Q39 / 180 · NEET 2014 · Botany

Deficiency symptoms of nitrogen and potassium are visible first in:

  • Correct answer
    A
    Senescent leaves
  • B
    Young leaves
  • C
    Roots
  • D
    Buds

Solution

Nitrogen and potassium are the mobile elements, their deficiency leads to the loss of chlorophyll molecule. This makes the leaf yellow referred as chlorosis that leads to the senescence of leaves.

Hence, the correct answer is option: 'A'.

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