NCERT Class 10 Chapter 6 Control and Coordination CBSE Board Sample Problems Very Short Answer

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Question

Name the largest cell present ¡n the human body.

Solution

Neuron or nerve cell.

Question

Enlist the alternative name for “Hormones”.

Solution

Chemical coordinators (messengers).

Question

The sensation of feeling full is because of centre associated with hunger is present in which part of brain.

Solution

Fore brain

Question

What will happen if intake of iodine in our diet is low?

Solution

When iodine intake is low, release of thyroxin from thyroid gland will be less by which protein, carbohydrates and fat metabolisms will be affected. A person might suffer from Goitre in case of iodine deficiency in the body.

Question

Why roots are called positively geotropic?

Solution

This is because the roots always grow towards the gravity of the earth.

Question

Name the hormone responsible for regulation of blood pressure.

Solution

Adrenaline

Question

State the main function of Abscisic acid in plants.

Solution

Abscisic acid slows plant growth and inhibits division of cells.

Question

Name two tissues that provide control and coordination in multi-cellular animals.

Solution

The two tissues that provide control and coordination in multi-cellular animals are nervous tissue and muscular tissue.

Question

Which hormone helps in lowering the level of blood glucose in human beings?

Solution

Insulin

Question

What ¡s the function of the fluid filled in the brain?

Solution

It prevents the brain from mechanical shocks.

Question

Why reflex arcs have evolved in animals?

Solution

Because the thinking process of the brain is not fast enough.

Question

What ¡s an important feature of hormones?

Solution

They produce their effect on the target organ away from the site of release.

Question

Name the plant hormone which inhibits growth.

Solution

Abscisic acid

Question

The nervous system gets information from our sense organs and acts through___.

Solution

Muscles

Question

______receptors detect taste.

Solution

Gustatory

Question

Name parts of brain

Solution

Cerebrum, cerebellum, mid brain

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