Everyday Science Test 31

Total Questions: 29

1 - The energy stored in a stretched spring is

A ) Potential energy
B ) Kinetic energy
C ) Heat energy
D ) Elastic potential energy ✅

2 - In cells chemical energy is transformed into

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

3 - A. C voltage is

A ) Chemical quantity
B ) Digital quantity
C ) Analog quantity ✅
D ) Mathematical quantity

4 - The device which converts analogue signal to digital signals is called

A ) Transformer
B ) CPU
C ) Modem ✅
D ) Photodiode

5 - For making laser, usually we use

A ) Uranium
B ) Ruby ✅
C ) Magnesium
D ) Iron

6 - Argon laser is used for operating the

A ) Eye cancer
B ) Glaucoma ✅
C ) Kidney stone
D ) Bone disease

7 - On passing through food stuff, x-ray can kill the

A ) Fungus
B ) Virus
C ) Bacterials ✅
D ) Insects

9 - Electromagnetic waves travel with the

A ) Speed of light ✅
B ) Speed of sound
C ) Speed of earth rotation
D ) Speed of sun rotation

10 - Sound travels faster in

A ) Dry air than in water
B ) Wood than in iron
C ) Iron than in air ✅
D ) Hydrogen than in water

11 - Which of the following is not belong to the halogen family

A ) Chlorine
B ) Flourine
C ) Bromine
D ) Morphine ✅

12 - Which of the following is present in hard water?

A ) Calcium ✅
B ) Aluminum
C ) Sodium
D ) Chlorine

14 - What is the chemical name of bleaching powder?

A ) Calcium carbonate
B ) Calcium hypochlorite ✅
C ) Calcium phosphate
D ) Calcium cyanamide

15 - Which of the following is mixture?

A ) Gun powder ✅
B ) Iron sulphate
C ) Brass
D ) Dry ice

16 - Which of the following is the hardest element?

A ) Copper
B ) Diamond ✅
C ) Iron
D ) Silicon

17 - Which of the following is a source of common salt?

A ) Bauxite
B ) Halite ✅
C ) Pyrite
D ) Calcite

18 - The characteristic odour of garlic is due to

A ) A chloro compound
B ) A sulphur compound ✅
C ) A flourine compound
D ) Acetic acid

19 - Which of the following is gas in air unites with many metals?

A ) Hydrogen
B ) Oxygen ✅
C ) Helium
D ) Carbon dioxide

20 - The seat of memory in the human brain is located in the

A ) Medulla oblongata
B ) Cerebrum
C ) Cortex ✅
D ) Cerebellum

21 - What type of infection is tuberculosis?

A ) Viral
B ) Bacterials ✅
C ) Fungal
D ) None of these

22 - What is the disease partussis commonly known as?

A ) Whooping cough ✅
B ) Cholera
C ) Hepatitis
D ) None of these

23 - The decreased secretion of insulin causes?

A ) Diabetes ✅
B ) Beri Beri
C ) Rickets
D ) None of these

24 - AIDS virus is called

A ) HIV ✅
B ) AIB
C ) VIV
D ) None of these

25 - Iron deficiency causes

A ) Amaemia ✅
B ) AIDS
C ) Cholera
D ) None of these

26 - Which of the following is caused by bacterial infection?

A ) Tetanus ✅
B ) Cancer
C ) Malaria
D ) None of these

27 - A vegetable containing sulphur is

A ) Potato
B ) Cabbage ✅
C ) Brinjal
D ) Pumpkin

28 - The shortest bone in the human body is

A ) Vertebrae
B ) Stapes ✅
C ) Phalanges
D ) Metacarpals

29 - A balanced diet contains

A ) Animal protein
B ) Macro and micro nutrients
C ) Food nutrients for growth and maintenance ✅
D ) Butter and ghee