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

Question # 1

The populations that live in a habitat and interact with one another are collectively called.

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Biosphere

Ecosystem

Community

species

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Question # 2

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 # 3

The total amount of living matter in an ecosystem at any time is called.

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Biomass

Energy

Food Chain

Food web

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Question # 4

Which one is an example of epiphyte?

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Mosquito

Orchid

rhizobium

Plasmodium

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Question # 5

Rabbit is a :

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Producer

Herbivore

Cornivore

Tertiary Consumer

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Question # 6

Conversion of Nitrates into nitrogen gas is called.

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Denitrification

Assimilation

Ammonification

Nitrogen fixtation

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Question # 7

The consumersthat eat animal flesh as well as plants and plant products are called:

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Herbivors

Carnivores

Omnivores

Insectivores

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Question # 8

Decomposers are:

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Algae and becteria

Mosses

Animal

Becteria and fungi

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Question # 9

The populations that live in a habitat nad interact with one another are collectively called:

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Biosphere

Ecosystem

Community

Species

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Question # 10

Largest unit of Ecology is.

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Species

Community

Ecosystem

Biosphere

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Question # 11

All the population that live in a habitat and interact in various ways with one another are collectively called:

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ecosystem

community

biosphere

populations

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Question # 12

R-2 means.

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Reduce

Recycle

Renewable

Reuse

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Question # 13

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

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Sun

Moon

Plants

Ocean

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