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KVPY Exam Pattern, KVPY Questions with Answers Page 13

(#M40027208) KVPY QUESTION General Ability Test Keep an EYE

An electrode is placed in the axioplasm of a mammalian axon and another electrode is placed just outside the
axon. The potential difference measured will be-
(A) 0 (B) –70 mV
(C) –70 μV (D) +70 μV

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(#M40027207) KVPY QUESTION General Ability Test Keep an EYE

At which stage of Meiosis I does crossing over occur ?
(A) lepoptene (B) zygotene
(C) pachytene (D) diplotene

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(#M40027206) KVPY QUESTION General Ability Test Keep an EYE

According to the original model of DNA, as proposed by Watson & Crick in 1953, DNA is a-
(A) left handed helix
(B) helix that makes a full turn every 70 nm
(C) helix where one turn of DNA contains 20 basepairs
(D) two stranded helix where each strand has opposite polarity

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(#M40027205) KVPY QUESTION General Ability Test Keep an EYE

The process of cell death involving DNA cleavage in cells is known as-
(A) necrosis (B) apoptosis
(C) cytokinesis (D) endocytosis

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(#M40027204) KVPY QUESTION General Ability Test Keep an EYE

Puffs in the polytene chromosomes of Drosophila melanogaster salivary glands represent-
(A) transcriptionally active genes
(B) transcriptionally inactive genes
(C) heterochromatin
(D) housekeeping genes

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(#M40027203) KVPY QUESTION General Ability Test Keep an EYE

Soon after the three germ layers are formed in a developing embryo, the process of organogenesis starts. The
human brain is formed from the-
(A) ectoderm
(B) endoderm
(C) mesoderm
(D) partly endoderm and partly mesoderm

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(#M40027202) KVPY QUESTION General Ability Test Keep an EYE

Modern evolutionary theory consists of the concepts of Darwin modified by knowledge concerning-
(A) population statistics (B) Mendel's laws
(C) the idea of the survival of the fittest (D) competition

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(#M40027201) KVPY QUESTION General Ability Test Keep an EYE

Circadian Rhythm is an endogenously driven cycle for biochemical, physiological and behavioral processes.
In humans, the approximate duration of this 'biological clock' is-
(A) 1 Hour (B) 6 Hours (C) 12 Hours (D) 24 Hours

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(#M40027200) KVPY QUESTION General Ability Test Keep an EYE

A water molecule can from a maximum of ………. hydrogen bonds.
(A) 1 (B) 2 (C) 3 (D) 4

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(#M40027199) KVPY QUESTION General Ability Test Keep an EYE

Saline drip is given to a Cholera patient because-
(A) NaCl kills Vibrio cholera
(B) NaCl generates ATP
(C) Na+ ions stops nerve impulse and hence sensation of pain
(D) Na+ ions help in retention of water in body tissue

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