156: Which substance is commonly used in refrigerators?
(a) Freon
(b) Oxygen
(c) Ammonia
(d) Sulphur dioxide
157: Which of the following crops is a tropical monsoon crop?
(a) Rice
(b) Wheat
(c) Ragi
(d) Jowar
158: Assertion (A):
In the periodic table of chemical elements, electron affinity is always found to increase from top to bottom in a group.
Reason (R):
In a group, the atomic radial generally increase from top to bottom.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
159: Which one of the following Indian leaders was dismissed by the British from the Indian Civil Service ?
(a) Satyendranath Tagore
(b) Surendranath Banerji
(c) R. C. Dutt
(d) Subhash Chandra Bose
160: Which one of the following pairs of famous sayings and their sources is correctly matched?
(a) Vasudhaiva Kutumbhakam : Artha Sastra
(b) Yogakshemam vahamyaham : Rig Veda
(c) Satyamevajayate : Mundaka Upanishad
(d) Satyam Shivam Sundaram : Bhagavat Gita