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KVPY Exam Pattern, KVPY Questions with Answers Page 6

(#M40027280) KVPY QUESTION General Ability Test -2010 Keep an EYE

Bacteria can survive by absorbing soluble nutrients via their outer body surface, but animals cannot, because
(A) Bacteria cannot ingest particles but animals can
(B) Bacteria have cell walls and animals do not
(C) Animals have too small a surface area per unit volume as compared to bacteria
(D) Animals cannot metabolize soluble nutrients

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(#M40027279) KVPY QUESTION General Ability Test -2010 Keep an EYE

In 1670, Robert Boyle conducted an experiment where in he placed a viper (a poisonous snake) in a chamber
and rapidly reduced the pressure in that chamber. Which of the following would be true ?
(A) Gas bubbles developed in the tissues of the snake
(B) The basal metabolic rate of the snake increased tremendously
(C) The venom of the snake was found to decrease in potency
(D) The venom of the snake was found to increase in potency

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(#M40027278) KVPY QUESTION General Ability Test -2010 Keep an EYE

Ribonucleic Acids (RNA) that catalyze enzymatic reactions are called ribozymes. Which one of the
following acts as a ribozyme ?
(A) Ribosome (B) Amylase (C) tRNA (D) Riboflavin

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(#M40027277) KVPY QUESTION General Ability Test -2010 Keep an EYE

For a first order reaction R → P, the rate constant is k. If the initial concentration of R is [R0], the
concentration of R at any time 't' is given by the expression

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(#M40027276) KVPY QUESTION General Ability Test -2010 Keep an EYE

From equations 1 and 2,
CO2 CO + 1/2 O2 [Kcl = 9.1 × 10^–13 at 1000ºC] (eq. 1)
H2O H2 + 1/2 O2 [Kcl = 7.1 × 10^–12 at 1000ºC] (eq. 2)
the equilibrium constant for the reaction CO2 + H2 CO + H2O at the same temperature, is

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(#M40027275) KVPY QUESTION General Ability Test -2010 Keep an EYE

In metallic solids, the number of atoms for the face-centered and the body-centered cubic unit cells, are,
respectively-
(A) 2, 4 (B) 2, 2 (C) 4, 2 (D) 4, 4

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(#M40027274) KVPY QUESTION General Ability Test -2010 Keep an EYE

Increasing the temperature increases the rate of reaction but does not increase the-
(A) number of collisions (B) activation energy
(C) average energy of collisions (D) average velocity of the reactant molecules

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(#M40027273) KVPY QUESTION General Ability Test -2010 Keep an EYE

A concentrated solution of copper sulphate, which is dark blue in colour, a mixed at room temperature with a
dilute solution of copper sulphate, which is light blue. For this process-
(A) Entropy change is positive, but enthalpy change is negative
(B) Entropy and enthalpy changes are both positive
(C) Entropy change is positive and enthalpy does not change
(D) Entropy change is negative and enthalpy change is positive

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(#M40027272) KVPY QUESTION General Ability Test -2010 Keep an EYE

In the nuclear reaction Th 234 Pa X
91
234
90 → + . X is-

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(#M40027271) KVPY QUESTION General Ability Test -2010 Keep an EYE

Friedel-Crafts acylation is-
(A) α-acylation of a carbonyl compound (B) acylation of phenols to generate esters
(C) acylation of aliphatic olefins (D) acylation of aromatic nucleus

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