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Course: Combined Science 0653 — Biology
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Combined Science 0653 — Biology

B1. Characteristics of Living Organisms and Cells

0/27

B2. Biological Molecules and Enzymes

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B3. Plant Nutrition and Transport

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B4. Human Nutrition and Digestion

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B5. Transport in Humans

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B6. Respiration and Gas Exchange

0/14

B7. Coordination, Response and Homeostasis

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B8. Reproduction and Inheritance

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B9. Organisms and their Environment

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Quiz

Combined Science – B7.1 Nervous control – Check yourself

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Nervous control Combined Science check yourself quiz: free practice for Combined Science. Work through this Nervous control Combined Science check yourself quiz and get instant feedback on every answer. If you get stuck, review the B7.1 Nervous control: neurones, reflex arcs and synapses — Notes lesson. More practice: Combined Science — all units. Syllabus: Cambridge IGCSE qualifications.

  • Questions count: 15
  • Passing grade: B
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1.

The central nervous system consists of

nerves only
the heart and brain
the brain and spinal cord
sense organs
2.

A sensory neurone carries impulses

from the CNS to an effector
from a receptor to the CNS
within the CNS only
from muscle to gland
3.

A relay neurone is found

in the skin
in muscles
in the CNS
in glands
4.

A reflex action is

slow and learned
always voluntary
controlled by hormones
automatic and rapid
5.

The correct order of a reflex arc is

stimulus, receptor, sensory neurone, relay neurone, motor neurone, effector
receptor, effector, stimulus
motor neurone, relay, sensory
effector, receptor, CNS
6.

A synapse is

a type of muscle
a sense organ
a gland
a junction between two neurones
7.

At a synapse, the signal crosses the gap by

an electrical spark
diffusion of a neurotransmitter
blood flow
hormones
8.

Synapses ensure that impulses

travel in both directions
are slower in sensory neurones
travel in one direction only
stop completely
9.

Effectors are

sense organs
muscles and glands
neurones
receptors
10.

A nerve impulse is

a chemical in the blood
an electrical signal that passes along a neurone
a muscle contraction
a hormone
11.
Which step comes first in the sequence covered in this lesson?
Which step comes first in the sequence covered in this lesson?
Stimulus
Relay neuron (spinal cord)
Response
Receptor
12.
In the sequence covered in this lesson, which step comes immediately after Relay neuron (spinal cord)?
In the sequence covered in this lesson, which step comes immediately after Relay neuron (spinal cord)?
Motor neuron
Receptor
Sensory neuron
Response
13.
Which statement best describes Neuron?
Which statement best describes Neuron?
Plant growth response to a stimulus.
Nerve cell carrying electrical impulses.
Carries impulses from receptors to CNS.
Rapid automatic response via spinal cord.
14.
Which statement best describes Sensory neuron?
Which statement best describes Sensory neuron?
Chemical messenger carried in blood.
Gland secreting hormones into blood.
Nerve cell carrying electrical impulses.
Carries impulses from receptors to CNS.
15.
Complete the statement: A reflex arc passes through the ______.
Complete the statement: A reflex arc passes through the ______.
spinal cord
Reflex arc
Synapse
Sensory neuron
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Part of B7. Coordination, Response and Homeostasis — see every lesson and quiz in this unit.
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