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

Question # 1

All Ecosystem of the world join and makes.

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Biosphere

Heterosphere

Geosphere

Hydrosphere

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Question # 2

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 # 3

Ectoparasite is

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Ascaris

Amoeba

Leech

Plasmodium

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Question # 4

Which one of the following is not an example of fossil fuels?

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Plants

Peat

Coal

Natural gas

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Question # 5

When we eat the onion, our trophic level is

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Primary consumer

Secondary consumer

Decomposer

Producers

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Question # 6

Decomposers are:

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Algae and becteria

Mosses

Animal

Becteria and fungi

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Question # 7

conversion of the nitrogen gas into nitrates is called.

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Denitrification

Nitrogen fixation

Assimilation

Ammonification

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Question # 8

Which one of the following is a tertiary consumer:

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Owl

Larwa of butterfly

Deer

Rabbit

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Question # 9

A network of all the feeding relationships in an ecosystem is called.

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Food chain

Food web

Trophic level

Energy flow

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Question # 10

Which Charles Eiton developed the concept of ecological pyramids?

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1926

1927

1928

1929

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Question # 11

A relationship between two organisms in which individual of one species may kill and eat individuals of other species is called.

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Symbiosis

Competition

Predation

Mutualism

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Question # 12

Which are put in first trophic level?

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Carnivores

Producers

Herbivores

Consumers

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Question # 13

The factor of an ecosystem is:

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light

algae

bacteria

producers

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