NCERT Solutions For Class 10 Chapter 13 of Page-212

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

Answer:

On the basis of the source of nutrition, organisms are placed at a certain level in a food chain. Each level of the food chain called a trophic level. Example: Grass ⇢Insect ⇢ Frog ⇢ Snake

Each trophic level of the above food chain is:

• First trophic level (Producer): Grass
• Second trophic level (primary consumer): Insect
• Third trophic level (Secondary consumer): Frog
• Fourth consumer (Tertiary consumer): Snake

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

Answer:

Decomposers degrade the biodegradable complex substances into simpler substances. So, decomposers play an important role in decomposition. Through decomposition, nutrients are released into the soil, which is used by the producers. Decomposition maintains the nutrient pool and helps in sustaining the ecosystem.

*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.