EXERCISES

Author:Jharkhand Board

Jharkhand Board Science Solutions for EXERCISES

Simple step-by-step solutions to EXERCISES questions of Our Environment from Science: Class 10. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from EXERCISES with Hints & Solutions

EASY
10th Jharkhand Board
IMPORTANT

Which of the following groups contain only biodegradable items?

EASY
10th Jharkhand Board
IMPORTANT

Which of the following are environment-friendly practices?

MEDIUM
10th Jharkhand Board
IMPORTANT

What will happen if we kill all the organisms at one trophic level?

MEDIUM
10th Jharkhand Board
IMPORTANT

Will the impact of removing all the organisms in a trophic level be different for different trophic levels? Can the organisms of any trophic level be removed without causing any damage to the ecosystem?

MEDIUM
10th Jharkhand Board
IMPORTANT

What is the biological magnification? Will the levels of this magnification be different at different levels of the ecosystem?

MEDIUM
10th Jharkhand Board
IMPORTANT

What are the problems caused by the non-biodegradable wastes that we generate?

MEDIUM
10th Jharkhand Board
IMPORTANT

If all the waste we generate is biodegradable, will this have no impact on the environment?

MEDIUM
10th Jharkhand Board
IMPORTANT

Why is damage to the ozone layer a cause for concern? What steps are being taken to limit this damage?