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Organisms that fix nitrogen in aquatic h...

Organisms that fix nitrogen in aquatic habitats are

A

green algae

B

cyanobacteria

C

brown algae

D

protozoa

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TRUEMAN BIOLOGY-MINERAL NUTRITION-MULTIPLE CHOICE QUESTIONS
  1. Nodule formation is reduced in legume roots due to the deficiency of

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  2. On earth the largest reservoir of nitrogen is

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  3. Organisms that fix nitrogen in aquatic habitats are

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  4. In root nodules of leguminous plants, the pigment leghamoglobin that g...

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  5. Besides providing pink colour to the root nodules, leghaemoglobin perf...

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  6. Major nitrogen flxation is carried out by

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  7. Which one plays an important role in energy metabolism? 1. Calcium ...

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  8. Most of the plants obtain nitrogen from the soil in the form of 1. ni...

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  9. Deficiency of nitrogen produces

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  10. Plants absorb sulphur in the form of 1. SO(4) from soil 2. SO(2) fr...

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  11. Which of the following is an micronutrient essential for plants?

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  12. Which of the following is not an essential micronutrient ?

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  13. Which one of the following elements is not required by plants for thei...

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  14. Carbon becomes available to crop plants in the form of

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  15. On the basis of symptoms of chlorosis in leaves, a student inferred th...

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  16. Fertilizers are usually enriched in NPK which denotes

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  17. Which one is component of ferredoxin ?

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  18. Potassium is involved in

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  19. The deficiency symptom of phosphorus is

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  20. Due to deficiency of phosphorus

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