1661: In an electronic watch, the component corresponding to pendulum of a pendulum clock is a

(a) transistor

(b) crystal oscillator

(c) diode

(d) balance wheel
1662: Consider the following :

1. Rice fields

2.Coal mining

3. Domestic animals

4.Coal mining Wetlands

Which of the above are sources of methane, a major greenhouse gas?

(a) 1 and 4 only

(b) 1, 2 and 3 only

(c) 2 and 3 only

(d) 1, 2, 3 and 4
1663: The religion of early Vedic Aryans was primarily of

(a) Bhakti

(b) image worship and Yajnas

(c) worship of nature and Yajnas

(d) worship of nature and Bhakti
1664: Which one of the following is not related to United Nations ?

(a) Multilateral Investment Guarantee Agency

(b) International Finance Corporation

(c) International Centre for Settlement of Investment Disputes

(d) Bank for International Settlements
1665: Mitakshara is

(a) A work on astronomy

(b) A treatise on ancient Hindu law of inheritance

(c) An Agamic text

(d) A compendium on medicine