NCERT Class VIII Science Solutions: Chapter 10-Reaching the age of Adolescence Part 1

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Question 20:

In Fig mark the positions of the endocrine glands which release the hormones that:

  1. Controls the release of sex hormones

  2. Is responsible for the secondary sexual characters in boys

  3. Prevents diabetes

  4. Maintains the correct salt balance in the blood

Result for the positions of the endocrine glands (A)

The Positions of the Endocrine Glands (Q)

Result for the positions of the endocrine glands (A)

Answer:

Result for the positions of the endocrine glands (A)

The Positions of the Endocrine Glands (A)

Result for the positions of the endocrine glands (A)

Question 21:

Given below are certain food items required for proper nourishment of adolescents. Name the nutrients present in the food items and write their functions.

Food Items, Major Nutrient and Functions (Q)
Food items, Major Nutrient and Functions (Q)

S. No.

Food items

Major Nutrient

Functions

1.

Pulses and nuts

2.

Oranges and Amla

3.

Sugar, Roti

4.

Oils

5.

Vegetables

Answer:

Food Items, Major Nutrient and Functions (A)
Food items, Major Nutrient and Functions (A)

S. No.

Food items

Major Nutrient

Functions

1.

Pulses and nuts

Proteins

Growth, repair of body cells

2.

Oranges and Amla

Iron and Vitamins

Formation of blood keeps the body healthy

3.

Sugar, Roti

Carbohydrates

Provide energy

4.

Oils

Fats

Provide energy

5.

Vegetables

Vitamins and Minerals

Keeps the body healthy and disease free

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