71st BPSC Prelims (2025), question 139

🔬 Science & Technology

139. Hormones are secreted by:

     1. Sebaceous glands
     2. Reproductive glands
     3. Exocrine glands
     4. Endocrine glands
     Show answer

     Answer: D — Endocrine glands

     Hormones are secreted directly into the bloodstream by endocrine (ductless) glands.

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