Question

name the hormones of following:
a) A frightened person
b) Growth of a child to adult
c) Development of Caterpillar in to moth
d) Development of tadpole to frog​
need urgently

Answer 1

Name the hormones of following:

a) A frightened person.

Ans. Adrenaline

→ Adrenaline is rapidly secreted in response to any kind stress and during emergency situations that's why they are also known as emergency hormones.

____________________________

b) Growth of a child to adult

Ans. Growth Hormone

→ Growth hormone is produced by the pituitary gland. Increased level of growth hormones causes gigantism. Insufficient amount of growth hormone in the body causes dwarfism.

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c) Development of Caterpillar into moth

Ans. Insect Hormone

→ Insects hormones are produced and used by insects for regulation of developmental, physiological and behavioural events.

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d) Development of tadpole to frog

Ans. Thyroxine

→ The process of development of tadpole to an adult frog is called metamorphosis. Thyroxine is secreted into the bloodstream by the thyroid gland

Answer 2

Explanation:

a) A frightened person

Ans:- Adrenaline

Adrenaline and noradrenaline are rapidly secreted in response to the stress of any kind(For example, frightened person) and during emergency situations and are called emergency hormones or hormones of Fight or Flight.

b) Growth of a child to adult

Ans:-Growth Hormone

Growth hormone would be released during the growth of a child to adult. The growth hormone is also known as somatotropin or somatotrophic hormone. ‘Soma’ means body and ‘trophe’ means nourishment. It regulates the growth of the body by promoting protein anabolism, intestinal absorption of calcium, conservation of glucose etc. It helps in synthesis and depositing of proteins, growth of long bones and other parts of the skeleton.

c) Development of Caterpillar in to moth

Ans:- Insect Hormone

Development of caterpillar to moth requires moulting and is controlled by Insect hormone, ecdysone.

d) Development of tadpole to frog

Ans:- Thyroxine

In frogs, growth and metamorphosis (development of frog from tadpole stage to adult stage) is regulated by thyroxine gland. So, the correct answer is 'Thyroxine'.

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