KVPY Government Jobs Exams

In humans, the composition of a zygote that will develop into a female is-
(A) 44 A + XX (B) 44 A + XY (C) 22 + X (D) 23 A

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KVPY Other Question

A person has difficulty in breathing at higher altitudes because-
(A) oxygen is likely to diffuse from lungs to blood
(B) oxygen is likely to diffuse from blood to lungs
(C) partial pressure of O2 is lower than partial pressure of CO2
(D) overall intake of O2 by the blood becomes low If you fractionate all the organelles from the cytoplasm of a plant cell, in which one of the following sets of
fractions will you find nucleic acids ?
(A) nucleus, mitochondria, chloroplast, cytoplasm
(B) nucleus, mitochondria, chloroplast, glyoxysome
(C) nucleus, chloroplast, cytoplasm and peroxisome
(D) nucleus, mitochondria, chloroplast, Golgi bodies