3251: Man cannot digest cellulose whereas cows can do so because

(a) Their gut contains certain bacteria capable of digesting cellulose

(b) They have a many-chambered stomach

(c) They have efficient grinding molars

(d) They produce an enzyme cellulose which can digest cellulose
3252: Recommended daily intake of proteins for a moderately active woman is

(a) 30 g
(b) 37 g
(c) 40 g
(d) 46 g
3253: The basic reason for the extraordinary sparkle of a suitably cut diamond is that

(a) it has a very high transparency

(b) it has a very high refractive index

(c) it is very hard

(d) it has well-defined cleavage planes
3254: Which one of the following pairs is not correctly matched ?

(A) Seychelles : Victoria
(B) Slovenia : Bratislava
(C) Sierra Leone : Freetown
(D) Uzbekistan : Tashkent
3255: For artificial insemination the semen of a bull should be stored in:

(a) Cold water

(b) Ice

(c) Liquid nitrogen

(d) Liquid oxygen