KVPY Government Jobs Exams

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

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KVPY Other Question

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 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