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

Question # 1

Organisms in the ecosystem that are responsible for the recycling of plant and animal wastes are:

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Consumers

Producers

Decomposer

Competitors

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Question # 2

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

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CO₂

Methane

Oxygen

Nitrous oxide

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Question # 3

Abiotic component of ecosystem is:

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Producers

Herbivores

Camivore

Oxygen

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Question # 4

A group of organisms of the same species inhabiting a species geographical area ta a particular time is called:

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population

community

ecosystem

species

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Question # 5

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

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Predation

Parasitism

Mutualism

Commensalism

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Question # 6

Biosphere surrounding the Earth is about.

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17 KM

18 KM

19 KM

20 KM

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Question # 7

In an ecosystem the flow of _________ is one way, while _________ is/are constantly recycled.

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Minerals, energy

Energy minerals

Oxygen, Energy

Glucose, water

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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

Which of the following is the abiotic part of ecosystem.

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Grass

Goat

Lion

Soil

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Question # 10

Organisms in the ecosystem that are responsible for recycling of plant and animal wastes are.

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Producers

Consumers

Decomposers

Competitors

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Question # 11

R-2 means.

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Reduce

Recycle

Renewable

Reuse

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Question # 12

The base of food chain is always formed by:

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Producers

Consumers

Decomposrs

Heterotrophs

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Question # 13

It is an example of primary consumers.

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Cattles

Snake

Lion

Tiger

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