Question # 1

Living of nitrogen fixing bacteria in the roots nodules of Leguminous plant is an example of.

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Predation

Parasitism

Mutualism

Commensalism

Which of the following is not an example of green house gas?

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CO₂

Methane

Oxygen

Nitrous oxide

R-2 means.

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Reduce

Recycle

Renewable

Reuse

The study of the relationship between organisms and their environment called.

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Biology

Microbiology

Ecology

Genetics

Abiotic component of the ecosystem is.

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Producers

Consumers

Decomposers

Light

An example of carnivores plant is:

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Mosses

Ferns

Rose Plant

Sundew

A community and its biotic components is known as:

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Biosphere

Habitat

Ecosystem

Food web

Abiotic component of the ecosystem is:

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Producers

Consumers

Decomposers

Light

Primary source of energy for all ecosystem is.

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Electricity

Sun

Fire

Nutrients

Identify the correctly matched pair.

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Rainfall-biotic factor in Ecosystem

Corn-secondary consumers

Global warming fossil fuel formating

Renewable natural resource air

The base of food chain is always formed by:

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Producers

Consumers

Decomposrs

Heterotrophs

Largest unit of Ecology is.

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Species

Community

Ecosystem

Biosphere

Which of the following organisms are decomposers?

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Fungi

Algae

Bacteria

Both a and c

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10th Class Biology Chapter 16 Man and His Environment English Medium KPK Boards Online Mcqs MCQs With Answers

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