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JIPMER 2005
Exam
JIPMER
Year
2005
Subject
Botany
Chapter
Animal Kingdom

JIPMER 2005 · Botany · Animal Kingdom

Moulting hormone is secreted by

Moulting hormone is secreted by

Options

  1. Acorpora cardiacum
  2. Bprothoracic gland
  3. Ccorpora allata
  4. Dcorpora allata

Correct answer

B. prothoracic gland

Step-by-step solution

Moulting hormone (ecdysone) is secreted by prothoracic gland. These glands are paired, bilateral sheet of cells in the thorax. In Periplaneta, this endocrine gland is XX-shaped. This gland is stimulated by prothoracicotropic hormone. Ecdysone, by causing transformation from larval to pupal stage, initiates post embryonic growth in insects.
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