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Sensitivity and Coordination

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

COMPLETE: The nervous system is made up of two systems...

(a)  

2.

The _______ receive messages and send them to the central nervous system.

a)

Motor neurons

b)

Sensory neurons

c)

Relay neurons

3.

What is an effector ?

a)

also known as nerve impulse

b)

part of body that carry out response example muscle and gland

c)

organ or cell that respond to stimuli example eyes and skin

d)

the signal that travel along the nerve cell

4.

What is a receptor ?

a)

the signal that travel along the nerve cell

b)

also known as nerve impulse

c)

organ or cell that respond to stimuli example eyes and skin

d)

part of body that carry out response example muscle and gland

5.
Changes in an organism's environment that cause a response
a)
Tropism
b)
Hormone
c)
Stimuli
d)
Response
6.
Which of the following is an organism’s reaction to a change in its surroundings?
a)
response 
b)
distraction
c)
stimulus
d)
development
7.

What is the response in the above activity?

a)

catching the ruler

b)

voluntary action

c)

release the ruler

d)

involuntary action

8.

What is an example of a stimulus for plants?

a)

Touch

b)

Light

c)

Gravity

d)

Water

e)

all of the above

9.

Motor neurons transmit impulses ______

a)

to the CNS from the effector

b)

to the effector from the receptor

c)

from the CNS to the receptor

d)

from the CNS to the effector

10.

Identify the neuron shown above

a)

Motor neuron

b)

Relay neuron

c)

Sensory neuron

11.

The receptors on the tongue are called

a)

auditory nerves

b)

taste buds

c)

sensitive hairs

d)

sensory cells

12.

Which of the following CORRECTLY describes the typical nervous pathway?

a)

receptor -> sensory neuron -> relay neuron -> motor neuron -> effector

b)

effector -> sensory neuron -> relay neuron -> receptor -> motor neuron

c)

receptor -> motor neuron -> relay neuron -> sensory neuron -> effector

d)

effector -> sensory neuron -> relay neuron -> motor neuron -> receptor