science mcq #1
1. Which of the following is not a part of the solar system?
(a) Sun
(b) Moon
(c) Asteroids
(d) Pluto
2. Which of the following is the smallest bone in the human body?
(a) Stapes
(b) Incus
(c) Malleus
(d) Fibula
3. Which of the following is the hardest substance in the human body?
(a) Enamel
(b) Bone
(c) Hair
(d) Teeth
4. Which of the following is the most abundant element in the Earth’s crust?
(a) Oxygen
(b) Silicon
(c) Aluminum
(d) Iron
5. Which of the following is the fastest mode of transportation?
(a) Light
(b) Sound
(c) Electricity
(d) Radio waves
6. Which of the following is the most abundant gas in the atmosphere?
(a) Nitrogen
(b) Oxygen
(c) Carbon dioxide
(d) Argon
7. Which of the following is the most important factor for photosynthesis?
(a) Water
(b) Carbon dioxide
(c) Sunlight
(d) Chlorophyll
8. Which of the following is the most common type of rock on Earth?
(a) Igneous
(b) Sedimentary
(c) Metamorphic
(d) None of these
9. Which of the following is the largest ocean in the world?
(a) Pacific Ocean
(b) Atlantic Ocean
(c) Indian Ocean
(d) Arctic Ocean
10. Which of the following is the largest planet in the solar system?
(a) Jupiter
(b) Saturn
(c) Neptune
(d) Uranus
Answer:.
1. (d) Pluto
2. (a) Stapes
3.(a) Enamel
4. (a) Oxygen
(a) Light
(a) Nitrogen
7.(c) Sunlight
8.(b) Sedimentary
(a) Pacific Ocean
1O. (a) Jupiter
See Also
VISIT MORE TOPICS UPSC RELATED