36. The intensity of an earthquake is measured by
(A) Seismograph
(B) Anemometer
(C) Speedometer
(D) Kilometer
Answer:
Explanation:
——————————————————————————–
37. The biggest bone of our body is called
(A) Vertebra
(B) Ribs
(C) Femur
(D) None of these
Answer:
Explanation:
——————————————————————————–
38. We use grease in bicycle wheel to
(A) reduce friction
(B) increase speed
(C) increase friction
(D) None of these
Answer:
Explanation:
——————————————————————————–
39. The air we breathe out contains
(A) Nitrogen
(B) Carbon dioxide
(C) Oxygen
(D) Carbon monoxide
Answer:
Explanation:
——————————————————————————–
40. Which of the following animals lays eggs?
(A) Rat
(B) Tiger
(C) Snake
(D) Fox
Answer:
Explanation:
