Waec Model Questions Vol1 2019 Biology Question 20

Practice objective / multiple choice question 20 from the 2019 Waec Model Questions Vol1 Biology examination.

Waec Model Questions Vol1 2019 Biology Objective / Multiple Choice Medium Difficulty
Question 20 WAEC_MODEL_QUESTIONS_VOL1 • 2019 • BIOLOGY • objective

A person experiences a sudden fall in blood glucose concentration. Describe the immediate hormonal response that restores glucose levels, specifying (i) the hormone released first, (ii) the gland that secretes it, and (iii) its direct effect on liver glycogen.

Answer Options

A. Insulin; secreted by pancreatic β‑cells; it stimulates glycogenolysis (breakdown of liver glycogen).
Correct Answer B. Glucagon; secreted by pancreatic α‑cells; it stimulates glycogenolysis (breakdown of liver glycogen).
C. Glucagon; secreted by pancreatic α‑cells; it stimulates glycogenesis (formation of liver glycogen).
D. Epinephrine; secreted by adrenal medulla; it stimulates glycogenolysis (breakdown of liver glycogen).
Correct Answer
B
Correct Option:
Glucagon; secreted by pancreatic α‑cells; it stimulates glycogenolysis (breakdown of liver glycogen).

About This Question

This is Waec Model Questions Vol1 2019 Biology Question 20. It is a objective / multiple choice question from the 2019 Waec Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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