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  9. Q23

TGPSC Group-I 2024 · Question 23 of 144

Which of the following hormone is insect specific and not exclusively a plant hormone ?

Science & Technology

  1. AAuxin
  2. BJuvenileCorrect
  3. CGibberellin
  4. DCytokinin

Answer: B. Juvenile

Explanation

Juvenile hormone is an insect-specific hormone (regulates metamorphosis); auxin, gibberellin and cytokinin are plant hormones.

Source: TGPSC Group-I Preliminary Test 2024 official question paper booklet (held 9 Jun 2024, TEST 224) with Preliminary Key (MASTER), via Adda247

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