Page 1 - 3.Home assignment II- Worksheet 1 -Secondary (1)

SAI International School
Subject- Biology, Class-VIII
Topic-Reaching the age of Adolescence
Subtopic- Secondary sexual characters-Role of hormones
in initiating reproductive functions
Module-21
Home Assignment- II
Worksheet-1

Q. No. Questions
Q1. Which of the following statement is true?
(a) Boys reach puberty at an earlier age than girls.
(b) Girls reach puberty earlier than boys.
(c) At the end of rapid growth, girls are normally heavier than boys.
(d) Between the age of 4 to 12, girls grow faster than boys.

Q2. Endocrine glands release hormones directly into ___________ for
transportation to the __________.

Q3. Match the following
Column I Column II
1. Boys develop hair on their chest i. in adolescent boy
2. Insecurity ii. In adolescent girls
3. Voice become hoarse iii. secondary sexual characters
4. Ovaries enlarge iv. intellectual and emotional changes

(a) 1- i, 2- ii, 3- iii, 4- iv
(b) 1- ii, 2- i, 3- iv, 4- iii
(c) 1- iv, 2- iii, 3- ii, 4- i
(d) 1- iii, 2- iv, 3- i, 4- ii

Q4. Choose the correct option from the following:
(a) If both Assertion and Reason are correct and Reason is the correct
explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct
explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If Assertion is incorrect but Reason is correct.

Assertion (A): Adolescents are more independent and self-conscious than
before.
Reason (R): Adolescence is a period in which boys and girls are passing
through mental, intellectual and emotional phase.

Q5. Choose the correct option from the following: