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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? - Biology

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

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

What is primary productivity?


Write the equation that helps in deriving the net primary productivity of an ecosystem.


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


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 ______.


The biomes energy available for consumption by herbivores is called ______.


Which one of the following ecosystem is most productive in term of net primary production?


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


In the equation GPP − R = NPP R represents ______


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


Justify the pitcher plant as a producer.


Why are oceans least productive?


Primary productivity varies from ecosystem to ecosystem. Explain?


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.


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
  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.

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