3996: The hallmark of watershed development in the semi-arid regions of India is the
(a) establishment of sheds on large scale, so that the rain water does not evaporate
(b) undertaking of earthworks, soil conservation measures and tree plantation, so as to conserve soil moisture and recharge underground water
(c) drilling deep tubewells so as to tap water at the rock-strata level
(d) setting up a system of tanks by banking water from seasonal rivers
3997: Electrically charged particles from space travelling at speeds of several hundred km/sec can severely harm living beings if they reach the surface of the Earth. What prevents them from reaching the surface of the Earth?
(a) The Earth's magnetic field diverts them towards its poles
(b) Ozone layer around the Earth reflects them back to outer space
(c) Moisture in the upper layers of atmosphere prevents them from reaching the surface of the Earth
(d) None of the statements (a), (b) and (c) given above is correct
3998: Which one of the following soil types of India is rendered infertile by the presence of excess iron ?
(a) Desert sand
(b) Alluvial
(c) Podzolic
(d) Lateritic
3999: The greatest hallmark of personal liberty is:
(a) Mandamus
(b) Certiorari
(c) Quo Warranto
(d) Habeas Corpus
4000: Match List I (Endocrine glands) with List II (Hormones secreted) and select the correct answer using the codes given below the Lists :
List I-------------List II
I. Gonads----------(A) Insulin
II. Pituitary--------(B) Progesterone
III. Pancreas------(C) Growth hormones
IV. Adrenal--------(D) Cortisone
Codes:
(a) I-C, II-B, III-D, IV-A
(b) I-B, II-C, III-D, IV-A
(c) I-B, II-C, III-A, IV-D
(d) I-C, II-B, III-A, IV-D