Chapter 13 Our Environment
NCERT Class 10th
Science SOLUTIONS

Which of the following are environment-friendly practices? (a) Carrying cloth-bags to put purchases in while shopping (b) Switching off unnecessary lights and fans (c) Walking to school instead of getting your mother to drop you on her scooter (d) All of the above
Correct answer: (d) All of the above
Reason: All options help reduce pollution and save resources, making them environment-friendly practices.
Our Environment
More Questions on Our Environment
Why is damage to the ozone layer a cause for concern? What steps are being taken to limit this damage?
View solution
If all the waste we generate is biodegradable, will this have no impact on the environment?
View solution
What are the problems caused by the non-biodegradable wastes that we generate?
View solution
What is biological magnification? Will the levels of this magnification be different at different levels of the ecosystem?
View solution
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?
View solution
Which of the following constitute a food-chain? (a) Grass, wheat and mango (b) Grass, goat and human (c) Goat, cow and elephant (d) Grass, fish and goat
View solution
Which of the following groups contain only biodegradable items? (a) Grass, flowers and leather (b) Grass, wood and plastic (c) Fruit-peels, cake and lime-juice (d) Cake, wood and grass
View solution
How can you help in reducing the problem of waste disposal? Give any two methods.
View solution
Give any two ways in which non-biodegradable substances would affect the environment.
View solution
Give any two ways in which biodegradable substances would affect the environment.
View solution
What are trophic levels? Give an example of a food chain and state the different trophic levels in it.
View solution