HARD
Upper Secondary-IGCSE
IMPORTANT
Earn 100

Complete the table to compare control and coordination by nerves and by hormones.
Feature
Control by neurons
Control by hormones
How information is transmitted between different parts of the body?
Speed of action
Duration of effect

Important Questions on Coordination and Response
HARD
Upper Secondary-IGCSE
IMPORTANT
Answer the labelled parts given in the above diagram in the form of a table.

HARD
Upper Secondary-IGCSE
IMPORTANT
Draw one arrow on each of parts B, C, and F to show the direction in which a nerve impulse travels.

MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Name the labelled parts with their functions in a tabular form.

HARD
Upper Secondary-IGCSE
IMPORTANT
Complete the below figure and add labels to show the eye when it is focused on a nearby object.

MEDIUM
Upper Secondary-IGCSE
IMPORTANT
Describe how changes occur in the eye when light enters from the nearby object by using words given in below.
(Ciliary muscles, Lens, Suspensory ligaments)

MEDIUM
Upper Secondary-IGCSE
IMPORTANT
As people get older, their lenses become less able to change the shape. Suggest how this may affect their vision.

EASY
Upper Secondary-IGCSE
IMPORTANT
Name the glands that secrete adrenaline.

EASY
Upper Secondary-IGCSE
IMPORTANT
Outline the effects of adrenaline.
