NEET 2020 · Class 11

Plant Growth and Development

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

  1. (A)Gibberellin
  2. (B)Ethylene
  3. (C)Abscisic acid
  4. (D)Cytokinin

The NCERT line that answers it

Verbatim line

Spraying sugarcane crop with gibberellins increases the length of the stem, thus increasing the yield by as much as 20 tonnes per acre.

Chapter
Plant Growth and Development
Section
13.4.3 Physiological Effects of Plant Growth Regulators
Page
10
Words matched
23 of 23

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states that spraying sugarcane with gibberellins increases stem length and yield, directly matching the question's specific biological fact.

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