Question # 1

Which of the following is the most fragile ecosystem.

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Grass land

Wood land

Tundra

Savanna

A pesticide is a chemical which destroys agricultural

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Pests

Competitors

Crops

Both a & b

In oceans especially in tropical regions temperature of surface water is about

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10^oC

15^oC

25^oC

35^oC

Fresh water ecosystem covers less than.

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1%

3%

5%

7%

In aquatic ecosystem , near shore zone is called.

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Limnetic zone

Littoral zone

Profundal zone

Benthic zone

Chilas has major terrestrial ecosystem.

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Deciduous forest

Alpine Forest

Grass land

Tundra

Which one is not desert.

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Thar

Thal

Sahara

Talga

What will be the age of willow tree 10 centimeter long and 70 centimeter in diameter

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40 years

50 years

60 years

70 years

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

The producers in limnetic zone are

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Amoebae

Cyanobacteria

Crustaceans

Hydrilla

Rain that falls on high areas such as mountains possesses large amount of garvitational

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Heat energy

Kinetic energy

Electrical energy

Potential energy

Desert ecosystem of Bhakkar and Mian wali is called.

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Thal

Thar

Cholistan

Rohi

Which of the following is NOT recycled in ecosystem?

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Carbon

Sulphur

Energy

Water

In Sindh, the desert ecosystem is called.

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Thar

Sahara

Gobi

thal

Each nuclear power station only can last for about

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10 years

20 years

30 years

40 years

In spermatophytes important step in land adaptation is the evolution.

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Seed coat

Fruit

Pollen tube

Flower

A dominant plant of the deciduous forest is the

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Cactus

Acacia

euphorbia

Taxusbaccata

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

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