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Test: Ecosystem Structure & Function (NCERT) - NEET MCQ


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5 Questions MCQ Test Biology Class 12 - Test: Ecosystem Structure & Function (NCERT)

Test: Ecosystem Structure & Function (NCERT) for NEET 2024 is part of Biology Class 12 preparation. The Test: Ecosystem Structure & Function (NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Ecosystem Structure & Function (NCERT) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Ecosystem Structure & Function (NCERT) below.
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Test: Ecosystem Structure & Function (NCERT) - Question 1

Which one of the following is not a correct match of the term and its description?

Detailed Solution for Test: Ecosystem Structure & Function (NCERT) - Question 1

Ecological equivalents are the organisms which occupy same niche in different habitats (or geographical areas) e.g. both owl and cat feed on shrews and mice hence they occupy the same niche though their habitats are different.

Test: Ecosystem Structure & Function (NCERT) - Question 2

The given pie diagram represents different components of the soil. Identify P, Q and R and select the correct option.

Detailed Solution for Test: Ecosystem Structure & Function (NCERT) - Question 2

Soil has five components with different compositions: Mineral matter - 40%, water - 25%, organic matter - 10%, air-25% and soil organisms (variable).

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Test: Ecosystem Structure & Function (NCERT) - Question 3

Which one of the following is the most productive ecosystem?

Detailed Solution for Test: Ecosystem Structure & Function (NCERT) - Question 3

Tropical rainforest shows the maximum diversity and also the maximum productivity. More solar energy and resources are available in tropics which promotes higher productivity. On land the maximum primary production rate is found in tropical rainforests followed by tropical deciduous forests, temperate forests, savannah, temperate grasslands and desert scrub.

Test: Ecosystem Structure & Function (NCERT) - Question 4

In which of the following aspect do the components of the ecosystem are seen to function as a unit?

Detailed Solution for Test: Ecosystem Structure & Function (NCERT) - Question 4

The components of the ecosystem are seen to function as a unit when the aspect is energy flow. It is the calorific amount of energy that moves from the sun and up to each subsequent level of the food chain in an environment.

Test: Ecosystem Structure & Function (NCERT) - Question 5

Which one of the following aspects is not a component of functional unit of ecosystem?

Detailed Solution for Test: Ecosystem Structure & Function (NCERT) - Question 5

Interaction of biotic and abiotic components result in a physical structure, that is characteristic of each type of ecosystem. Components of ecosystem function as one single unit. Four important functional aspects of the ecosystem are:
(i) Productivity,
(ii) Decomposition,
(iii) Energy flow and
(iv) Nutrient cycling.
Ecological pyramids are graphical representation of number, biomass and energy flow in an ecosystem.

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