Question # 1

Biosphere surrounding the Earth is about.

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17 KM

18 KM

19 KM

20 KM

Which one of the following is not an endoparasite?

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Ascaris

Plasmodium

Mosquito

Entamoeba

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

It is an example of primary consumers:

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Cattles

Snake

Lion

Frog

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

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Population

Community

Aboitic factor

Ecology

An example of carnivores plant is:

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Mosses

Ferns

Rose Plant

Sundew

The current level of urbanization in Pakistan is about_____ which is not high by global standards.

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23%

32%

36%

39%

R-3 means.

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Less use

Reuse

Recycle

Refuse

Decomposers are.

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Algae and bacteria

Mosses

Animal

Bacteria and Fungi

conversion of the nitrogen gas into nitrates is called.

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Denitrification

Nitrogen fixation

Assimilation

Ammonification

A symbiotic interaction in which both partners get benefits.

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Mutualism

Commensalism

Parasitism

Predation

The utilization of nitrates by organisms is called.

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Nitrification

Ammonification

Assimilation

Denitrification

it is example of secondary consumer.

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Cattle

Snake

Lion

Frog

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

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