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The macronutrient which is an essential ...

The macronutrient which is an essential component of all organic compounds, yet not obtained by plants from soil is

A

Nitrogen

B

Carbon

C

Phosphorus

D

Magnesium

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The correct Answer is:
B
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MODERN PUBLICATION-MINERAL NUTRITION -COMPETITION FILE ( OBJECTIVE TYPE QUESTIONS )( E.ADDITIONAL MULTIPLE CHOICE QUESTIONS ) :
  1. Gray spots of oat are caused by the deficiency of

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  2. Hydroponics is

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  3. The major portion of the dry weight of plants comprised of

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  4. Boron in green plants assists in

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  5. If by radiation all nitrogenase enzymes are inactivated, then there wi...

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  6. The most abundant element present in the plants is Or Which of th...

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  7. Passive obsorption of minerals salts is not dependent on

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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 macronutrient which is an essential component of all organic compo...

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  11. Which is essential for root hair growth Or The mineral present in ...

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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 the venus fly trap of capture insects is due to

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  15. What is Balanced Nutrient Solution?

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  16. The nuber of essential elements required for normal growth of plant is

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

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

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

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  20. Which of the following is a flowering plant with nidules containing fi...

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