Sl no. Hormones Functions Correct Match 1. Testosterone Development of breast in females 2. Adrenaline Controls the rate of metabolism 3. Insulin Prepares the body for emergency 4. Oestrogen Regulates the amount of sugar in blood 5. Thyroxine Helps to produce sperms in males

1. Testosterone- Helps to produce sperms in males. Testosterone is the primary male sex hormone which helps to produce sperms in males and in the development of male reproductive organs such as testes. It also helps in the development of secondary sexual characteristics during puberty. 2. Adrenaline- Prepares the body for emergency. Adrenaline is the hormone produced by the adrenal medulla which prepares the body during conditions of an emergency. It does so by increasing the heartbeat, increases blood pressure, sweating, etc. 3. Insulin- Regulates the amount of sugar in blood. Insulin is the hormone secreted by the pancreas which is essential to regulate the amount of sugar in the bloodstream. It lowers the blood glucose level by stimulating the deposition of glycogen granules. 4. Oestrogen- Development of breast in females. Oestrogen is one of the main female sex hormones that stimulate the growth of secondary female characteristics at puberty such as the development of breasts. It also stimulates the ovary to release ovum every month thus starting the menstrual cycle. 5.Thyroxine- Controls the rate of metabolism Thyroxine is secreted by the thyroid gland in order to control the rate of metabolism, digestion, heart and muscle function, etc. in the body. The element iodine is essential for its production whose deficiency in the body causes Goitre. Sl no. Hormones Functions Correct Match 1. Testosterone Development of breast in females 4 2. Adrenaline Controls the rate of metabolism 5 3. Insulin Prepares the body for emergency 2 4. Oestrogen Regulates the amount of sugar in blood 3 5. Thyroxine Helps to produce sperms in males 1

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CBSE Concise Biology Part 3>Chapter 2 - Control & Coordination>EXERCISES (UNSOLVED)>Q 3

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The plant hormone responsible for the wilting and falling of leaves.

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Important Questions on Control & Coordination

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CBSE Concise Biology Part 3>Chapter 2 - Control & Coordination>EXERCISES (UNSOLVED)>Q 4

The scientific name of the sensitive plant.

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CBSE Concise Biology Part 3>Chapter 2 - Control & Coordination>EXERCISES (UNSOLVED)>Q 5

Name the plant hormone that makes a stem to bend towards light.(Auxin/ Gibberellins/ Cytokinins)

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CBSE Concise Biology Part 3>Chapter 2 - Control & Coordination>EXERCISES (UNSOLVED)>Q 6

The main thinking part of the brain. (Cerebrum/Hypothalamus/Medulla oblongata)

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CBSE Concise Biology Part 3>Chapter 2 - Control & Coordination>EXERCISES (UNSOLVED)>Q 7

The part of the eye which contains the cells that are sensitive to light.

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CBSE Concise Biology Part 3>Chapter 2 - Control & Coordination>EXERCISES (UNSOLVED)>Q 8

Name the disease caused by the deficiency of insulin hormone in the body. (Diabetes/ Ulcer/ Hypertension)

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CBSE Concise Biology Part 3>Chapter 2 - Control & Coordination>EXERCISES (UNSOLVED)>Q 9

Name the gland which secretes the growth hormone.

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CBSE Concise Biology Part 3>Chapter 2 - Control & Coordination>EXERCISES (UNSOLVED)>Q 10

The halogen element that is necessary for making thyroxine.

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CBSE Concise Biology Part 3>Chapter 2 - Control & Coordination>EXERCISES (UNSOLVED)>Q 1

Sl no.	Hormones	Functions	Correct Match
1.	Testosterone	Development of breast in females
2.	Adrenaline	Controls the rate of metabolism
3.	Insulin	Prepares the body for emergency
4.	Oestrogen	Regulates the amount of sugar in blood
5.	Thyroxine	Helps to produce sperms in males

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