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Very Short Question and Answers - Difference between Nervous and Hormonal Coordination

Q 1.
What is meant by nervous coordination?

Ans:

Nervous coordination is the process by which the nervous system uses neurons to send electrical impulses that coordinate and control the activities of the body in response to external or internal stimuli.

Q 2.
What is hormonal coordination?

Ans:

Hormonal coordination is the regulation and control of body processes through chemical messengers called hormones, which are secreted by endocrine glands and transported via the bloodstream.

Q 3.
Which type of coordination is faster: nervous or hormonal? Explain why.

Ans:

Nervous coordination is faster because it uses electrical impulses that are transmitted quickly along nerve fibers.

Q 4.
How are hormones transported in the body?

Ans:

Hormones are transported in the body through the bloodstream.

Q 5.
Name two organs involved in nervous coordination.

Ans:

Brain and spinal cord.

Q 6.
Name two glands involved in hormonal coordination.

Ans:

Pituitary gland and thyroid gland.

Q 7.
Which coordination has a more long-lasting effect?

Ans:

Hormonal coordination has a more long-lasting effect.

Q 8.
What are neurons?

Ans:

Neurons are specialized nerve cells that transmit information as electrical impulses in the nervous system.

Q 9.
Give an example of an action caused by nervous coordination.

Ans:

Withdrawing your hand quickly after touching something hot.

Q 10.
Give an example of a process regulated by hormonal coordination.

Ans:

Growth during adolescence, controlled by growth hormones.

Q 11.
Explain the difference in the area of effect between nervous and hormonal coordination.

Ans:

Nervous coordination is localized and affects specific tissues directly; hormonal coordination is widespread and can affect multiple organs.

Q 12.
What kind of messages are carried by the nervous system?

Ans:

Electrical impulses and neurotransmitter chemicals at synapses.

Q 13.
Describe the duration of effect for nervous coordination.

Ans:

The effects of nervous coordination are immediate but short-lived; they stop when the stimulus is removed.

Q 14.
Describe the duration of effect for hormonal coordination.

Ans:

The effects of hormonal coordination are usually long-lasting and can continue for hours, days, or even years.

Q 15.
Which type of actions can be controlled by nervous coordination: voluntary, involuntary, or both?

Ans:

Both voluntary (like walking) and involuntary (like reflexes) actions.

Q 16.
Is hormonal coordination responsible for voluntary actions? Explain.

Ans:

No, hormonal coordination mainly controls involuntary actions like growth, metabolism, and reproduction.

Q 17.
How do the nervous and hormonal systems work together to maintain homeostasis?

Ans:

They coordinate to ensure the body's internal environment remains stable; the nervous system provides quick adjustments, while hormones provide longer-term regulation.

Q 18.
Which hormone is responsible for regulating blood sugar, and which gland secretes it?

Ans:

Insulin, secreted by the pancreas.

Q 19.
What is the main function of the adrenal gland in hormonal coordination?

Ans:

It produces adrenaline, which prepares the body for 'fight or flight' response during stress.

Q 20.
Compare the speed and duration of nervous and hormonal responses using an example.

Ans:

Nervous responses such as blinking are fast and short-lived, while hormonal responses like growth during puberty are slow but last longer.

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