Nervous Co-ordination · CAPE Biology Unit 2
48 past-paper questions on Nervous Co-ordination, part of Biosystems Maintenance, from every CAPE Biology Unit 2 paper on Quelpr.
- 2(a)(i)5 marks· Biology · Unit 2 Q2 2(a)(i)In the space below, construct an annotated diagram of the motor neuron provided in Figure 3. Show the magnification of your drawing.
- 2(a)(i)1 mark· Biology · Unit 2 Q2 2(a)(i)State ONE function of the Cerebrum.
- 2(a)(ii)2 marks· Biology · Unit 2 Q2 2(a)(ii)State the TWO main functions of synapses.
- 2(a)(ii)1 mark· Biology · Unit 2 Q2 2(a)(ii)State ONE function of the Cerebellum.
- 2(a)(iii)1 mark· Biology · Unit 2 Q2 2(a)(iii)State ONE function of the Medulla.
- 2(a)(iii)6 marks· Biology · Unit 2 Q2 2(a)(iii)Outline the sequence of events that occurs when an action potential reaches a synapse.
- 2(b)1 mark· Biology · Unit 2 Q2 2(b)Name a specialized cell found in the nervous system.
- 2(b)2 marks· Biology · Unit 2 Q2 2(b)Explain how Philip's brain damage may have resulted in his loss of sight even though the physical structures of his eyes remain intact.
- 2(d)(i)4 marks· Biology · Unit 2 Q2 2(d)(i)Explain how the response to a named stimulus is important for the survival of EACH of the following organisms. Earthworm: Stimulus, Response, How response aids survival.
- 5(a)8 marks· Biology · Unit 2 Q5 5(a)Explain the mechanisms by which a nerve cell membrane is able to conduct an action potential and give an analysis of TWO factors that affect the rate of conduction.
- 5(a)2 marks· CAPE Biology Unit 2 · 2003 · Paper 1Identify the structures labelled 1 to 4 in Figure 6.
- 5(b)(i)2 marks· CAPE Biology Unit 2 · 2003 · Paper 1What is the role of calcium ions at location 2?
- 5(b)(ii)2 marks· CAPE Biology Unit 2 · 2003 · Paper 1What is the role of protein structures found on the surface of location 4?
- 5(c)(i)1 mark· CAPE Biology Unit 2 · 2003 · Paper 1Suggest the effects of preventing neurotransmitter degradation on the postsynaptic neuron.
- 5(c)(ii)1 mark· CAPE Biology Unit 2 · 2003 · Paper 1Suggest the effects of preventing neurotransmitter degradation on the ability of the presynaptic neuron to rebuild synaptic vesicles.
- 5(d)2 marks· CAPE Biology Unit 2 · 2003 · Paper 1Give TWO reasons why the method of transmission at K increases the ability of the synapse to exert controls.
- 7(a)(i)2 marks· CAPE Biology Unit 2 · 2004 · Paper 2Distinguish between a motor and a sensory neuron.
- 7(a)(ii)8 marks· CAPE Biology Unit 2 · 2004 · Paper 2Describe the specialised structures AND the functions of the parts of a neuron.
- 7(b)5 marks· CAPE Biology Unit 2 · 2004 · Paper 2Cocaine blocks the re-uptake of the neurotransmitter dopamine into the pre-synaptic neuron. Acetylcholine is the only neurotransmitter released at the synapses between neurons and skeletal muscles. Acetylcholine is…
- 7(c)5 marks· CAPE Biology Unit 2 · 2004 · Paper 2Compare the transmission of an action potential along a myelinated neuron with transmission along an un-myelinated neuron.
- 2(a)(i)6 marks· CAPE Biology Unit 2 · 2006 · Paper 2Use the grid provided to show the results in Table 1 graphically.
- 2(a)(ii)2 marks· CAPE Biology Unit 2 · 2006 · Paper 2State TWO differences between the peaks in A and B.
- 2(a)(iii)1 mark· CAPE Biology Unit 2 · 2006 · Paper 2State ONE cause of the differences between the membrane potentials reached in A and B.
- 2(b)1 mark· CAPE Biology Unit 2 · 2006 · Paper 2On the diagram in Figure 3, complete the labelling of the nerve cell.
- 7(a)(i)3 marks· CAPE Biology Unit 2 · 2007 · Paper 2Draw a large, clear section through a synapse, labelling the pre- and post-synaptic membranes.
- 7(a)(ii)2 marks· CAPE Biology Unit 2 · 2007 · Paper 2Label FOUR additional structures on your drawing of a synapse.
