NCERT solutions for Biology Class 12 chapter 14 - Ecosystem [Latest edition]

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NCERT solutions for Biology Class 12 chapter 14 - Ecosystem - Shaalaa.com
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Solutions for Chapter 14: Ecosystem

Below listed, you can find solutions for Chapter 14 of CBSE, Karnataka Board PUC NCERT for Biology Class 12.


Exercises
Exercises [Pages 256 - 257]

NCERT solutions for Biology Class 12 Chapter 14 Ecosystem Exercises [Pages 256 - 257]

Exercises | Q 1.1 | Page 256

Plants are called as_________ because they fix carbon dioxide.

Exercises | Q 1.2 | Page 256

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

Exercises | Q 1.3 | Page 256

In aquatic ecosystems, the limiting factor for the productivity is _________.

Exercises | Q 2 | Page 257

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

  • Producers

  • Primary consumers

  • Secondary consumers

  • Decomposers

Exercises | Q 3 | Page 257

The second trophic level in a lake is-

  • Phytoplankton

  • Zooplankton

  • Benthos

  • Fishes

Exercises | Q 4 | Page 257

Secondary producers are

  • Herbivores

  • Producers

  • Carnivores

  • None of the above

Exercises | Q 5 | Page 257

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

  • 100%

  • 50%

  • 1-5%

  • 2-10%

Exercises | Q 6.1 | Page 257

Distinguish between Grazing food chain and detritus food chain

Exercises | Q 6.2 | Page 257

Distinguish between Production and decomposition

Exercises | Q 6.3 | Page 257

Distinguish between Upright and inverted pyramid

Exercises | Q 6.4 | Page 257

Distinguish between Food chain and food web

Exercises | Q 6.5 | Page 257

Distinguish between Litter and detritus

Exercises | Q 6.6 | Page 257

Distinguish between Primary and secondary productivity

Exercises | Q 7 | Page 257

Describe the components of an ecosystem.

Exercises | Q 8.1 | Page 257

Define ecological pyramids.

Exercises | Q 8.2 | Page 257

Describe with examples of pyramids of number, and biomass.

Exercises | Q 9 | Page 257

What is primary productivity? Give a brief description of factors that affect primary productivity.

Exercises | Q 10 | Page 257

Define decomposition and describe the processes and products of decomposition.

Exercises | Q 11 | Page 257

Give an account of energy flow in an ecosystem.

Exercises | Q 12 | Page 257

Write important features of a sedimentary cycle in an ecosystem.

Exercises | Q 13 | Page 257

Outline salient features of carbon cycling in an ecosystem

Solutions for Chapter 14: Ecosystem

Exercises
NCERT solutions for Biology Class 12 chapter 14 - Ecosystem - Shaalaa.com

NCERT solutions for Biology Class 12 chapter 14 - Ecosystem

Shaalaa.com has the CBSE, Karnataka Board PUC Mathematics Biology Class 12 CBSE, Karnataka Board PUC solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Biology Class 12 CBSE, Karnataka Board PUC 14 (Ecosystem) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in Biology Class 12 chapter 14 Ecosystem are Ecosystems Patterns, Ecosystem - Structure and Function, Productivity, Ecological Pyramids, Nutrient Cycling, Ecological Succession, Ecosystem Services, Energy Flow in an Ecosystem, Introduction and Types of Ecosystem, Ecosystem, Decomposition.

Using NCERT Biology Class 12 solutions Ecosystem exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE, Karnataka Board PUC Biology Class 12 students prefer NCERT Textbook Solutions to score more in exams.

Get the free view of Chapter 14, Ecosystem Biology Class 12 additional questions for Mathematics Biology Class 12 CBSE, Karnataka Board PUC, and you can use Shaalaa.com to keep it handy for your exam preparation.

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