36. The path along which electric current flows is called
(A) Electric circuit
(B) electric resistance
(C) Electric potential difference
(D) None of these
Answer:
Explanation:
——————————————————————————–
37. A device used for measuring atmospheric pressure is called
(A) Barometer
(B) Hydrometer
(C) Thermometer
(D) None of these
Answer:
Explanation:
——————————————————————————–
38. Which of the following helps in the digestion of food
(A) Nutrition
(B) Hormones
(C) Enzymes
(D) Saliva
Answer:
Explanation:
——————————————————————————–
39. Which of the following is inexhaustible
(A) Wind
(B) Petroleum
(C) Minerals
(D) Coal
Answer:
Explanation:
——————————————————————————–
40. Malaria is caused by
(A) Mosquito’s bite
(B) Anopheles mosquito
(C) Plasmodium
(D) None of these
Answer:
Explanation: