NEET Previous Year Question

Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop.

Topic: NEET PYQ

Answer: C. Full step-by-step solution below.

  1. AAbscisic acid
  2. BCytokinin
  3. CGibberellin
  4. DEthylene

Correct answer: C

Solution

(c) Gibberellins (GA) increase stem length by promoting cell elongation and internodal growth, which increases the yield of sugarcane.

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