) Neptunium

19 - A man weighing 96kg consists of approximately liters of water

A ) 50 litters
B ) 66.5 litters ✅
C ) 82 litters
D ) 42 litters

20 - What does blood consists of

A ) 60% plasma, 40% crop ✅
B ) 65% plasma, 40% crop
C ) 62% plasma, 40% crop
D ) 68% plasma, 45% crop

21 - Hypatitis is a disease of which of the following organ?

A ) Liver ✅
B ) Heart
C ) Brain
D ) None of these

22 - What is the main purpose of white blood corpuscle?

A ) To carry nutrients
B ) To combat infection ✅
C ) To carry oxygen
D ) To give strength

23 - Total volume of blood in a normal human beings is

A ) 5_6 liters ✅
B ) 3_4 litres
C ) 8_10 liters
D ) 10_12 liters

24 - Red blood corpuscles are formed in the

A ) Liver
B ) Bone marrow ✅
C ) Kidneys
D ) Heart

25 - Blood does not coagulate inside the blood to the presence of

A ) Fibrin
B ) Heparin ✅
C ) Haemoglobin
D ) Plasma

26 - Lungs are situated in the

A ) Abdominal cavity
B ) Buccal cavity
C ) Pericardial cavity
D ) Thoracic cavity ✅

28 - The pancreas secretes

A ) Insulin ✅
B ) Vitamin A
C ) Bile juice
D ) None of these