Very Short Answer Questions:
1. How many types of girdles are found in human body? Name them.
2. What kind of arrangement is found in the ball and socket joint?
3. How many legs does a cockroach have?
4. Where do you find a hinge joint in your body?
C. Short Answer Questions:
1. What is a rib cage? What is the function of the ribcage?
2. What are fixed joints. Give an example.
3. Why do animals move from one place to another?
4. Why can't we bend our elbows backwards?
5. Why is mucus secreted by a snail's foot?
6. Shreya's grandmother is very old. She has pain in her knee joint and thus, she finds it very difficult to
move from one place to another. Shreya always helps her grandmother, when she walks.
(a) Name the type of joint found in the knee.
(b) What value do you learn from Shreya?
Value Corner
D. Long Answer Questions:
1. Explain in brief the different types of movable joints in the human body.
2. How do the muscles attached to bones bring about movements?
3. How does a bird fly? List the features that help a bird to fly.
4. Describe the structure and function of the ribcage with the help of a labelled diagram.
E. HOTS(Higher Order Thinking Skills) Questions:
1. Why does a child have 300 bones whereas an adult who has grown up bigger in size has only 206
bones?
2. Imagine yourself with a vertebral column with a long single bone or with fixed joints. How will such a
change affect your life?
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