KVPY Government Jobs Exams

A bust cell has intracellular bacteria symbionts. If the growth rate of the bacterial symbiont is always 10%
higher than that of the host cell, after 10 generations of the host cell the density of bacteria in host cells will
increase -
(A) by 10 % (B) two-fold (C) ten-fold (D) hundred-fold

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KVPY Other Question

A solution containing 8.0 g of nicotine in 92 g of water freezes 0.925 degrees below the normal freezing
point of water. If the molal freezing point depression constant Kf = – 1.85ºC mol–1 then the molar mass of
nicotine is-
(A) 16 (B) 80 (C) 320 (D) 160 In a diploid organism, there are three different alleles for a particular gene. Of these three alleles one is
recessive and the other two alleles exhibit co-dominance. How many phenotypes are possible with this set of
alleles ?
(A) 3 (B) 6 (C) 4 (D) 2