1. If we add all the 7 colors of rainbow (red, yellow, blue, green, orange, violet and indigo), the resultant color would be?
(A) White
(B) Black
(C) Maroon
(D) Dark Blue

2. When white light passes through a prism, it splits into ________ colors.
(A) 3
(B) 5
(C) 7
(D) 9

3. A camera uses a ________ to form an image on a piece of film at the back.
(A) convex lens
(B) concave lens
(C) diverging lens
(D) none of these

4. Short-sight defect could be corrected by a
(A) convex lens
(B) concave lens
(C) converging lens
(D) none of these

5. In humans, heart functions as a source of
(A) battery
(B) charge
(C) electric generator
(D) electromotive force

6. Ozone layer protects the Earth from __________ radiations from the Sun.
(A) microwaves
(B) infrared
(C) X-rays
(D) ultraviolet

7. The distance of Moon from the Earth is __________ km.
(A) 364,000
(B) 384,000
(C) 464,000
(D) 484,000

8. There are __________ planets in orbit around the Sun.
(A) 6
(B) 7
(C) 8
(D) 9

9. Planets are kept in orbit by the?
(A) Attraction among the Planets
(B) Attraction among the Planets and the Sun
(C) Radiations from the Sun
(D) Gravitational pull of the Sun

10. Which from the following is NOT a Renewable Energy?
(A) Geothermal
(B) Solar
(C) Nuclear
(D) Bio-fuels