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Karnataka Board PUCPUC Science Class 11

On an educational trip to Uttaranchal, Ketki and her friends observe that many local people were having swollen necks. - Biology

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Question

On an educational trip to Uttaranchal, Ketki and her friends observe that many local people were having swollen necks. Please help Ketki and her friends to find out the solutions to the following questions.

How is it caused?

Short/Brief Note
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Solution

It is caused due to the deficiency of iodine in the diet that results in hyperthyroidism and enlargement of the thyroid gland.

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Chapter 22: Chemical Coordination and Integration - Exercises [Page 127]

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NCERT Exemplar Biology [English] Class 11
Chapter 22 Chemical Coordination and Integration
Exercises | Q 3. b. | Page 127

RELATED QUESTIONS

State the exact location of the Thyroid gland.


Name the hormone responsible for the following function:
Regulates basal metabolism


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Give the Technical Term: Name the hormones which lead to the following condition: Exophthalmic goitre


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On an educational trip to Uttaranchal, Ketki and her friends observe that many local people were having swollen necks. Please help Ketki and her friends to find out the solutions to the following questions.

Which probable disease are these people suffering from?


Describe role of hormones secreted by thyroid gland.


What is the difference between Gull's and Grave's disease?


Match the items given in Column I with the most appropriate ones in Column II and rewrite the correct Matching pairs:

Column I Column II
(a) Hyposecretion of Thyroxine in adults 1. Diabetes insipidus
(b) Hyposecretion of Insulin 2. Myxedema
(c) Hypersecretion of Growth Hormone in Childhood 3. Dwarfism
(d) Hyposecretion of ADH 4. Gigantism
(e) Hypersecretion of Thyroxine 5. Diabetes mellitus
    6. Exophthalmic goitre
    7. Cretinism

List the hormones secreted by the following:

Thyroid


Oversecretion of thyroxin causes ______ goitre.


Name the following:

Symptoms of cretinism.


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