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Biology

Biology
One of the following is most suitable for study of mutations

Haploids
Tetraploids
Polyploid
Diploids

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

Ammonium
Chlorite
Hydroxide
Nitrate

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Biology
Rate of breathing in a minute by man is

16-18
20-25
70-72
15311

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Biology
Monocot root differs from dicot root in having

well developed pith
open vascular bundles
radially arranged vascular bundles
scattered vascular bundles

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Biology
Stomata helps in

Exchange of lipids
Exchange of proteins
Exchange of water
Exchange of gases

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Biology
Plants which grow on saline soils are known as

Hydrophytes
Xerophytes
Halophytes
Succulents

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MORE MCQ ON Biology

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