KVPY Government Jobs Exams

A horse has 64 chromosomes and a donkey has 62. Mules result from crossing a horse and a donkey. State
which of the following is INCORRECT ?
(A) Mules can have either 64, 63 or 62 chromosomes
(B) Mules are infertile
(C) Mules have well defined gender (male/female)
(D) Mules have 63 chromosomes

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KVPY Other Question
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 If the total number of photons falling per unit area of a leaf per minute is kept constant, then which of the
following will result in maximum photosynthesis ?
(A) Shining green light (B) Shining sunlight
(C) Shining blue light (D) Shining ultraviolet light