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1. A body weighs 10 kgs on the equator. At the poles, it is likely to weigh

A

10 kgs

B

Less than 10 kgs

C

More than 10 kgs

D

0 kgs

2. The speed of sound is slowest in:

A

Solids

B

Liquids

C

Gases

D

Vacum

3. When Vapours of a substance are cooled and changes into liquid, it is called:

A

Conduction

B

Condensation

C

Convection

D

Evaporation

4. An Instrument used to measure gas pressure is called:

A

Ammeter

B

Barometer

C

Galvanometer

D

Manometer

5. If we add salt to the pure water, its boiling point will

A

Increase

B

Decrease

C

Remain same

D

None of these

6. The S I unit of Heat is:

A

Joule

B

Ohm

C

volt

D

Newton

7. A Transistor is a semiconductor device with at least..........terminals.

A

2

B

3

C

4

D

5

8. All electromagnetic radiations travel through vaccum with the speed:

A

Equal the speed of Light

B

Less than the speed of Light

C

Greater than the speed of Light

D

A or B

9. The most abundant element in the Universe is:

A

Hydrogen

B

Oxygen

C

Carbon Dioxide

D

Silicon

10. The substance which increases the the rate of Chemical reaction is:

A

Metal

B

Catalyst

C

Alloy

D

Enzymes

11. The Average human body contains about ..............gram of sodium chloride:

A

190

B

210

C

230

D

250

12. pH is an abbreviation for:

A

Power of Hydrogen

B

Possibility of Hydrogen

C

Population of Hydrogen

D

Position of Hydrogen

13. The blister form of copper is the ............form:

A

Impure

B

Raw

C

Pure

D

Refined

14. Vitamin A is soluble in:

A

Water

B

Fats

C

Both A and B

D

None of these

15. Vitamin B is soluble in:

A

Water

B

Fats

C

Bomb

D

None of these

16. Severe deficiency of Vitamin D results in:

A

Scurvy

B

Rickets

C

Night Blindness

D

Beri Beri

17. People living in high altitudes (like mountains) usually have a:

A

Smaller number of Red Blood Cells

B

Larger number of Red Blood Cells

C

Smaller number of White Blood Cells

D

Larger number of White Blood Cells

18. The average adult has a blood volume of about ..........litres?

A

5

B

7

C

6

D

6.5

19. Name of a bacterial disease with oral manifestation is:

A

Measles

B

Chicken Pox

C

Beri Beri

D

Diphtheria

20. Rigidity of facial muscles , Rictus grin is associated with:

A

Leprosey

B

Tetany

C

Tetanus

D

Actinomycosis