Question # 1

Which one of the example of abiotic factor?

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Decomposoer

Light

Water

Soil

A symbiotic interaction in which both partners get benefits.

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Mutualism

Commensalism

Parasitism

Predation

All populations collectively are called.

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Species

Blome

Community

Ecosystem

One of these cycles is also nutrients cycles.

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Biogeochemical cycles

Carbon cycles

Water cycles

Nitrogen cycles

Organisms that make their own food with help of sunlight, CO and H₂O are called.

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Consumers

Producers

Decomposers

Predators

Primary source of energy for all ecosystem is.

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Electricity

Sun

Fire

Nutrients

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

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Caterpillar

Robin

Hawk

Coyote

In the atmosphere, carbon is found as

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graphite

diamond

carbonates

carbon dioxide

Biospher surrounding the earth is about:

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17 km

18 km

19 km

20 km

Which form of nitrogen is taken by the producer of the Ecosystem?

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Nitrogen Gas

Ammonia

Nitrage

Nitrates

------------ is use for the cleaning of sewage water.

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Bacteria

Virus

Algae

Fungi

Which are put in first trophic level?

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Carnivores

Producers

Herbivores

Consumers

Which one is not biotic factor.

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Plants

Animal

Mud

Bacteria

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Biology 10th Class English Medium Chapter 16 Online Test MCQs With Answers

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