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NEET Exam  >  NEET Tests  >  Biology Class 12  >  Test: Ecosystem Structure & Function (NCERT) - NEET MCQ

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 2025 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 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Ecosystem Structure & Function (NCERT) below.
Solutions of Test: Ecosystem Structure & Function (NCERT) questions in English are available as part of our Biology Class 12 for NEET & Test: Ecosystem Structure & Function (NCERT) solutions in Hindi for Biology Class 12 course. Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free. Attempt Test: Ecosystem Structure & Function (NCERT) | 5 questions in 5 minutes | Mock test for NEET preparation | Free important questions MCQ to study Biology Class 12 for NEET Exam | Download free PDF with solutions
Test: Ecosystem Structure & Function (NCERT) - Question 1
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What term is used to describe the vertical distribution of different species occupying various levels in an ecosystem?

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

Vertical distribution of different species occupying different levels is called stratification. For example, trees occupy top vertical strata or layer of a forest, shrubs the second and herbs and grasses occupy the bottom layers.

Test: Ecosystem Structure & Function (NCERT) - Question 2
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What describes the movement of energy in the pond ecosystem?

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In the pond ecosystem, there is a unidirectional movement of energy towards higher trophic levels, starting from autotrophs to heterotrophs, and energy is eventually dissipated as heat.
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Test: Ecosystem Structure & Function (NCERT) - Question 3
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Which group of organisms in the pond ecosystem is primarily responsible for the decomposition of dead matter?

Detailed Solution for Test: Ecosystem Structure & Function (NCERT) - Question 3
Fungi and bacteria, along with flagellates found at the bottom of the pond, are primarily responsible for the decomposition and mineralisation of dead organic matter, releasing nutrients back into the ecosystem for reuse by autotrophs.
Test: Ecosystem Structure & Function (NCERT) - Question 4
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What is the primary function of the solar input in the pond ecosystem?
Detailed Solution for Test: Ecosystem Structure & Function (NCERT) - Question 4
The primary function of the solar input in the pond ecosystem is to drive the photosynthetic activity of autotrophs such as phytoplankton and certain algae, enabling them to convert inorganic substances into organic material, which is essential for the functioning of the ecosystem.
Test: Ecosystem Structure & Function (NCERT) - Question 5
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What role do autotrophs play in an aquatic ecosystem such as a pond?
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In an aquatic ecosystem like a pond, autotrophs such as phytoplankton and certain algae use the radiant energy from the sun to convert inorganic substances into organic material, supporting the base of the food web.
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