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Biology 10th Class English Medium Chapter 16 Online Test MCQs With Answers

Question # 1

In the atmosphere, carbon is found as

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graphite

diamond

carbonates

carbon dioxide

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Question # 2

Which one is an example of epiphyte?

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Mosquito

Orchid

rhizobium

Plasmodium

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Question # 3

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 # 4

Rabbit is a :

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Producer

Herbivore

Cornivore

Tertiary Consumer

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Question # 5

Which are put in first trophic level?

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Carnivores

Producers

Herbivores

Consumers

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Question # 6

Dengue fever is an infection of.

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Algal

Viral

Fungal

Bacterial

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Question # 7

Nitrobactor bacteria converts nitrites into:

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nitrogen

nitrates

urea

ammonia

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Question # 8

Organisms in the ecosystem that are responisble for recycling of plant and animal wastes are:

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Producers

Consumers

Decomposers

Compititors

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Question # 9

When we eat the onion, our trophic level is

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Primary consumer

Secondary consumer

Decomposer

Producers

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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

The producers of ecosystem are:

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fungi

bacteria

green plants

man

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Question # 12

Organisms that make their own food with help of sunlight, CO and H₂O are called.

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Consumers

Producers

Decomposers

Predators

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Question # 13

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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