Nervous System GCSE Biology Questions and Answers

Nervous System GCSE Biology Questions and Answers

Question 1 (1.1, 1.2) 300 words

a)    Present the nervous system as a flow diagram in a similar format to the one in the example below and label its component parts, giving an account of their functions.

b)    Describe the autonomic nervous system.

Question 2 (1.3) 100 words

Using Illustrations, and a short commentary, describe the sensory and motor neuron.

Question 3 (1.3) 150 words

Explain, using illustrations, the function of a motor neuron and a sensory neuron in a reflex arc using the example of a knee jerk (patellar) reflex.

Question 4 (2.1, 2.3) 350 words

Describe and explain the transmission of an action potential in a myelinated neurone. Explain the importance of the myelin sheath and the refractory period in determining the speed of nervous impulses.

Question 5 (2.2) 100 words

Describe the all-or-nothing nature of nerve impulses.

Question 6 (3.1) 300 words

Describe the structure of a cholinergic synapse, and explain how it functions.

Question 7 (3.2) 200 words

The illustration below explains the role of synapses. Explain the role of the synapse in the nervous system in determining the direction of nerve impulse transmission, allowing the interconnection of nerve pathways.

Question 8 (3.3) 150 words

Regarding neuronal excitation, describe the role and effect of synaptic inhibition.

Word Count 1650