NCERT Solutions for Class 12 Biology Chapter 14 - Ecosystem

NCERT Solutions for Class 12 NCERT Solutions for Class 12 Biology 14. Ecosystem

NCERT Biology Solutions for Class 12th Chapter 14- Ecosystem is an excellent study material for the students to prepare for the exam in an efficient way. Being one the essential resource material for studying, these Solutions are drafted by experienced subject mentors and in complete sync with the current official CBSE syllabus. Comprising all the detailed answers to the questions, these NCERT Solutions help students in clearing their doubts in a simple and easy manner.

Being one of the significant chapters of the subject, this chapter deals with the Structure and Function of Ecosystem, Productivity, Ecosystem Services, Energy Flow, Decomposition, Ecological Successions, and Ecological Pyramids etc. Make your foundation strong and solve all the questions of the NCERT textbook in a concise and accurate manner by using our NCERT Solutions for Class 12 Chapter 14.

NCERT Solutions for Class 12 Biology Chapter 14 - Ecosystem

Class 12th|NCERT - BiologyChapter 14 - Ecosystem

Q. 1 A

Fill in the blanks.

A. Plants are called as ____________ because they fix carbon dioxide.

Q. 1 B

In an ecosystem dominated by trees, the pyramid (of numbers)

Is _____ type.

Q. 1 C

In aquatic ecosystems, the limiting factor for the productivity is_______.

Q. 1 D

Common detritivores in our ecosystem are_________.

Q. 1 E

The major reservoir of carbon on earth is_________.

Q. 2

Which one of the following has the largest population in a food chain?

A. Producers

B. Primary consumers

C. Secondary consumers

D. Decomposers

Q. 3

The second trophic level in a lake is

A. Phytoplankton

B. Zooplankton

C. Benthos

D. Fishes

Q. 4

Secondary producers are

A. Herbivores

B. Producers

C. Carnivores

D. None of the above

Q. 5

What is the percentage of photosynthetically active radiation (PAR) in the incident solar radiation?

A. 100%

B. 50 %

C. 1-5%

D. 2-10%

Q. 6 A

Distinguish between

Grazing food chain and detritus food chain

NCERT - BiologyClass 12th , NCERT

Chapter 1 - Reproduction in Organisms

Chapter 2 - Sexual Reproduction in Flowering Plants

Chapter 3 - Human Reproduction

Chapter 4 - Reproductive Health

Chapter 5 - Principles of Inheritance and Variation

Chapter 6 - Molecular Basis of Inheritance

Chapter 7 - Evolution

Chapter 8 - Human Health and Disease

Chapter 9 - Strategies for Enhancement in Food Production

Chapter 10 - Microbes in Human Welfare

Chapter 11 - Biotechnology: Principles and Processes

Chapter 12 - Biotechnology and Its Applications

Chapter 13 - Organisms and Populations

Chapter 14 - Ecosystem

Chapter 15 - Biodiversity and Conservation

Chapter 16 - Environmental Issues

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Class 12th NCERT

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Class 12th