66. The good sources of Vitamin-C are
(A) green leafy vegetables
(B) seeds
(C) fresh vegetables and fruits
(D) sea foods
The answer is: (C) fresh vegetables and fruits ☑
67. The good sources of iodine are
(A) green leafy vegetables
(B) seeds
(C) fresh vegetables and fruits
(D) sea foods
The answer is: (D) sea foods ☑
68. The gas, commonly known as “laughing gas”, is
(A) Carbon Dioxide
(B) Sulfur Dioxide
(C) Nitrous Oxide
(D) Sodium Oxide
The answer is: (C) Nitrous Oxide ☑
69. The source of oxygen in photosynthesis is
(A) water
(B) salts
(C) minerals
(D) glucose
The answer is: (A) water ☑
70. The instrument used to measure wind speed is
(A) Anemometer
(B) Barometer
(C) Hydrometer
(D) Hygrometer
The answer is: (A) Anemometer ☑