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Biology · PYQ NEET UG 2019(2)

हिन्दी

Removal of shoot tips is a very useful technique to boost the production of tea-leaves. This is because:

  1. Gibberellins delay senescence of leaves.
  2. Gibberellins prevent bolting and are inactivated.
  3. Auxins prevent leaf drop at early stages.
  4. Effect of auxins is removed and growth of lateral buds is enhanced.

Correct answer · Option 4

Effect of auxins is removed and growth of lateral buds is enhanced.

Explanation

Apical dominance caused by auxins at shoot tips inhibits lateral bud growth; removing them removes this inhibition and promotes bushiness and tea leaf yield.
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