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The major portion of the dry weight of p...

The major portion of the dry weight of plants comprises of:

A

Calcium,magnesium and sulphur

B

Carbon,nitrogen and hydrogen

C

Carbon,hyudrogne and oxygen

D

Nitrogen,pophorus nd potassium.

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MODERN PUBLICATION-MINERAL NUTRITION-EXERCISE
  1. Gray spots of oats are caused by deficiency of:

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  2. Hydroponics is

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  3. The major portion of the dry weight of plants comprises of:

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  4. Boron in green plants assists in:

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  5. If by raidations all nitrogenase enzymes are inactivated, then there w...

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  6. The most abudant element present in the plants is:

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  7. Passive absorption of mineral salts is not dependent of:

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  8. Middle lamella mainly contains:

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  9. The appearance of yellow edges to leaves is due to deficiency of this ...

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  10. The macronutrients which is an essential component of all organic comp...

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  11. Which is essiential for root hair growth?

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  12. Prolonged liberal irrigation of agricultural fields is likely to creat...

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  13. The deficiencies of micronutrients, not only affects growth of plants ...

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  14. The ability of venux fly-trap to capture insects id due to:

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  15. Pitcher in Nepenthes is the modified form of:

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  16. The number of essential nutrients required for normal growth of plant...

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  17. Nane the element that plays an important role in biological nitrogen f...

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  18. Conversion of ammonia into nitrate through Nitrosomonas is called:

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  19. Bacteria which reduce nitrate in soil to nitrogen are:

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  20. Which of the following is a flowering plant,whose nodules containing f...

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