Question

2. Rounded structure on the back of snail is ____

3. Movement of snail is due to ____________

4. In earthworm, __________ helps to extend or shorten the body.

5. Cockroaches have __________ pair of wings attached to breast.

6. Bones of bird are ____________.

7. Cockroaches have __________ pair of legs.

8. Fishes have ___________ on their body which helps to keep balance of their body.

II .Match the following:

A B

1. Ball and socket joint

2. Pivotal joint

3. Hinge joint

4. Fixed joint

a. Upper jaw

b. Arm and shoulder

c. Neck and head

d. Knee joint

III. Answer the following questions.

1. What is function of skull?

2. What is shape of body of fishes?

3. Where is cartilage found?

4. Who wrote book ‘gait of animals’?

5. What is the difference between bones and cartilage?

6. Which of these animals have bones in their body:

Earthworm, snake, snail, fish, bird7. Which of the following are true:

a. Cartilage is not as hard as bone.

b. Bones move from every joint.

c. Knee has hinge joint

d. The body of fish is streamlined.

8. What type of substance is secreted by earthworm?

9. How muscles work in movement of bones?​

Answer 1

Answer: HIT YOU WIT THAT DudUDUDUDUD tan  tan tanananaanan oh ye oh ye hit you with that dududdududdu

Explanation:

Answer 2

2. shell

3.muscular foot