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Mycorrhizae are useful for plants because they

A. fix atmospheric nitrogen.

B. enhance absorption of nutrients from the soil.

C. kill insects and pathogen.

D. provide resistance against abiotic stresses.

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  3. Which of the following is used extensively in biochemical and genetic work ?
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  5. Which of the following pigment is present in cyanobacteria?
  6. Protista includes
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  11. Assume that two normal hyphal cells of different fungal mating types unite. After a period of time,…
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  13. Select the correct match from the given option.
  14. Match column-I (Characters/feature) with column-II (examples) and choose the correct option.Column-IColumn-II(Characters/features)(Examples)A.…
  15. The figure given below shows the structure of a bacteriophage. Identify its parts labelled as A, B,…
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