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STD 11 - 19. Chemical coordination and integration — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 19. Chemical coordination and integration1 Mark
MCQ
Endocrine glands are
  • ✓
    Ductless glands whose secretions pour directly into blood
  • B
    Have ducts and pour their secretions into blood directly
  • C
    Have ducts which straightway pour secretions into target organs
  • D
    All of the above
✓

Answer

Correct option: A.
Ductless glands whose secretions pour directly into blood
a
Endocrine glands (ductless glands) or gland of internal secretion have no ducts and their secretion get absorbed into the immediate surrounding blood circulation to reach the specific organ to initiate a particular metabolic change.

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