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Necrosis mainly occurs by the deficlency...

Necrosis mainly occurs by the deficlency of

A

Ca, Mg

B

N, S

C

Mn, Mo

D

Fe, Mn

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The correct Answer is:
A
Nacrosis is browning or blackening of tissue due to the death of a cell or group of cells, while still a part of the plant is living. It occurs due to the deficiency of calcium `(Ca^(2+))` magnesium `(Mg^(2+))`, copper (Cu) and potassium (K).
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NCERT FINGERTIPS-MINERAL NUTRITION-Mineral Nutrition
  1. Chlorosis, i.e., loss of chlorophyll leading to yellowing in leaves, i...

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  2. Necrosis refers to

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  3. Necrosis mainly occurs by the deficlency of

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  4. Deficiency of which of the following elements delay flowering in plant...

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  5. Which of the following is not a deficiency symptoms of minerals?

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  6. Premature leaf fall is due to deficiency of

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  7. Yellowish edges appear in leaves deficient in

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  8. Mineral ion concentration in tissues that reduces the dry weight of ti...

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  9. Select the correct statement regarding manganese toxicity.

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  10. Minerals are absorbed in the form of

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  11. With reference of absorption of minerals, the term 'outer space' repre...

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  12. Which of the following statements about minerals absorption in plants ...

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  13. Mineral salts are translocated through (i) along with the (ii) steam o...

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  14. Mineral nutrients absorbed by roots, move to leaves through

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

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  16. Which one is the major constituent of proteins, nucleic acids, vitamin...

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  17. Nitrogen is a limiting nutrient for

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  18. One example of a nutrient in its reduced form is

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  19. The process of conversion of atmospheric free N(2) gas to nitrogenous ...

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  20. Nitrogen and hydrogen combine to form ammonia under high temperature a...

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