Question # 1

The study of the ralationship between orgaisms and their environment called:

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Biology

Microbiology

Ecology

Genetics

Which are put in first trophic level?

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Carnivores

Producers

Herbivores

Consumers

250 years age, the population of world was approximately ------------ million.

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400

500

600

700

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

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Plants

Peat

Coal

Natural gas

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

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23%

32%

36%

39%

Ectoparasite is

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Ascaris

Amoeba

Leech

Plasmodium

The materials flow from one trophic level to the next by means of:

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Food chains

Food web

Both a & b

None of these

In the food chain"grass......rabbit....... fox..............bear...........mushroom", how many types of decomposers are present"?

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1

2

3

4

Conversion of Nitrates into nitrogen gas is called.

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Denitrification

Assimilation

Ammonification

Nitrogen fixtation

Which one of the following is not an endoparasite?

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Ascaris

Plasmodium

Mosquito

Entamoeba

An epiphyte is an example of:

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Parasitism

Mutualism

Commensalism

Symbiosis

One of these cycles is also nutrients cycles.

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Biogeochemical cycles

Carbon cycles

Water cycles

Nitrogen cycles

A community and its biotic components is known as:

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Biosphere

Habitat

Ecosystem

Food web

An organism that actively hunts other organisms is called.

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Prey

Predator

Parasite

Host

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

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