Question # 1

The base of food chain is always formed by:

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Producers

Consumers

Decomposrs

Heterotrophs

Which one is not biotic factor.

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Plants

Animal

Mud

Bacteria

Abiotic component of the ecosystem is:

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Producers

Consumers

Decomposers

Light

Endoparasite is:

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Leech

Lices

Ascaris

Mosqitto

Formation of Nitriates and nit5rates from ammonia is called.

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Nitrification

Ammonification

Denitrification

Assimilation

A group of species of same species living in a particular area is called:

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Population

Community

Aboitic factor

Ecology

In the food chain tree.... caterpillar.. robin..hawk....coyote, which is secondary consumer?

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Caterpillar

Robin

Hawk

Coyote

The study of the ralationship between orgaisms and their environment called:

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Biology

Microbiology

Ecology

Genetics

All populations collectively are called.

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Species

Blome

Community

Ecosystem

Habitat destruction can result in a loss of:

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Species

Population

Community

Ecosystem

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

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Predation

Parasitism

Mutualism

Commensalism

Naturally found in graphite and diamond.

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Nitrogen

Oxygen

Hydrogen

Carbon

The major process that brings carbon from atmosphere into living world is:

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Photosynthesis

Respiration

Both a and b

None of these

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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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