2131: Which one of the following is a membrane that protects the developing embryo from desiccation ?
(a) Amnion
(b) Allantois
(c) Chorion
(d) Yolk sac
2132: Consider the following:
1. Star tortoise
2. Monitor lizard
3. Pygmy hog
4. Spider monkey
Which of the above are naturally found in India?
(a) 1 and 4 only
(b) 2 and 3 only
(c) 1, 2 and 3 only
(d) 1, 2 and 3 and 4
2133: Consider the following crops :
1. Cotton
2. Groundnut
3. Maize
4. Mustard
Which of the above are Kharif crops?
(a) 1 and 2
(b) 1, 2 and 3
(c) 3 and 4
(d) 1, 2, 3 and 4
2134: Cover of a solar cooker is made of glass. Why ?
(a) It absorbs sun rays
(b) It reflects sun rays
(c) Sun heat is transmitted through glass without much absorption
(d) None of these
2135: The first factory Act restricting the working hours of women and children, and authorizing local governments to make necessary rules was adopted during whose time?
(a) lord Lytton
(b) Lord Ripon
(c) Lord Bentinck
(d) Lord Canning