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NEET BIOLOGYMedium

Match List-I with List-II:

List-I A. Ethylene B. Cytokinins C. ABA D. Gibberellins

List-II I. Increase length of stem II. Promotion of senescence and abscission III. Delaying leaf senescence IV. Inhibition of seed germination

A

A-II, B-III, C-IV, D-I

B

A-I, B-II, C-III, D-IV

C

A-IV, B-I, C-II, D-III

D

A-II, B-I, C-IV, D-III

Step-by-Step Solution

According to the textbook:

  • Ethylene (A) promotes senescence and abscission of plant organs, especially leaves and flowers .
  • Cytokinins (B) promote nutrient mobilisation which helps in the delay of leaf senescence .
  • ABA (Abscisic Acid) (C) inhibits seed germination and plays a role in dormancy .
  • Gibberellins (D) cause an increase in the length of the axis (stem), used to increase the length of grape stalks or sugarcane stems .
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