2836: If you want to see gharials in their natural habitat, which one of the following is the best place to visit?
(a) Bhitarkanika Mangroves
(b) Chambal River
(c) Pulicat Lake
(d) Deepor Beel
2837: Sex of a child is determined by the:
(a) Chromosomes of father
(b) Chromosomes of mother
(c) Rh factor of parents
(d) None of these
2838: Hydroponics means:
(a) Cultivation of plants without the use of soil
(b) Detection of sound in water
(c) Animals living in water
(d) A Japanese way of flowering
2839: Pyrilla is a
(a) Disease of teeth and gums
(b) An insect pest
(c) A character of ancient Greek mythology
(d) A building heated by solar energy
2840: If X + 2Y = 2X + Y, then X2 / Y2 is equal to
(a) 0
(b) 1
(c) 2
(d) 4