IGCSE Coordination & Response Quiz

Which type of cells do all sense organs contain?

• ciliated

• effector

• mesophyll

• receptor

The diagram shows a cell.

What type of cell is shown?

• ciliated cell

• motor neurone

• relay neurone

• sensory neurone

When a bright light is shone into the eye, the diameter of the pupil decreases.

What is this an example of?

• accommodation

• a simple reflex

• photosynthesis

• voluntary response

The diagram shows blood vessel P which carries digested food from the small intestine to the liver.

Which row describes the level of glucose in blood vessel P and the level of glycogen in the liver, shortly after a meal containing carbohydrates?

• glucose in blood vessel P = high; glycogen in liver = decreasing.

• glucose in blood vessel P = high; glycogen in liver = increasing.

• glucose in blood vessel P = low; glycogen in liver = decreasing.

• glucose in blood vessel P = low; glycogen in liver = increasing.

The diagram shows a neurone carrying an impulse.

Which row describes the type of neurone and the direction of impulse?

Which choice describes the type of neurone and the direction of impulse?

• type of neurone = motor; direction of impulse = towards the spinal cord

• type of neurone = motor; direction of impulse = away from the spinal cord

• type of neurone = sensory; direction of impulse = towards the spinal cord

• type of neurone = sensory; direction of impulse = away from the spinal cord

The diagram shows some bones and muscles in a leg of a human.

What happens to muscle Y and to the leg at joint Z, when muscle X contracts?

• muscle Y contracts; leg bends at joint Z

• muscle Y contracts; leg straightens at joint Z

• muscle Y relaxes; leg bends at joint Z

• muscle Y relaxes; leg straightens at joint Z

What happens when a person's body temperature rises above normal?

• blood vessels in the surface of the skin constrict; sweat production decreases.

• blood vessels in the surface of the skin constrict; sweat production increases.

• blood vessels in the surface of the skin dilate; sweat production decreases.

• blood vessels in the surface of the skin dilate; sweat production increases.

The diagram shows some of the muscles and bones of the human arm.

When muscle X contracts, what happens to the arm and what happens to muscle Y?

• arm bends; muscle Y contracts

• arm bends; muscle Y relaxes

• arm straightens; muscle Y contracts

• arm straightens; muscle Y relaxes

The diagram shows a section through part of the human eye.

When a person looks at an object which is close to their eye, which of the following takes place?

• suspensory ligaments slacken; lens becomes fatter

• suspensory ligaments slacken; lens becomes thinner

• suspensory ligaments tighten; lens becomes fatter

• suspensory ligaments tighten; lens becomes thinner

After a meal, the concentration of blood glucose increases.

What then causes the concentration of blood glucose to return to normal?

• adrenalin

• blood cells

• insulin

• platelets