1.Each day human body breathe in __________ liters of air.

A. 5,000 to 10,000
B. 10,000 to 15,000
C. 15,000 to 20,000
D. 20,000 to 25,000

2. Deficiency of Vitamin-D results in __________?

A. night blindness
B. rickets
C. scurvy
D. hair fall

3. The SI unit of “pressure” is _________.

A. Pascal
B. joule
C. tesla
D. henry

4. The most densest substance on the Earth is __________.

A. Platinum
B. Copper
C. Steel
D. Osmium

5. A camera uses a __________ to form an image.

A. Convex lens
B. concave lens
C. condenser lens
D. none of these

6. Which is the outermost planet in the solar system?

A. Mercury
B. Pluto
C. Neptune
D. Uranus

7. Severe deficiency of Vitamin D results in __________.

A. scurvy
B. rickets
C. night blindness
D. osteomalacia

8. The SI unit of charge is __________?

A. Ampere
B. Coulomb
C. Ohm
D. Volt

9. Long-sight defect could be corrected by using __________ lens?

A. concave
B. Convex
C. diverging
D. none of these

10. Deficiency of Vitamin-A results in __________?

A. Night Blindness
B. rickets
C. scurvy
D. hair fall

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