Science Mcqs

11. The Sun is a __________.
1. Star
2. Planet
3. Asteroid
4. Meteor


12. The average adult has a blood volume of about __________ liters.
1. 4
2. 5
3. 6
4. 7


13. The most abundant element in the universe is __________.
1. Oxygen
2. Hydrogen
3. Carbon Dioxide
4. Silicon


14. The most abundant element in the Earth's crust is __________.
1. Oxygen
2. Hydrogen
3. Carbon Dioxide
4. Silicon


15. Each day human body breathe in __________ liters of air.
1. 5,000 to 10,000
2. 10,000 to 15,000
3. 15,000 to 20,000
4. 20,000 to 25,000


16. Deficiency of Vitamin-D results in __________.
1. night blindness
2. rickets
3. scurvy
4. hair fall


17. The SI unit of "pressure" is _________.
1. pascal
2. joule
3. tesla
4. henry


18. The most densest substance on the Earth is __________.
1. Platinum
2. Copper
3. Steel
4. Osmium


19. A camera uses a __________ to form an image.
1. convex lens
2. concave lens
3. condenser lens
4. none of these


20. Which from the following is NOT a conductor?
1. Aluminium
2. Silicon
3. Graphite
4. All are conductors

ANSWERS: SCIENCE MCQs

11. A
12. B
13. B
14. A
15. C
16. B
17. A
18. D
19. A
20. D