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

Question # 1

It is an example of endoparasite:

Choose an answer

mosquitoes

leeches

lice

plasmodium

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Question # 2

During nitrogen fixation nitrogen is converted into:

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Nitrates

nitrates

ammonia

all to these

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Question # 3

Which of the following air pollutant react with water in atmosphere producing acid rain?

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Hydrocarbons fluorine

Flyash, soot

chlorine , smoke

Sulphur dioxide, Nitrogen oxide.

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Question # 4

The major process that brings carbon from atmosphere into living world is:

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Photosynthesis

Respiration

Both a and b

None of these

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Question # 5

________ is break down of the proteins of dead organisms to ammonia.

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Ammonification

Nitrification

Denitrification

None of these

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Question # 6

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 # 7

An example of Endoparasite.

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Mosquitoes

Leech

Plasmodium

Lice

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Question # 8

Ectoparasite is

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Ascaris

Amoeba

Leech

Plasmodium

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Question # 9

Endoparasite is.

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Leech

Lices

Ascaris

Mosquito

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Question # 10

The conversion of ammonia to nitrates is carried out by soil bacteria. This process is called.

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Nitrification

Denitrification

Nitrogen fixation

Assimilation

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Question # 11

Conversion of Nitrates into nitrogen gas is called.

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Denitrification

Assimilation

Ammonification

Nitrogen fixtation

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Question # 12

A community and its biotic components is known as:

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Biosphere

Habitat

Ecosystem

Food web

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Question # 13

All herbivore animals are.

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Grass eater

Parasites

Predators

Prey

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