- 7(a)(iii)5 marks· CAPE Biology Unit 2 · 2007 · Paper 2Describe briefly the sequential steps occurring in the transmission of an impulse across a synapse and its reception at the post-synaptic membrane.
- 7(b)(i)3 marks· CAPE Biology Unit 2 · 2007 · Paper 2Clarify the role and mode of action of synapses in the event where waking cries of a baby in the bedroom gradually penetrate awareness.
- 7(b)(ii)3 marks· CAPE Biology Unit 2 · 2007 · Paper 2Clarify the role and mode of action of synapses when holding onto a painfully hot dish because it is prized china, overriding the reflex to drop it.
- 5(a)6 marks· CAPE Biology Unit 2 · 2008 (T&T) · Paper 2Describe the basic structure of a myelinated motor neurone.
- 5(b)6 marks· CAPE Biology Unit 2 · 2008 (T&T) · Paper 2Explain the electrical basis of a nerve impulse in relation to the structure of a neurone.
- 5(c)3 marks· CAPE Biology Unit 2 · 2008 (T&T) · Paper 2Citing three main phases of activity, discuss how a neurone transmits an impulse upon receiving a stimulus.
- 5(a)(i)5 marks· CAPE Biology Unit 2 · 2010 · Paper 2Use an annotated diagram ONLY to describe the structure of a motor neurone.
- 5(a)(ii)4 marks· CAPE Biology Unit 2 · 2010 · Paper 2A farmer has been exposed to an insecticide that inhibits the enzymatic breakdown of acetylcholine. Explain why this causes muscular twitching and spasms in the farmer.
- Q291 mark · multiple choice· CAPE Biology Unit 2 · 2011 · Paper 1Item 29 refers to the diagram below showing the gap between two neurones. Where is acetyl choline stored and secreted?
- Q281 mark · multiple choice· CAPE Biology Unit 2 · 2012 · Paper 1The speed of transmission of a nerve impulse is affected by the
- Q291 mark · multiple choice· CAPE Biology Unit 2 · 2012 · Paper 1Where is acetylcholine stored and secreted?
- Q301 mark · multiple choice· CAPE Biology Unit 2 · 2012 · Paper 1Which region assists in speeding up the conduction of nerve impulses?
- 5(a)(i)2 marks· CAPE Biology Unit 2 · 2012 · Paper 2Explain what is meant by the term 'synaptic transmission'.
- 5(a)(ii)5 marks· CAPE Biology Unit 2 · 2012 · Paper 2Outline the MAIN steps in the chemical transmission of an action potential across a synapse (no diagrams required).
- Q291 mark · multiple choice· CAPE Biology Unit 2 · 2013 · Paper 1Item 29 refers to the following diagram. Diffusion of sodium ions into the axon occurs at
- Q301 mark · multiple choice· CAPE Biology Unit 2 · 2014 · Paper 1Which of the following correctly identifies the substances moving across the membranes at points 1, 2, 3 and 4?
- 5(b)(i)6 marks· CAPE Biology Unit 2 · 2014 · Paper 2Mammalian neurones in a resting state normally have a membrane potential of approximately -70 millivolts. If the plasma membrane is depolarized an action potential is generated. Outline the main steps in the…
- 5(b)(ii)3 marks· CAPE Biology Unit 2 · 2014 · Paper 2A common practice in dentistry is the use of local anesthetic injections of Lidocaine to numb a target area. Lidocaine is known to bind to receptor sites of sodium channels. Suggest, giving a brief explanation, what…
- Q291 mark · multiple choice· CAPE Biology Unit 2 · 2015 · Paper 1Diffusion of sodium ions into the axon occurs at
- Q301 mark · multiple choice· CAPE Biology Unit 2 · 2015 · Paper 1Which of the following are functions of a mammalian synapse? I. Acts as a junction II. Filters out low-level stimuli III. Passes impulses in both directions IV. Transmits information between neurones
- 5(b)7 marks· CAPE Biology Unit 2 · 2016 · Paper 2Explain the term 'neuromuscular junction', and using knowledge of synaptic transmission, explain why Myasthenia Gravis (MS) causes progressive weakening of skeletal muscles. (Full details of synaptic transmission steps…
- 5(b)7 marks· CAPE Biology Unit 2 · 2018 · Paper 2The potential difference across the membrane of a resting neurone is approximately −70 mV. Explain the role of the membrane in maintaining this resting potential.