2531: What would happen if phytoplankton of an ocean is completely destroyed for some reason?
1. The ocean as a carbon sink would be adversely affected.
2. The food chains in the ocean would be adversely affected.
3. The density of ocean water would drastically decrease.
Select the correct answer using the codes given below :
(a) 1 and 2 only
(b) 2 only
(c) 3 only
(d) 1, 2 and 3
2532: India maintained its early cultural contacts and trade links with Southeast Asia across the Bay of Bengal. For this pre-eminence of early maritime history of Bay of Bengal, which of the following could be the most convincing explanation/explanations?
(a) As compared to other countries, India had a better ship building technology in ancient and medieval times
(b) The rulers of southern India always patronized traders, brahmin priests and buddhist monks in this context
(c) Monsoon winds across the Bay of Bengal facilitated sea voyages
(d) Both (a) and (b) are convincing explanations in this context
2533: Which one of the following pairs of folk dance forms and states is not correctly matched ?
(a) Korku : Maharashtra
(b) Jhummar : Haryana
(c) Thali : Himachal Pradesh
(d) Mukna : Manipur
2534: There are two places P and Q. The longitudes of P and Q are 45° E and 60°W respectively. What will be the difference in their local times:
(a) 7 hours
(b) 6 hours
(c) 3.5 hours
(d) Both places will have the same local time
2535: Consider the following pairs : Region Well-known for the production of
1. Kinnaur : Area nut
2. Mewat : Mango
3. Coromandel : Soya bean
Which of the above pairs is/are correctly matched ?
(a) 1 and 2 only
(b) 3 only
(c) 1, 2 and 3
(d) None