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Biology FSC Part 2 Chapter 26 Online MCQ's Test MCQs With Answers

Question # 1

Oxone molecule is made up by binding of three atoms of

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Nitrogen

Oxygen

Hydrogen

Carbon

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Question # 2

In spermatophytes important step in land adaptation is the evolution.

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Seed coat

Fruit

Pollen tube

Flower

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Question # 3

Mountain of Karakoram are located in major terrestrial ecosystem in Pakistan.

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Grass land

tundra

Coniferous alpine forest

Temperate deciduous forest

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Question # 4

Each nuclear power station only can last for about

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10 years

20 years

30 years

40 years

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Question # 5

Coniferous forest located at high attitude are called.

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Boreal

Alpine

Talga

Prailes

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Question # 6

What would be expected to happen if all the nitrogen-fixing organisms ceased to exist?

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There would be no significant change in number of animals

The total number of biomass would be reduced

All organisms would die out

The nitrogen level of the atmosphere would be increase

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Question # 7

Perhaps the most fragile of all the biomes, because of its short growing season is.

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Tundra

Desert

Grass land

Temperate deciduous forest

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Question # 8

Which of the following is the most fragile ecosystem.

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Grass land

Wood land

Tundra

Savanna

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Question # 9

At the time of independence in 1947 the population of pakistan was

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10 m

20 m

25.7 m

32.5 m

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