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Biology 10 Chapte 12 - Coordination and Control - 2
1.
Which of the following organ detects chemicals in air?
a) Nose
b) Eyes
c) Ears
d) Tongue
2.
Which of the following component of coordinated action is defined as the organs, tissues or cells which are specifically built to detect particular type of stimuli?
a) Receptors
b) Coordinators
c) Response
d) Effectors
3.
Which of the following are the organs that receive information from receptors and send messages to particular organs?
a) Effectors
b) Coordinators
c) Stimuli
d) Receptors
4.
Coordinators receive information from..........?
a) Receptors
b) Effectors
c) Endocrine glands
d) Bones
5.
Point out the coordinator in nervous coordination?
a) Brain
b) Both b and c
c) None of these
d) Spinal cord
6.
In nervous coordination, which out of the following receive information and send messages to effectors?
a) Brain
b) Both b and c
c) None of these
d) Spinal cord
7.
In nervous coordination, which one of the following sends information from receptors to effectors?
a) Blood cells
b) Carbohydrates
c) Neurons
d) Proteins
8.
In nervous coordination, in which of the following form information is sent to effectors?
a) Hormones
b) Chemicals
c) Nerve impulses
d) Blood cells
9.
In chemical coordination, which one of the following acts as coordinator?
a) Spinal cord
b) Endocrine glands
c) Brain
d) All of these
10.
In chemical coordination, in which of the following form information is received?
a) Blood cells
b) Nerve impulses
c) Chemicals
d) Energy
11.
In chemical coordination, how information is sent to effectors?
a) Through blood cells
b) Through neurons
c) By secreting particular hormones
d) By sending nerve impulses
12.
Which out of the following are the parts of the body which receive messages from the coordinators and produce particular responses?
a) Stimuli
b) Coordinators
c) Receptors
d) Effectors
13.
In nervous coordination, which out of the following acts as effectors?
a) Bones
b) Muscles
c) Liver
d) Nephrons
14.
In chemical coordination, which out of the following acts as effectors?
a) Nephrons
b) Liver
c) Bones
d) All of these
15.
Bones and liver acts as ................... for many hormones?
a) Coordinators
b) Receptors
c) Stimuli
d) Effectors
16.
What is the action called that is performed by effectors on receiving message from coordinators?
a) Stimuli
b) Coordination
c) Response
d) None of these
17.
Pulling our hand away from something very hot is an example of...........?
a) Stimuli
b) Response
c) All of these
d) Coordination
18.
The movement of sunflower towards light is an example of..............?
a) Response
b) None of these
c) Coordination
d) Stimuli
19.
Which of the following response do nervous coordination shows?
a) Short-living response
b) No response
c) Slow response
d) Long-living response
20.
Which of the following response do chemical coordination shows?
a) No response
b) Long-living response
c) Immediate response
d) Short-living response
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