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Which of the following is/are essential ...

Which of the following is/are essential for hydroponic medium ?

A

pH balance

B

Stirring

C

Aeration

D

All of the above

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The correct Answer is:
D
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MOTION-MINERAL NUTRITION -EXERCISE-4
  1. Which of the following is/are essential for hydroponic medium ?

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  2. Which of the following is a group of micronutrients for plants?

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  3. Assertion :- Hydroponics is one of the investigatory method to study m...

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  4. Assertion :- In hydroponics nutrient solutions must be adequately aera...

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  5. Assertion :- Deficiency of any essential element can not be met by sup...

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  6. Assertion :- Boron is one of the essential micro element or trace elem...

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  7. Assertion :- Potassium plays an important role in opening and closing ...

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  8. Assertion :- Calcium is required by meristematic cells. Reason:- Ca ...

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  9. Assertion :- Plants show chlorosis on deficiency of iron. Reason:- I...

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  10. Assertion :- Boron is essential for sexual reproduction in flowering p...

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  11. Assertion :- In all plants Mo is essential for nitrogen metabolism. ...

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  12. Assertion :- The element is said to be deficient when present below th...

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  13. Assertion :- Deficiency symptoms of NPK first appear on old plant part...

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  14. Assertion :- Deficiency of any element can cause multiple symptoms. ...

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  15. Assertion :- Moderate decrease of micronutrients causes the deficiency...

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  16. Assertion :- Excess of Mn may induce deficiency of Fe, Mg & Ca. Reas...

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  17. Assertion :- Initial uptake of ions is rapid while second phase of upt...

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  18. Assertion :- Entire ammonia arise from ammonification get converted in...

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  19. Assertion :- Nitrifying bacteria are chemoautotrophs. Reason:- Nitri...

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  20. Assertion :- Conversion of nitrate to ammonia takes place in leaves wh...

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  21. Assertion :- Only certain prokaryotic species are capable of fixing ni...

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