मराठी
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?

पर्याय

  • Deserts

  • Tropical rain forests

  • Oceans

  • Estuaries

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उत्तर

Tropical rain forests

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पाठ 14: Ecosystem - MULTIPLE CHOICE QUESTIONS [पृष्ठ ९९]

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

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

What is primary productivity?


Distinguish between primary and secondary productivity.


What is primary productivity?


Why does primary productivity vary in different types of ecosystems?


State the relation between gross and net primary productivity.


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


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?


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 ______


Productivity is the rate of production of biomass expressed in terms of ______.


Why are oceans least productive?


Which of the following ecosystems will be more productive in terms of primary productivity? Justify your answer. A young forest, a natural old forest, a shallow polluted lake, alpine meadow.


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.

Which of the following is the unit of productivity of an Ecosystem?


Primary productivity in an ecosystem refers to the rate of generation of ______.


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