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The nuber of essential elements required...

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

A

10

B

16

C

20

D

25

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The correct Answer is:
A
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Which of the following statements are not correct in reference to hydroponics? I. It determines the mineral nutrients essential for the plants. II. The hydroponics involves the culture of plants in soil and defined mineral solution. III. Hydroponics requires purified water with non-defined mineral nutrient salts. IV. In the hydroponics technique, plants are grown in sandy soil with nutrient solution. V. By this method, essential elements required for the growth of plants can be identified and their deficiency symptoms can also be discovered

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Microelements are those essential elements which are required by the plants in concentration

The element which is required by the sea plants is

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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