36: When compared to the mammals, birds are less sensitive to temporary deprivation of water, because:

(a) The water requirement per unit weight is less in birds than in mammals.

(b) Absorption of water from the gut is more efficient in birds than in mammals.

(c) Urea excretion in mammals entails a greater loss of water than that in birds.

(d) None of these
37: Nanda Devi peak forms a part of

(a) Assam Himalayas
(b) Kumaon Himalayas
(c) Nepal Himalayas
(d) Punjab Himalayas
38: Forest areas have been labelled as 1, 2, 3 and 4 in the rough outline map given:


Among these, those which were threatened in 1997 by a serious epidemic include

(a) teak forests of 3 and 4
(b) oaks forests of 1 and sal forests of 2
(c) sal forests of 3
(d) sandalwood forests of 4
39: Consider the following statements about Jawaharlal Nehru :

I. He was the President of the Congress Party in 1947.

II. He presided over the Constituent Assembly.

III. He formed the first Congress Ministry in United Province before India's independence.

Of these statements

(a) I, II and III are correct
(b) I and III are correct
(c) I and II are correct
(d) None is correct
40: A class starts after lunch at 1 p.m. and lasts till 3.52 p.m. Four periods are over during this interval. After every period, 4 minutes are allowed for going from one classroom to another. What is the exact duration of each period held?

(a) 42 minutes

(b) 41 minutes

(c) 40 minutes

(d) 39 minutes