Class 11 Biology Chapter 22 Chemical Coordination And Integration Quiz 7 (4 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. A chemical signal that has both endocrine and neural roles is

Correct Answer: C) Epinephrine.

2. On seeing a tiger the heart-beat and blood pressure increases due to release of hormone.

Correct Answer: C) Adrenaline.

3. A-glucagon stimulates glycogenolysis in hepatocytesR-glucagon causes hyperglycemia

Correct Answer: A) A&R both true, R is the correct explanation of A.

4. All the following tissues in mammals except one consists of a central 'medullary' region surrounded by a cortical region. Mark the wrong entry

Correct Answer: A) Ovary.