हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

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

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प्रश्न

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

विकल्प

  • Deserts

  • Tropical rain forests

  • Oceans

  • Estuaries

MCQ
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उत्तर

Tropical rain forests

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 14: Ecosystem - MULTIPLE CHOICE QUESTIONS [पृष्ठ ९९]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
अध्याय 14 Ecosystem
MULTIPLE CHOICE QUESTIONS | Q 6. | पृष्ठ ९९

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

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


Distinguish between primary and secondary productivity.


What is primary productivity?


What is the primary productivity of an ecosystem and how is it expressed?


Explain what does the equation given below show:

NPP = GPP – R


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


Write the relationship between productivity, gross primary productivity, net primary productivity, and secondary productivity.


Secondary productivity is rote of formation of new organic matter by ______.


How much of the net primary productively of a terrestrial ecosystem is eaten and digested by herbivores?


Which one of the following ecosystem has the highest annual net productivity?


If A = Gross primary productivity, B = Net primary productivity and C = Respiration losses, then what will be the correct relation between them?


In the equation GPP − R = NPP R represents ______


Why is the rate of assimilation of energy at the herbivore level called secondary productivity?


Primary productivity varies from ecosystem to ecosystem. Explain?


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
  1. Calculate the gross primary productivity.
  2. Analyze the trend in the Net Production from Producers to Top Carnivore. Give a reason for your observation.

In an ecosystem if the Net Primary Productivity (NPP) of first trophic level is 100x(kcal m−2) yr−1, what would be the GPP (Gross Primary Productivity) of the third trophic level of the same ecosystem?


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