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Hydroponics is the method of...

Hydroponics is the method of

A

water conservation

B

plant development in water without soil

C

plant development without soil

D

plant development in saline soil

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TRUEMAN BIOLOGY-MINERAL NUTRITION-MULTIPLE CHOICE QUESTIONS
  1. Nitrifying bacteria-

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  2. The function of leghaemoglobin in the root nodules of legumes is:-

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  3. Hydroponics is the method of

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  4. Which one of the following elements (micronutrients) in plants is not ...

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

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  6. Cuscuta is an example of

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  7. For its action, nitrogenase requires

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  8. Which one of the following is wrong statement ?

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  9. A nitrogen fixing microbe associated with Azolla in rice-fields is:-

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  10. Best defined function of manganese in green plants is

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  11. The first stable product of fixation of atmospheric nitrogen in legumi...

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  12. Deficiency symptoms of nitrogen and potassium are visible first in

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  13. Which one gives the most valid and recent explanation for stomatal mov...

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  14. During biological nitrogen fixation, inactivation of nitrogenase by ox...

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  15. In which of the following, all the three are macronutrients

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  16. Which is essential for the growth of root tip ?

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  17. Select the mismatch

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  18. In which of the following forms is iron absorbed by plants

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  19. Which of the following elements is responible for maintaining turgor i...

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  20. Photosynthetic nutrition in plants is also known as

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