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10th Class Biology Chapter 16 Man and His Environment English Medium KPK Boards Online Mcqs MCQs With Answers

Question # 1

Nitrogen is an important component of:

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Proteins

Nucleic acid

Lipids

Both a and b

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Question # 2

Ectoparasite is:

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Ascaris

Amoeba

Plasmodium

Leech

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Question # 3

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

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Plants

Peat

Coal

Natural gas

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Question # 4

The only source of energy for all ecosystems of the world is.

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Sun

Moon

Plants

Ocean

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Question # 5

The study of the relationship between organisms and their environment called.

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Biology

Microbiology

Ecology

Genetics

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Question # 6

Ectoparasite is

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Ascaris

Amoeba

Leech

Plasmodium

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Question # 7

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

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400

500

600

700

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Question # 8

The type of symbiotic relationship in which one member get benefit and other is harmed is called.

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Parasitism

Mutualism

Commensalism

Predation

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Question # 9

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 # 10

A relationship between two organisms in which individual of one species may kill and eat individuals of other species is called.

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Symbiosis

Competition

Predation

Mutualism

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Question # 11

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 # 12

Livingof Nitrogen 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 # 13

An epiphyte is an example of:

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Parasitism

Mutualism

Commensalism

Symbiosis

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