Fill in the blanks. (a) Plants are calle | Class 12 Biology Chapter Ecosystem, Ecosystem NCERT Solutions

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: . 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.

Latest Blog Posts

Stay updated with our latest educational content and study tips

Simple and Compound Interest Formulas with Questions

Interest is one of the most significant ideas in maths and financial calculations. It is very common in banking, loan applications, investments, saving account and competitive exams. Simple Interest and Compound Interest make it easier to find out how much more is earned and/or paid on a principal during the period of time. These Interest … Read more

Read More

Spoken English Course Topics for Beginners in 2026

In 2026, students, professionals, and job seekers must have a high level of spoken English. Spoken English is a beginner level course to enhance learners’ communication skills in English, their pronunciation, vocabulary, grammar structure and confidence in speaking English fluently. Today, the emphasis of spoken English courses is placed on actual conversations, everyday speech practice … Read more

Read More

Difference Between AI and Machine Learning

Artificial Intelligence (AI) and Machine Learning (ML) are two of the most sought-after technologies in today’s digital era. Although these terms are often used together, they are not the same. Machine Learning is, in fact, a component of Artificial Intelligence that enables systems to learn and enhance on their own, without direct programming. AI is … Read more

Read More

Time, Speed and Distance Formulas

Time, Speed, and Distance are some of the most important concepts in mathematics and aptitude. These are the concepts which are used to calculate the speed of an object, time taken for an object to move and the distance traveled during the motion. Questions from this topic are frequently seen in School Tests, Competitive Tests, … Read more

Read More

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


Add Comment

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....