Chapter 15 our environment Q/A

Q1. What are the trophic levels? Give an example of a food chain and state the different trophic levels in it.

Solution:

In the food chain, the transfer of food or energy takes place at various levels and these levels are known as trophic levels.

Example:

Grass → Goat → Man

In the food chain,

• Grass represents the first trophic level
• The goat represents the second trophic level
• Man represents the third trophic level

Q2. What is the role of decomposers in the ecosystem?

Solution:

Following is the role of a decomposer in the ecosystem:

• They act as a cleansing agent of the environment by decomposing the dead plants and animals
• They help in recycling the nutrients
• They provide space for new beings in the biosphere by decomposing the dead
• They help in putting back the various elements into water, soil and air for the reuse of producers like crop plants.

For more click on the given link:

<a href="https://mycbseguide.com/blog/ncert-solutions-class-10-science-our-environment-part-1/" ping="/url?sa=t&source=web&rct=j&url=https://mycbseguide.com/blog/ncert-solutions-class-10-science-our-environment-part-1/&ved=2ahUKEwiA6rKM-6ztAhUE4jgGHX06Ca8QFjAAegQIAxAC" rel="noopener" target="_blank">NCERT Solutions for Class 10 Science Our Environment Part 1</a>

<a href="https://mycbseguide.com/blog/ncert-solutions-class-10-science-our-environment-part-2/" ping="/url?sa=t&source=web&rct=j&url=https://mycbseguide.com/blog/ncert-solutions-class-10-science-our-environment-part-2/&ved=2ahUKEwiA6rKM-6ztAhUE4jgGHX06Ca8QFjABegQIAhAC" rel="noopener" target="_blank">NCERT Solutions for Class 10 Science Our Environment Part 2 |</a>