Body Movements quiz

The joint between the bones of the skull is a:

The knee has a:

The joint that allows the head to turn left and right is the:

The number of pairs of ribs in the human ribcage is:

The backbone is made up of small bones called:

Earthworms move with the help of muscles and:

A snail moves with the help of its:

Which bones of birds are hollow and light?

The shoulder has a:

The ear lobe is made of:

Why can we not bend our arm backwards at the elbow? (2 marks)

Name the bones that form the pelvis and state one function. (2 marks)

Why is the skull called a protective structure? (2 marks)

How does a cockroach walk, climb and fly? (2 marks)

Why do muscles work in pairs? (2 marks)

How is the fish's body suited for swimming? Give two features. (2 marks)

What is the function of the ribcage? (2 marks)

What happens when a muscle contracts? (2 marks)

Why can you not move your upper jaw? (2 marks)

How does an X-ray help a doctor? (2 marks)

An adult human has about 206 bones, of which 24 are ribs and 33 are vertebrae in the backbone. Find the number of bones that are neither ribs nor vertebrae. (3 marks)

A snail moves about 1 mm per second. How far does it move in 1 minute, in 10 minutes and in 1 hour? Express the last answer in metres. (3 marks)

A class observed 3 earthworms, 2 cockroaches and 4 birds. Count the total number of legs, and the total number of wings, among all these animals. (3 marks)

In an X-ray of a hand, the student counts 27 bones. If both hands are X-rayed, how many bones will be seen? If each foot has 26 bones, how many bones are there in both hands and both feet together? (3 marks)

A fish swims 3 m in 2 seconds. How far will it swim in 10 seconds and in 1 minute at the same speed? Name the body part that pushes the fish forward. (3 marks)

Read the passage and answer the questions. Neha broke her arm while playing. The doctor took an X-ray and put her arm in a plaster cast, which kept her elbow straight. For three weeks she could not bend her arm. (i) Why did the doctor put on a plaster cast? (ii) Which joint could not move and what type is it? (iii) Name one joint in the arm that still allowed some movement. (5 marks)

Read the passage and answer the questions. Ravi watched an earthworm on wet soil. It stretched the front part of its body forward, held the ground, and then pulled the rest of its body forward. He also noticed it moved easily on rough paper but slipped on glass. (i) How does an earthworm move forward? (ii) What helps it grip the ground? (iii) Why does it slip on glass? (5 marks)

Read the passage and answer the questions. In a yoga class, students were asked to rotate their arms in full circles, bend their knees, and turn their necks slowly from side to side. (i) Which joint allows the arms to rotate in full circles? (ii) Which joint allows bending of the knees? (iii) Which joint allows the neck to turn? (5 marks)

Read the passage and answer the questions. At a pond, Sita watched fish moving quickly through water. Their bodies were pointed at both ends and broad in the middle. They moved their tails from side to side and used fins to stay balanced. (i) What is such a body shape called? (ii) What is the role of the tail? (iii) What is the role of the fins? (5 marks)

Read the passage and answer the questions. A pigeon sitting on a branch suddenly flew away when a cat came near. Its wings flapped rapidly. Later it landed and walked on the ground. (i) Name two features that help the pigeon fly. (ii) What helps it walk and perch? (iii) Why are its bones hollow? (5 marks)

Draw a labelled diagram of the human skeleton showing the skull, backbone, ribcage, shoulder bones, pelvic bones, arm bones and leg bones. Explain three functions of the skeleton. (6 marks)

Describe the four types of joints with one location and the type of movement allowed for each. Draw a labelled diagram of a ball and socket joint and a pivotal joint. (6 marks)

Draw a labelled diagram showing the pair of muscles in the upper arm when the arm is bent and when it is straightened. Explain how the muscles contract and relax to move the bones. (6 marks)

Draw labelled diagrams of an earthworm and a snail. Explain how each moves, including the role of muscles, bristles and the muscular foot. (6 marks)

Compare the movement of a cockroach, a bird, a fish and a snake under the headings: body parts used, type of surface or medium, and special features. Draw a labelled diagram of a bird showing wings, breastbone and tail. (6 marks)