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Frequently Asked KVPY Exam Pattern, KVPY Questions with Answers Page 28

(#M40027134) KVPY QUESTION General Ability Test Keep an EYE

The disorders that arise when the immune system destroys self cells are called autoimmune disorders. Which of the
following would be classified under this?
(A) rheumatoid arthritis (B) asthma (C) rhinitis (D) eczema

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(#M40027133) KVPY QUESTION General Ability Test Keep an EYE

Doping silicon with boron produces a –
(A) n-type semiconductor (B) Metallic conductor (C) p-type semiconductor (D) Insulator

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(#M40027130) KVPY QUESTION General Ability Test Keep an EYE

Peptic ulcers are caused by –
(A) a fungus, Candida albicans (B) a virus, cytomegalovirus
(C) a parasite, Trypanosoma brucei (D) a bacterium, Helicobacter pylori

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(#M40027129) KVPY QUESTION General Ability Test Keep an EYE

Transfer RNA (tRNA) –
(A) is present in the ribosomes and provides structural integrity
(B) usually has clover leaf-like structure
(C) carries genetic information form DNA to ribosomes
(D) codes for proteins

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(#M40027123) KVPY QUESTION General Ability Test Keep an EYE

You remove four fresh tobacco leaves of similar size and age. Leave "leaf 1" as it is, smear "leaf 2" with
vaseline on the upper surface, "leaf 3" on the lower surface and "leaf 4" on both the surfaces. Hang the leaves
for a few hours and you observe that leaf 1 wilts the most, leaf 2 has wilted, leaf 3 wilted less than leaf 2 and
leaf 4 remains fresh. Which of the following conclusion is most logical ?
(A) tobacco leaf has more stomata on the upper surface
(B) tobacco leaf has more stomata on the lower surface
(C) stomata are equally distributed in upper and lower surfaces
(D) no conclusion on stomatal distribution can be drawn from this experiment

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(#M40027119) KVPY QUESTION Mental Ability Keep an EYE

Among (i) [CO(NH3)6]Cl3, (ii) [Ni(NH3)6]Cl2, (iii) [Cr(H2O)6]Cl3, (iv) [Fe(H2O)6]Cl2 the complex which is diamagnetic is
option
(A) i
(B) ii
(C) iii
(D) iv

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(#M40027116) KVPY QUESTION Mental Ability Keep an EYE

A student sees the top edge and the bottom center C of a pool simultaneously from an angle i¸ above the horizontal as shown in the figure. The refraction index of water which fills up to the top edge of the pool is 4/3. If h/x = 7/4 then cos i¸ is

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(#M40027115) KVPY QUESTION Mental Ability Keep an EYE

In a thermally isolated system, two boxes filled with an ideal gas are connected by a valve. When the valve is in closed position, states of the box 1 and 2, respectively, are (1 atm, V, T) and (0.5 atm, 4V, T). When the valve is opened, the final pressure of the system is approximately
option
(A) 0.5 atm
(B) 0.6 atm
(C) 0.75 atm
(D) 1.0 atm

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(#M40027111) KVPY QUESTION Mental Ability Keep an EYE

The diameter of one of the bases of a truncated cone is 100 mm. If the diameter of this base is increased by
21% such that it still remains a truncated cone with the height and the other base unchanged, the volume also
increases by 21%. The radius of the other base (in mm) is-
(A) 65 (B) 55 (C) 45 (D) 35

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(#M40027110) KVPY QUESTION Mental Ability Keep an EYE

Let f(x) = ax^2 + bx + c, where a, b, c are integers. Suppose f(1) = 0, 40 < f(6) < 50, 60 < f(7) < 70, and
1000t < f(50) < 1000 (t + 1) for some integer t. Then the value of t is
(A) 2 (B) 3 (C) 4 (D) 5 or more

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