CBSE Class 11 Biology Chemical Coordination And Integretion Worksheet Set D

CHEMICAL COORDINATION AND INTEGRETION

→ Very Short Answer Questions:

1. Name the two systems which coordinate and regulate physiological functions of our body.

2. Give the names of hormones which act antagonistically in order to regulate calcium levels in the blood.

3. Ruptured follicle in females forms a particular structure. Specify its role after naming it.

4. Immunity of old persons becomes very weak. Give reason.

5. Write the role of hypothalamus as an endocrine gland.

6. What are the hormones secreted by ovary and testis.

7. Justify giving one reason that PTH is a hypercalcemic hormone.

8. What are catecholamines?

→ Short answer questions:

9. The Atrial natriuretic factor decreases blood pressure. Comment.

10. State the functions of : a) Prolactin b) Thymosin c) Melanocyte stimulating hormone

11. Enumerate the details about the cell layers of cortex of adrenal gland and the hormones secreted by it.

12. Give an account on the hormones secreted by heart, kidney and gastrointestinal tract.

13. Describe about the hypothyroidism in children and in adults.

14. Classify hormones based on their chemical nature with specific examples.

15. Briefly explain the mechanism of hormone action in case of steroid as well as protein hormones.

Draw well labeled diagrams of:

A. Location of endocrine glands
B. Pituitary and its relationship with hypothalamus
C. Position of thyroid and Parathyroid
D. Section showing two parts of adrenal gland
E. Mechanism of hormone action

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