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Biology

Biology
Fishes have a ________ chambered heart.

Two
Single
Three
Four

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Biology
Which is the CORRECT pair of inherited chromosomes for the child to be a girl?

Y from father and X from mother
X from father and X from mother
X from father and Y from mother
Y from father and Y from mother

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Biology
N2 content is kept constant in the biosphere due to

nitrogen cycle
absorption of N2
N2 fixation
industrial pollution

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Biology
Study of typical behaviour of organisms in their natural habitatis is called

Euthenics
Ethnology
Ehology
Eugenics

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Biology
Synapse gap is present between which of the following?

Brain and Spinal Cord
Two Kidneys
Two neurons
None of these

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Biology
Photosynthesis takes place faster in

red light
yellow light
darkness
white light

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MORE MCQ ON Biology

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