English
Karnataka Board PUCPUC Science 2nd PUC Class 12

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

Advertisements
Advertisements

Question

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

Options

  • Deserts

  • Tropical rain forests

  • Oceans

  • Estuaries

MCQ
Advertisements

Solution

Tropical rain forests

shaalaa.com
  Is there an error in this question or solution?
Chapter 14: Ecosystem - MULTIPLE CHOICE QUESTIONS [Page 99]

APPEARS IN

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

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

What is primary productivity?


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


Why does primary productivity vary in different types of ecosystems?


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 ______.


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?


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


In the equation GPP − R = NPP R represents ______


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.

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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×