Which of the following factors characterize a community structure?

C. Diversity & trophic structure

A. Species composition & soil pH

B. Population density & climate

C. Diversity & trophic structure

Everyday Science · Environment, Weather & Ecology · page 14 of 40

Ecosystem MCQs with Answers

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Ecosystem, Biodiversity & Conservation MCQs (131–140)

10 MCQs with answers and a short one-liner. Hide answers to test yourself.

Past paper MCQs in this chapter · See all past papers

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131.
Which of the following factors characterize a community structure?
Correct Answer: C. Diversity & trophic structure
One-liner
Community structure is characterized by diversity and trophic structure, which describe the variety of species and the feeding relationships among them.
132.
Intrinsic value of biodiversity means ?
Correct Answer: B. Inherent value
One-liner
The intrinsic value of biodiversity refers to its inherent value — the worth it possesses in its own right, independent of any human use or benefit.
133.
Establishment of new forests, where no forests existed previously is called _?
Correct Answer: A. Afforestation
One-liner
The establishment of new forests on land where no forests previously existed is called Afforestation.
134.
The term conservation is largely used for _?
Correct Answer: D. All of these
One-liner
The term conservation is largely used for All of these — biodiversity protection, resource management, and environmental preservation.
135.
Past Paper MCQ
The diversity of species in space, world and in ecosystem is called?
Correct Answer: B. Species diversity
One-liner
The diversity of species in space, world and in an ecosystem is called species diversity.
136.
Hunting and shooting of wild animals is not allowed in _?
Correct Answer: D. Game reserves
One-liner
Hunting and shooting of wild animals is not allowed in game reserves.
137.
Species refers to measure which qualifies as to how even species are in terms of their number.
Correct Answer: A. Evenness
One-liner
Species evenness refers to the measure that qualifies how evenly individuals are distributed among different species in a community.
138.
The process in which DDT and other organochlorine pesticides become more concentrated as they ascend the food chain is called?
Correct Answer: C. Biomagnification
One-liner
The process by which DDT and other organochlorine pesticides become increasingly concentrated at higher trophic levels in a food chain is called Biomagnification.
139.
Which of the following organisms' populations follow J-shaped curves?
Correct Answer: B. Insects
One-liner
Populations of insects follow J-shaped growth curves because they exhibit exponential growth under favorable conditions, often followed by a sudden crash.
140.
Which of the following is In-situ conservation category?
Correct Answer: C. Biosphere reserves
One-liner
Biosphere reserves are an in-situ conservation category where species are protected within their natural habitats.

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Ecosystem MCQs with Answers

Ecosystem, Biodiversity & Conservation MCQs (131–140)

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