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MODEL PAPER 7 — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYMODEL PAPER 72 Marks
Question
Define the following:
a. Exocrine gland
b. Endocrine gland
c. Hormone
✓

Answer

a. Exocrine glands. These glands have ducts. They secrete their secretions through ducts.
b. Endocrine glands. Endocrine glands do not have ducts. They directly secrete their secretions.
c. Hormone. Hormones are non-nutrient chemicals which act as intercellular messengers and are produced in trace amounts.

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