What does the base tier of the ecologica | Class 12 Biology Chapter Ecosystem, Ecosystem NCERT Solutions

Current NCERT chapter

Academic session 2026-27, Chapter 12 in the current curriculum.

Welcome to the NCERT Solutions for Class 12 Biology - Chapter Ecosystem. This page offers a step-by-step solution to the specific question from Exercise 0, Question 2:

What does the base tier of the ecological pyramid represent?

. With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.

Question 2:

What does the base tier of the ecological pyramid represent?

Answer:

Ecological pyramid is defined by Charles Elton in 1927, as the graphical representation of the numbers or biomass and accumulated energy at each trophic level in the food chain. The relationship between numbers, biomass and energy flow in biotic community can be represented graphically by ecological pyramids. The base of the each pyramid represents the producers level or first trophic level while the apex represents the next trophic levels like tertiary or high level consumers and other consumer trophic levels in between them.

Diagram of different trophic levels in Ecological Pyramid

Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Ecosystem.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
  • Discuss your answers with your teachers or peers to get feedback and improve your understanding.

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Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 2: What does the base tier of the ecological pyramid represent?....

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