B1.2 The nervous system GCSE items that can be used to define successful outcomes for peer and self...

B1.2 The nervous system

GCSE items that can be used to define successful outcomes for peer and self assessment activities

Using Exam pro items to support successful outcomes

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Learners will be able to test their progress against learning outcomes using questions taken from past AQA GCSE examinations.

• B1.2 The nervous system

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The nervous system allows humans to react to their surroundings.

(a)Sense organs have receptors. Receptors detect changes in the environment.

Which word describes a change in the environment?Underline one answer.

an effector a neurone a stimulus (1

mark)

• B1.2 The Nervous System June 2012 BL1FPJune 12

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1 (b) The photograph shows a baby.Labels A, B, C, D and E show some of the baby’s sense organs.

B A

E

D

C

• B1.2 The Nervous System June 2012 BL1FP

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Answer each question by writing one letter, A, B, C, D or E, in each box.

1 (b) (i) Which sense organ has receptors sensitive to light?

(1 mark)

1 (b) (ii) Which two sense organs have receptors sensitive to chemicals?

and (2 marks)

1 (b) (iii) Which sense organ has receptors sensitive to changes in the baby’s position?

(1 mark)

• B1.2 The Nervous System June 2012 BL??

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1 (c) Information from sense organ A is passed along nerve cells.

The information is coordinated to produce a response.

Which organ in the body coordinates the information? ..................................................................................................................................

(1 mark)

• B1.2 The Nervous System June 2012 BL1FP

Mark scheme

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(a) a stimulus 1(b)(i) A1(b)(ii) CD either order 2(b)(iii)E 1(c) G brain allow spinal cord / CNS /

central nervous systemdo not allow spine 1

Total 6

• B1.2 The Nervous System June 2012 BL1FPQ1

Higher

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The diagram shows the nervous pathway used to coordinate the knee-jerk reflex.

When the person is hit at point P,the lower leg is suddenly raised.

• B1.2 The Nervous System June 2012BL1HP

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(a) Name neurones A, B and C.

A ....................................................................................................................

B ……………......................................................................................................

C ..................................................................................................................... (3 marks)

(b) The receptor in the muscle in the leg is sensitive to a stimulus.

Suggest the stimulus.

............................................................................................................................... (1 mark)


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(c) Describe what happens at the synapse during this reflex.

…………………………………………………………………………………………………………

…………………………………………………………………………………………………………

…………………………………………………………………………………………………………

…………………………………………………………………………………………………………

…………………………………………………………………………………………………………

………………………………………………………………………………………………………… (3 marks)


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• B1.2 The Nervous System June 2012 Mark scheme

B1.2 The nervous system GCSE items that can be used to define successful outcomes for peer and self...

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