Q&A/Class 8/Science

Write short notes on voice change at puberty.

Class 8CBSEScienceChapter: Reaching the Age of Adolescence
👁 24 views👍 0 helpful
In boys, at puberty, there develop a larger voice box which can be seen as a protruding part of the throat called Adam’s apple. Sometimes the muscles of the growing voice box go out of control and the voice becomes hoarse.

🔄Recently Updated

State the difference between burning of a candle and burning of a fuel like coal

Updated 1/19/2026

What do you mean by reproduction? Describe various modes of reproduction.

Updated 1/19/2026

What do you mean by biosphere reserves?

Updated 1/19/2026

Define virus.

Updated 1/19/2026

It is observed at petrol pumps and airports, that hydrocarbon fire extinguishers are used, instead of soda-acid fire extinguisher. Give reasons why.

Updated 1/19/2026

LIMITED TIME OFFER

Ace Your Exams with
Expert Guidance

Get access to 35 lakh+ verified solutions, video lectures, and personalized study plans

Verified Solutions
Expert Teachers
24/7 Support

Start Your Free Trial

No credit card required. Cancel anytime.

Get Started Free →
Secure & Trusted by 10,000+ Students

By signing up, you agree to our Terms & Privacy Policy

Start learning with 25k+ students around the world.

80+
Online courses
100+
Certified Instructor
99.9%
Success Rate
Rarepillar Education Services Private Limited
© 2025 All Rights Reserved