81: Civil Disobedience Movement was suspended in 1921 because:
(a) Violence broke out at Chauri Chaura
(b) Gandhiji was arrested for five years
(c) Government accepted the demands of Indian leaders
(d) People were not supporting this movement
82: 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
83: Nobel Prize winning scientist James D. Watson is known for his work in which area ?
(a) Metallurgy
(b) Genetics
(c) Environmental protection
(d) Meteorology
84: What type of mirror is used by motorists to see the road behind them?
(a) Convex
(b) Concave
(c) Plane
(d) Concavo-convex
85: Recently, for the first time in our country, which of the following States has declared a particular butterfly as 'State Butterfly'?
(a) Arunachal Pradesh
(b) Himachal Pradesh
(c) Karnataka
(d) Maharashtra