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

Question # 1

Formation of Nitriates and nit5rates from ammonia is called.

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Nitrification

Ammonification

Denitrification

Assimilation

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Question # 2

It is an example of primary consumers.

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Cattles

Snake

Lion

Tiger

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Question # 3

------------ is use for the cleaning of sewage water.

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Bacteria

Virus

Algae

Fungi

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Question # 4

Endoparasite is:

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Leech

Lices

Ascaris

Mosqitto

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Question # 5

______ get solar energy and transform it into chemical energy by the process of photosynthesis.

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Decomposers

Producers

consumers

Predators

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Question # 6

In ecosystem the role of decomposers is played by

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animals

plants

bacteria and fungi

algae

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Question # 7

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 # 8

The type of symbiotic association in which partner gets benefits while ohter is neither benefited nor harmed is called.

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Commenaslism

Mutualism

Parasitism

Predation

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Question # 9

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

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Question # 10

All ecosystem of the world join and makees:

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Biosphere

Heterosphere

Geosphere

Hydrosphere

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Question # 11

Habitat destruction can result in a loss of:

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Species

Population

Community

Ecosystem

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Question # 12

Consumers include:

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animals

protozoans

fungi

all of these

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Question # 13

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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