MCQ-2: Coordination and Response

Which row shows the correct combination of muscle contractions and the pressure in the thorax when breathing out?

Which is not involved in removing the oxygen debt after a human has been exercising?

The diagram shows a synapse.

The diagram shows a synapse.

Which is the light sensitive part of the eye?

What is meant by the term phototropism?

Four processes occur when impulses cross a synapse.

• P      neurotransmitter diffuses across the gap
• Q      neurotransmitter binds with receptors
• R      impulse stimulates vesicles
• S      release of neurotransmitter

What is the correct sequence for these processes?

Which hormone is involved in the conversion of glucose to glycogen?

The diagram shows the structure of human skin.

What are X, Y and Z?

A seedling was placed in a horizontal position.
Which diagram shows the result of the gravitropic responses in the seedling?

The diagram shows the structures in a reflex arc.

What is X?

Which row describes accommodation when viewing a near object?

Hormones and the nervous system both control our bodies.
Which statement about the control provided by our hormones is correct?

What is the correct sequence in a reflex action?

The diagram shows the cross-section of an eye.

Which statement is true when a person views a near object?

Compared to the hormonal system, the responses of the nervous system are

In an experiment to investigate phototropism, a plant shoot is grown with light coming from one side only.
After two days, in which region has the greatest rate of growth occurred?

Which statement about light receptors in the retina of a normal human eye is correct?

A patient is injected with adrenaline.
Which graph shows the expected changes to pulse rate and blood glucose concentration?

Which statement about involuntary responses is correct?

The diagram shows the first part of a kidney tubule and its blood supply.
During filtration, protein molecules do not pass through the wall of the glomerulus.
Which part contains the highest concentration of protein?