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Biology

Biology
Nitrogen fixation process in the soil is done by

Protoza
Virus
Bacteria
Fungi

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Biology
Anaemia is due to deficiency of

Mg
Ca
Fe
P

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Biology
The food material prepared in the plants is transported to the various organs by which of the following?

Cambium
Phloem
Xylem
Cortex

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Biology
Which of the following is true about blood plasma?

It is a faint yellow fluid
It is about 90% water
The main protein component is hemoglobin
It is the same as serum but without the clotting proteins

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Biology
Poison glands of snakes are homologous to

sebaceous glands of mammals
electric organs of fishes
stings of rays
salivary glands of vertebrates

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Biology
Which process requires no energy from the cell?

Osmosis
None of these
Both A & B
Diffusion

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MORE MCQ ON Biology

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