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NCERT Class 10 Chapter 6 Control and Coordination CBSE Board Sample Problems Very Short Answer
Question
Name the largest cell present in the human body.
Solution
Neuron or nerve cell.
Question
Enlist the alternative name for βHormonesβ .
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 is 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 is 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