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KVPY Exam Pattern, KVPY Questions with Answers

(#M40040643) KVPY QUESTION biology Keep an EYE

why is saline drip given to cholera patients?

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(#M40027330) KVPY QUESTION Mental Ability-2010 Keep an EYE

You marked two ink-spots along the height at the base of a coconut tree and also at the top of the tree. When
you examine the spots next year when the tree has grown taller, your will see-
(A) the two spots at the top have grown more apart than the two spots at the bottom
(B) the top two spots have grown less apart then the bottom two spots
(C) both sets of spots have grown apart to the same extent
(D) both sets of spots remain un-altered

Asked In KVPY MAN (9 years ago)

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(#M40027329) KVPY QUESTION Mental Ability-2010 Keep an EYE

Consider a locus with two alleles, A and a. If the frequency of AA is 0.25, what is the frequency of A under
Hardy-Weinberg equilibrium ?
(A) 1 (B) 0.25 (C) 0.5 (D) 0

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(#M40027328) KVPY QUESTION Mental Ability-2010 Keep an EYE

Four species of birds have different egg colors : [1] white with no markings, [2] pale brown with no
markings. [3] grey-brown with dark streaks and spots, [4] pale blue with dark blue-green spots. Based on
egg color, which species is most likely to nest in a deep tree hole ?
(A) 1 (B) 2 (C) 3 (D) 4

Asked In KVPY MAN (9 years ago)

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(#M40027327) KVPY QUESTION Mental Ability-2010 Keep an EYE

Which of the following correctly represents the results of an enzymatic reaction ? Enzyme is E, substrate is
S and products are P1 & P2.

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(#M40027326) KVPY QUESTION Mental Ability-2010 Keep an EYE

The amino acid sequences of a bacterial protein and a human protein carrying out similar function are found
to be 60% identical. However the DNA sequences of the genes coding for these proteins are only 45%
identical. This is possible because-
(A) Protein sequence does not depend on DNA sequence
(B) DNA codons having different nucleotides in the third position can code for the same amino acids
(C) DNA codons having different nucleotides in the second position can code for the same amino acids
(D) Same DNA codons can code for multiple amino acids

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(#M40027325) KVPY QUESTION Mental Ability-2010 Keep an EYE

Two students are given two different double stranded DNA molecules of equal length. They are asked to
denature the DNA molecules by heating. The DNA given to student A has the following composition of
bases (A:G:T:C:35:15:35:15) while that given to student B is (A:G:T:C::12:38:12:38). Which of the
following statements is true ?
(A) Both the DNA molecules would denature at the same rate
(B) The information given is insufficient to draw any conclusion
(C) DNA molecule given to student B would denature faster than that of student A
(D) DNA molecule given to student A would denature faster than that given to student B

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(#M40027324) KVPY QUESTION Mental Ability-2010 Keep an EYE

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

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(#M40027323) KVPY QUESTION Mental Ability-2010 Keep an EYE

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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(#M40027322) KVPY QUESTION Mental Ability-2010 Keep an EYE

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

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