Biology 0610 · IGCSE · Coordination and response

Coordination and response — practice question

Nervous coordination relies on specialised cells known as neurones. Fig. 2.1 shows a diagram of three neurones.
(a)[1]

State the name of the neurone type labelled U.

(b(i))[1]

State the word or phrase from the list that names a junction between two neurones.

(b(ii))[1]

State the word or phrase from the list that describes a nerve impulse.

(c)[3]

Place ticks (✓) in the boxes beside the statements that describe the human nervous system. The statements are: includes the brain and spinal cord; is made up of the brain, heart and spinal cord; consists of the central nervous system only; consists of the central and peripheral nervous system; coordinated by hormones; coordinates and regulates body functions.

(d)[2]

Name four chemical elements that are present in every protein.

(e)[4]

Draw four lines to pair each large molecule with the smaller molecule it is made from. Large molecules: cellulose, fat, glycogen and starch, protein. Smaller molecules: amino acids, fatty acids and glycerol, glucose.

Worked solution & mark scheme

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