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Biology

Biology
Through Nitrogen fixation process nitrogen in the atmosphere is converted into

Chlorite
Hydroxide
Ammonium
Nitrate

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Biology
Branch of agriculture concerned with the production of crops

Agrostology
Agrotology
Anthropology
Agronomy

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Biology
Which of the following can be a symptom of AIDS?

All listed here
Hair loss
Tiredness
Severe weight gain

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Biology
Which one among the following cell organelles is semi-permeable ?

Plasma membrane
Nucleus
Cell membrane
Cell wall

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Biology
When the concentration of water and solutes on either side of the cell membrane is same, the solution is said to be

None of these
Isotonic
Hypertonic
Hypotonic

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Biology
Which one of the following processes takes place in lakes during eutrophication?

Rapid destruction of algal growth
Loss of dissolved nutrients from water
Excessive availability of dissolved oxygen
Excessive entry of nutrient into water

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