Fill in the blanks. (a) Plants are calle | 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 1, Question 1: Fill in the blanks.
(a) Plants are called as_________ because they fix carbon dioxide.
(b) In an ecosystem dominated by trees, the pyramid (of numbers) is _________ type.
(c) In aquatic ecosystems, the limiting factor for the productivity is _________.
(d) Common detritivores in our ecosystem are_________.
(e) The major reservoir of carbon on earth is_________.. 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 1: Fill in the blanks.
(a) Plants are called as_________ because they fix carbon dioxide.
(b) In an ecosystem dominated by trees, the pyramid (of numbers) is _________ type.
(c) In aquatic ecosystems, the limiting factor for the productivity is _________.
(d) Common detritivores in our ecosystem are_________.
(e) The major reservoir of carbon on earth is_________.
Answer:

(a) Plants are called as Autotrophs because they fix carbon dioxide.

(b) In an ecosystem dominated by trees, the pyramid (of numbers) is of Inverted type.

(c) In aquatic ecosystems, the limiting factor for productivity is Light.

(d) Common detritivores in our ecosystem are Earthworms.

(e) A major reservoir of carbon on Earth is Oceans.

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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Comments

  • Mahasin
  • Nov 24, 2019

Yes b ans is upright bcoz here dominating is tree so consumers are less in no

  • Pallavi
  • May 04, 2019

see ncert 12th bio page no. 249 last 3rd paragraph

  • Pallavi
  • May 04, 2019

see ncert 12th bio page no. 249 last 3rd paragraph

  • Pallavi
  • May 04, 2019

B is correct. Inverted is the right answer

  • Bilal Qureshi
  • Nov 09, 2018

Answer to B is correct as one tree supports many birds/animals

  • Jasleen kaur
  • Sep 11, 2018

Please correct the option b of fill in the blanks.The correct answer is upright.

  • Razia Nasreen
  • Apr 03, 2018

the ans for 'b' is upright and not inverted...plz crct it...

  • esha
  • Mar 26, 2018

b answer is not upto the mark check once more

  • TARUN BANSAL
  • Apr 19, 2017

B) answer should be upright bcz trees are producers please correct

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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 1 , Question 1: Fill in the blanks. (a) Plants are called as_________ because they fix carbon dioxide. (b) In an eco....

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