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Which of the following is not one of the...

Which of the following is not one of the three plants macronutrietns included in most fertilisers?

A

O

B

N

C

P

D

K

Text Solution

Verified by Experts

The correct Answer is:
A
Three important macronutrients included in most fertilisers are nitrogen, phosphorus and potassium. These are need to be replenished in crop fields as they are depleted by repeated cultivation. Oxygen is not one of these three elements.
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NCERT FINGERTIPS-MINERAL NUTRITION-Mineral Nutrition
  1. Phosphorus (P) is a structural element of

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  2. Which of the following essential elements plays an important role in o...

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  3. Which of the following is not one of the three plants macronutrietns i...

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  4. Minerals which maintain cation-anion balance in cells are

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  5. Sulphur is a constituents of which of the following amino acids?

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  6. Which of the following elements are required for chlorophyll synthesis...

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  7. Some fundtion of a nutrients element are given below (i). Important ...

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  8. Which of the following minerals activate the enzymes involved in respi...

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  9. Best defined function of manganese in green plants is

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  10. Select the correctly matched pair

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  11. Minerals associated with redox reaction are

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  12. Select the incorrectly matched pair.

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  13. The two elements responsible for splitting of H(2)O to liberate O(2) d...

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  14. Deficiency symptoms of readily mobilised essential elements will first...

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  15. Read the given statements and select the correct option Statement-1:...

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  16. Deficiency symptoms tend to appear first inwhenever the essential elem...

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  17. While in N, K and Mg deficiency, chlorosis appears first in leaves, in...

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  18. Chlorosis, i.e., loss of chlorophyll leading to yellowing in leaves, i...

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  19. Necrosis refers to

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  20. Necrosis mainly occurs by the deficlency of

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