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NCERT solutions for बायोलॉजी [इंग्रजी] इयत्ता १२ chapter 12 - Ecosystem [Latest edition]

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NCERT solutions for बायोलॉजी [इंग्रजी] इयत्ता १२ chapter 12 - Ecosystem - Shaalaa.com
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Solutions for Chapter 12: Ecosystem

Below listed, you can find solutions for Chapter 12 of CBSE, Karnataka Board PUC NCERT for बायोलॉजी [इंग्रजी] इयत्ता १२.


EXERCISES
EXERCISES [Pages 214 - 215]

NCERT solutions for बायोलॉजी [इंग्रजी] इयत्ता १२ 12 Ecosystem EXERCISES [Pages 214 - 215]

Fill in the blanks.

1. (a)Page 214

Plants are called as ______ because they fix carbon dioxide.

1. (b)Page 214

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

1. (c)Page 215

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

1. (d)Page 215

Common detritivores in our ecosystem are ______.

1. (e)Page 215

The major reservoir of carbon on earth is ______.

2.Page 215

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

  • Producers

  • Primary consumers

  • Secondary consumers

  • Decomposers

3.Page 215

The second trophic level in a lake is ______.

  • Phytoplankton

  • Zooplankton

  • Benthos

  • Fishes

4.Page 215

Secondary producers are ______.

  • Herbivores

  • Producers

  • Carnivores

  • None of the above

5.Page 215

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

  • 100%

  • 50%

  • 1-5%

  • 2-10%

6. (a)Page 215

Distinguish between grazing food chain and detritus food chain.

6. (b)Page 215

Distinguish between production and decomposition.

6. (c)Page 215

Distinguish between upright and inverted pyramids.

6. (d)Page 215

Distinguish between a food chain and a food web.

6. (e)Page 215

Distinguish between litter and detritus.

6. (f)Page 215

Distinguish between primary and secondary productivity.

7.Page 215

Describe the components of an ecosystem.

8. a.Page 215

Define ecological pyramids.

8. b.Page 215

Describe with examples of pyramids of number and biomass.

9. aPage 215

What is primary productivity?

9. b.Page 215

Give a brief description of the factors that affect primary productivity.

10. a.Page 215

Define decomposition.

10. b.Page 215

Describe the processes and products of decomposition.

11.Page 215

Give an account of energy flow in an ecosystem.

Solutions for 12: Ecosystem

EXERCISES
NCERT solutions for बायोलॉजी [इंग्रजी] इयत्ता १२ chapter 12 - Ecosystem - Shaalaa.com

NCERT solutions for बायोलॉजी [इंग्रजी] इयत्ता १२ chapter 12 - Ecosystem

Shaalaa.com has the CBSE, Karnataka Board PUC Mathematics बायोलॉजी [इंग्रजी] इयत्ता १२ 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 बायोलॉजी [इंग्रजी] इयत्ता १२ CBSE, Karnataka Board PUC 12 (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 बायोलॉजी [इंग्रजी] इयत्ता १२ chapter 12 Ecosystem are Productivity, Ecological Pyramids, Structure and Function of an Ecosystem, Energy Flow in Ecosystem, Concept of Ecosystem, Decomposition, Productivity, Ecological Pyramids, Structure and Function of an Ecosystem, Energy Flow in Ecosystem, Concept of Ecosystem, Decomposition, Productivity, Ecological Pyramids, Structure and Function of an Ecosystem, Energy Flow in Ecosystem, Concept of Ecosystem, Decomposition, Productivity, Ecological Pyramids, Structure and Function of an Ecosystem, Energy Flow in Ecosystem, Concept of Ecosystem, Decomposition, Productivity, Ecological Pyramids, Structure and Function of an Ecosystem, Energy Flow in Ecosystem, Concept of Ecosystem, Decomposition.

Using NCERT बायोलॉजी [इंग्रजी] इयत्ता १२ 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 बायोलॉजी [इंग्रजी] इयत्ता १२ students prefer NCERT Textbook Solutions to score more in exams.

Get the free view of Chapter 12, Ecosystem बायोलॉजी [इंग्रजी] इयत्ता १२ additional questions for Mathematics बायोलॉजी [इंग्रजी] इयत्ता १२ CBSE, Karnataka Board PUC, and you can use Shaalaa.com to keep it handy for your exam preparation.

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