NCERT Solutions For Class 10 Chapter 13 of Page-214

Q1: Why are some substances biodegradable and some non-biodegradable?

Answer:

Biodegradable substances are organic substances that are degraded by scavengers of the ecosystem while non-biodegradable substances are synthetic they are degraded by the decomposers.

Q2: Give any two ways in which biodegradable substances would affect the environment.

Answer:

Biodegradable substances affect the environment in different ways:

• Biodegradable substances like leaves, plant extracts, kitchen wastes, etc. are used as humus after composting and it will enhance soil fertility. During decomposition, these substances produce a foul smell. Biodegradable substances contain carbon and this carbon is released into the environment after decomposition.
• These substances may produce some harmful substances like methane, ammonia, etc. and which can further cause global warming.

Q3: Give any two ways in which non-biodegradable substances would affect the environment.

Answer:

Non-biodegradable substances affect the environment in different ways:

• These substances are non-degradable by microorganisms so they contaminate the environment.
• These substances harm animals, if they are eaten by the animals because they are non-digestible.

*As per the revised curriculum of CBSE Syllabus 2023-24, this chapter, previously known as Chapter 15, has now been renumbered as Chapter 13. Stay updated with the latest changes in the curriculum.

Our Environment Class 10 NCERT Solution is all about the environment. These NCERT Solutions are prepared by our Top Biology Experts in order to take care of all Important Topics that might be asked in the upcoming examination 2023. So, Students can also refer to these solutions for their final Examination preparation.

This Class 10 Biology Chapter 13 Our Environment NCERT Solutions are carefully developed using easy-to-understand language while adhering to the guidelines for solving NCERT Solutions for Class 10. Working through these solutions can be highly beneficial for students in their board exams, as well as in preparing for future competitive Exams.