CBSE Class 8 Science Reaching the age of adolescence

Scroll down for PDF

CBSE Class 8 Science Reaching the age of adolescence. Learning the important concepts is very important for every student to get better marks in examinations. The concepts should be clear which will help in faster learning. The attached concepts made as per NCERT and CBSE pattern will help the student to understand the chapter and score better marks in the examinations. 

Reaching the age of adolescence.

Q1. what is adolescence.?

A1. It is the period of life when the body undergoes changes, leading to reproductive maturity.

Q2. Define puberty.

A2. The stage when human body becomes sexually mature.

Q3. Enlist the changes occurring in males and females during puberty.


Q4. What is adam’s apple?

A4. The growing voice box in boys can be seen as a protruding part of the throat called adam’s apple.

Q5. What are secondary sexual characters?

A5. These are the features that help to distinguish males from females.

Q6. Define the following terms.

1. Hormone- they are chemical messengers for various processes and activities in the body

2. Endocrine glands- the ductless glands which secrete hormones directly into blood.

Q7. What is the role of hormones in initiating reproductive function?

A7. 1. Hormones from pituitary stimulate testes and ovaries to release testosterone and estrogen respectively.

Please click the link below to download pdf file for CBSE Class 8 Science Reaching the age of adolescence.


Click on the text For more study material for Science please click here - Science

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

Simple tips to Excel in Examinations

We are entering the last quarter of the Academic Session. With examinations just around the corner, I am sure all of us are carrying a mixed bag of Stress, Excitement, and Anxieties!! So, first and foremost- Let’s be Positive and Futuristic! It’s most important to...

Error in the evaluation of answer sheets in CBSE

The education board has witnessed many events where invigilators are being suspended for allotting wrong marks to the students.  This has affected students mainly of classes X and XII in the 2019 CBSE Board Exams. The central board of secondary education has taken...

CBSE to conduct a voluntary test for class 11th and 12th

Nowadays students have the liberty to choose the field they seem to fit in. A few years back the problem was parents who burdened children with their own choices. On the other side, now students along with their parent's support are free to choose their field. Not any...

CBSE Circular Aryabhatta Ganit Challenge

For students with a keen interest in mathematics are now provided with a better opportunity to explore their knowledge. CBSE has announced to conduct an exam for the purpose of generating interest in maths among students. It is a trial to clarify the myth that...

Requirements for admissions in CBSE affiliated Schools

CBSE gives an advanced form of education. They try to indulge students in interactions and teach application based subjects along with some others. Due to this preponderance of parents, they tend to admit their children in CBSE affiliated schools. General conditions...

CBSE examination board hike the fee for class 10th and 12th

The CBSE (Central Board Secondary Education) increased the examination fees for classes 10 and 12 of the 2020 boards, with no profit no loss principle, from Rs. 750 to Rs 1500, for all categories of students, including SC/ST candidates for all schools throughout India...

Studies Today