Test understanding. select the Correct Answer
Which of the following is a function of the skeleton?
- Protecting the inner organs
- Giving the body its shape
- Producing some red blood cells and white blood cells
- All of these
Which of the following helps the movement of a bird?
- Streamlined body and bones wit air spaces
- Forelimbs modified into wings
- Air sacs connected to lungs and massive flight muscle
- All of these
Which of the following helps the movement of a snake?
- A large number of vertebrae, ribs and associated muscles push the body forward.
- The muscles connected with three pairs of legs and two pairs of wings helps in the movement.
- Alternate extension and contraction of the body affected by the muscles and minute movable bristles help in gripping the ground.
- Movement by muscular foot.
Which of the following helps the movement of a snail?
- A large number of vertebrae, ribs and associated muscles push the body forward.
- The muscles connected with three pairs of legs and two pairs of wings helps in the movement.
- Alternate extension and contraction of the body affected by the muscles and minute movable bristles help in gripping the ground.
- Movement by muscular foot.
Which of the following helps the movement of a cockroach?
- A large number of vertebrae, ribs and associated muscles push the body forward.
- The muscles connected with three pairs of legs and two pairs of wings helps in the movement.
- Alternate extension and contraction of the body affected by the muscles and minute movable bristles help in gripping the ground.
- Movement by muscular foot.
Which of the following helps the movement of an earthworm?
- A large number of vertebrae, ribs and associated muscles push the body forward.
- The muscles connected with three pairs of legs and two pairs of wings helps in the movement.
- Alternate extension and contraction of the body affected by the muscles and minute movable bristles help in gripping the ground.
- Movement by muscular foot.
Which of the following helps the movement of a fish?
- Streamlined body
- Air-filled swim bladders and strong muscles
- Paired and unpaired fins
- All of these
Which of the following does not have an exoskeleton?
- Snail
- Cockroach
- Human
- Crabs
Which of the following is a fixed joint?
- Upper jaw
- Skull
- Both upper jaw and skull
- None of these
What is the name of the smaller bones which form the backbone?
- Rib
- Vertebrae
- Joint
- Bristle