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A nitrogen-fixing microbe associated wit...

A nitrogen-fixing microbe associated withAzolla in rice fields is

A

Spirulina

B

Anabaena

C

Frankia

D

Tolypothrix

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SARAS PUBLICATION-MODEL QUESTION PAPER 1-EXERCISE
  1. In land plants the guard cells are different from other epidermal cell...

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  2. Which one of the following is not an essential mineral element for pla...

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  3. A nitrogen-fixing microbe associated withAzolla in rice fields is

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  4. The correct sequence of cell organelles during photorespiration is

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  5. CAM pathway is observed in

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  6. In which one of the following processes CO2 is not released?

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  7. Which of the metabolites is common to respiration mediated breakdown o...

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  8. What is the role of bile in digestion of fats.

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  9. If for some reason our goblet cells are non-functional this will adver...

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  10. Approximately 70 % of carbon dioxide absorbed by the blood will be tra...

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  11. The volume of a air that can be breathed in by maximum forced inspirat...

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  12. In a typical heart , if EDV is 120 mL of blood and ESV is 50 mL of blo...

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  13. Which of the following causes an increase in sodium reabsorption in th...

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  14. The principal nitrogenous excretory compound in human is synthesized ....

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  15. Chemical ions responsible for muscle contraction are

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  16. The U-shaped bone present at the base of the buccal cavity is

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  17. How do parasympathetic neural signals affect the working of the heart

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  18. Which part of the human ear plays no role in hearing as such, but is o...

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  19. What is correct to say about the hormone action in humans?

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  20. Injury to adrenal cortex is not likely to affect the secretion of whic...

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