156: The two branches of a plant give two different fruits :- tomatoes and brinjals. This can be explained:
(a) By nature's freak
(b) By grafting one with the other
(c) By hybridisation
(d) Both A and B
157: The pituitary gland by virtue of its tropic hormones controls the secretory activity of other endocrine glands. Which one of the following endocrine glands can function independent of the pituitary gland ?
(a) Thyroid
(b) Gonads
(c) Adrenals
(d) Parathyroid
158: A grocer bought 10 kg of apples for Rs. 81 out of which one kg was found rotten. If he wishes to make a profit of 10%, at what rate per kg. he should sell it?
(a) Rs. 9.00
(b) Rs. 9.90
(c) Rs. 10.10
(d) Rs. 10.20
159: Assertion (A):
Anti-cyclonic conditions are formed in winter season when atmospheric pressure is high and air temperatures are low.
Reason (R):
Winter rainfall in Northern India causes development of anticyclonic conditions with low temperatures.
(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 a correct explanation of A
(c) A is true, but R is false
(d) A is fasle, but R is true
160: Which one of the following is the most significant contribution of Sardar Vallabhbhai Patel to modern India ?
(a) His participation in the Quit India Movement
(b) His role in the Non-Cooperation Movement
(c) His achievement of the integration of princely states
(d) His Presidentship of the Indian National Congress