4426: Rennin and lactase, the enzymes required to digest milk, disappear in the human body by the age of
(a) two
(b) three
(c) five
(d) eight
4427: 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
4428: Which one of the following is correct in respect of Indian football team's performance in the Olympic Games ?
(a) India has never participated in the Olympic Football Tournament
(b) India entered the Semi Finals
(c) India played only in the First Round
(d) India entered only up to the Quarter Finals
4429: A big rectangular plot of area 4320 m2 is divided into 3 square-shaped smaller plots by fencing parallel to the smaller side of the plot. However, some area of land was still left as a square could be formed. So, 3 more square shaped plots were formed by fencing parallel to the longer side of the original plot such that no area of the plot was left surplus. What are the dimensions of the original plot?
(A) 120 m x 36 m
(B) 135 m x 32 m
(C) 240 m x 18 m
(D) 160 m x 27 m
4430: Paraffin is a by-product of
(a) Petroleum refining
(b) Processing of agricultural wastes
(c) Cottage industries involving beekeeping
(d) Leather industry