class 10 worksheet on control and coordination

Control and coordination

1. What is the stimulus in:

a) Phototropism

b) Geotropism

c) Chemotropism

d) Hydrotropism

e) Thigmotropism

2.Which plant hormone is responsible for the wilting and falling of leaves?

3. Differentiate between gigantism & dwarfism

4. Name one hormone secreted by:

a) Testis

b) Pancreas

c) Thyroid

d) Ovary

5. What is meant by receptors and effectors ?

6. How does our body maintain blood sugar level?

7. Name the hormone synthesized at the shoot tips. How does it help the plant to respond to light?

8. a) Name the hormone which is injected to a diabetic person?

 b) Why should we use iodised salt in our diet?

 c) If iodine is insufficient in one’s diet, what might be the deficiency disease and its symptoms?

9.Identify the glands and mention hormones produced .

a. .Gland which prepares our body to function at maximum          efficiency during anger or danger.
b. Gland that helps in growth of bones and muscles.
c.  Gland that helps in growth of secondary sexual               characters  in males.