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Karnataka Board PUCPUC Science 2nd PUC Class 12

Which of the following ecosystems is most productive in terms of net primary production?

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Question

Which of the following ecosystems is most productive in terms of net primary production?

Options

  • Deserts

  • Tropical rain forests

  • Oceans

  • Estuaries

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Solution

Tropical rain forests

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Chapter 14: Ecosystem - MULTIPLE CHOICE QUESTIONS [Page 99]

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NCERT Exemplar Biology Exemplar [English] Class 12
Chapter 14 Ecosystem
MULTIPLE CHOICE QUESTIONS | Q 6. | Page 99

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RELATED QUESTIONS

How are productivity, gross productivity, net primary productivity and secondary productivity interrelated ?


Distinguish between primary and secondary productivity.


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Explain what does the equation given below show:

NPP = GPP – R


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Describe the inter-relationship between productivity, gross primary productivity, and net productivity.


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The primary productivity in an ecosystem is expressed as ______.

  1. gm-2 yr-1
  2. gm-2 yr
  3. Kcal m-2 yr-1
  4. Kcal m-2

Use the information provided in the table given below to answer the following questions:

Tropic level Net Production(KJm-2y-1) Respiration (KJm-2y-1)
Top Carnivore 50 35
Carnivores 420 378
Herbivores 4490 4041
Producers 45000 40,367
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