186: Water hyacinth is related to:
(a) Lemna
(b) Pistia
(c) Eichhornia
(d) None of these
187: The script of Indus Valley civilisation was:
(a) Persian
(b) Dravidian
(c) Sanskrit
(d) Undeciphered
188: Consider the following events:
1. Fourth general elections in India
2. Formation of Haryana State
3. Mysore named as Karnataka State
4. Meghalaya and Tripura become full States
Which one of the following is the correct chronological order of the above?
(a) 2-1-4-3
(b) 4-3-2-1
(c) 2-3-4-1
(d) 4-1-2-3
189: The winter rain in Madras is caused by:
(a) South-West Monsoons
(b) North-East Monsoons
(c) Intense land and sea breezes
(d) Cyclonic winds in the Bay of Bengal
190: Which one of the following was a corporation of merchants in ancient India ?
(a) Chaturvedimangalam
(b) Parishad
(c) Ashtadikgaja
(d) Manigrama