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

Question # 1

A symbiotic interaction in which both partners get benefits.

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Mutualism

Commensalism

Parasitism

Predation

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Question # 2

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

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Bacteria

Virus

Algae

Fungi

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Question # 3

The consumers that eat animal flesh as well as plants and plant products are called.

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Herbivores

Carnivores

Omnivores

Insectivores

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Question # 4

R-3 means.

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Less use

Reuse

Recycle

Refuse

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Question # 5

Which one of the following is not a temporary parasite?

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Mosquito

Virus

Leech

Bed bug

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Question # 6

Abiotic component of the ecosystem is.

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Producers

Consumers

Decomposers

Light

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Question # 7

The nitrate forming bacteria are.

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Rhizobium

Nitrosomonas

Nitrobacter

Cocci

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Question # 8

The conversion of ammonia to nitrates is carried out by soil bacteria. This process is called.

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Nitrification

Denitrification

Nitrogen fixation

Assimilation

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Question # 9

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

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Caterpillar

Robin

Hawk

Coyote

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Question # 10

The type of symbiotic relationship in which one member get benefit and other is unaffected is called.

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Parasitism

Mutualism

Commensalism

Predation

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Question # 11

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

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Nitrogen Gas

Ammonia

Nitrage

Nitrates

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Question # 12

An organism that actively hunts other organisms is called.

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Prey

Predator

Parasite

Host

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Question # 13

Biospher surrounding the earth is about:

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17 km

18 km

19 km

20 km

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