Dr. K C Trikha and N K Sehgal Solutions for Chapter: Reaching the Age of Adolescence, Exercise 1: Something To Know

Author:Dr. K C Trikha & N K Sehgal

Dr. K C Trikha Science Solutions for Exercise - Dr. K C Trikha and N K Sehgal Solutions for Chapter: Reaching the Age of Adolescence, Exercise 1: Something To Know

Attempt the free practice questions on Chapter 15: Reaching the Age of Adolescence, Exercise 1: Something To Know with hints and solutions to strengthen your understanding. The Living World A book of Science and Technology solutions are prepared by Experienced Embibe Experts.

Questions from Dr. K C Trikha and N K Sehgal Solutions for Chapter: Reaching the Age of Adolescence, Exercise 1: Something To Know with Hints & Solutions

EASY
8th CBSE
IMPORTANT

Endocrine glands release _____ into the blood stream. (Hormones / Antibodies)

EASY
8th CBSE
IMPORTANT

Deficiency of _____ reduces the absorption of calcium by the body. (Vitamin D / Vitamin A)

EASY
8th CBSE
IMPORTANT

_____ are chromosomes other than the sex chromosomes.

EASY
8th CBSE
IMPORTANT

Women, above the age of fifty, are (generally) unable to give birth to children. Explain the reason for the same.

MEDIUM
8th CBSE
IMPORTANT

Enlist the changes which occur in males and females during puberty.

EASY
8th CBSE
IMPORTANT

Discuss how the sex of the unborn child gets determined in human beings.

MEDIUM
8th CBSE
IMPORTANT

Enlist the events that regularly occur in the female reproductive system, after the onset of puberty, until menopause. 

MEDIUM
8th CBSE
IMPORTANT

Highlight the importance of exercise and good personal hygiene during adolescence.