1596: Which one among the following is not a good source of nutritional calcium?

(a) Egg
(b) Skimmed milk
(c) Ragi
(d) Rice
1597: Galvanised iron sheets are protected from rusting due to the presence of a layer of

(a) lead

(b) chromium

(c) zinc

(d) tin
1598: There are three parallel straight lines. Two points A and B are marked on the first line, points C and D are marked on the second line, and points E and F are marked on the third line. Each of these 6 points can move to any position on its respective straight line.

Consider the following statements:

I. The maximum number of triangles that can be drawn by joining these points is 18.

II. The maximum number of triangles that can be drawn by joining these points is zero.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
1599: Every year, a month long ecologically important campaign / festival is held during which certain communities / tribes plant saplings of fruit-bearing trees. Which of the following are such communities / tribes?

(a) Bhutia and Lepcha
(b) Gond and Korku
(c) Irula and Toda
(d) Sahariya and Agariya
1600: 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