Question # 1

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

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1

2

3

4

Decomposers are.

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Algae and bacteria

Mosses

Animal

Bacteria and Fungi

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

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Ammonification

Nitrification

Denitrification

None of these

All ecosystems of the world combine to form:

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Community

Population

Biosphere

Competition

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

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Herbivors

Carnivores

Omnivores

Insectivores

One of these cycles is also nutrients cycles.

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Biogeochemical cycles

Carbon cycles

Water cycles

Nitrogen cycles

Which form of nitrogen is taken by the producer of the Ecosystem?

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Nitrogen Gas

Ammonia

Nitrage

Nitrates

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

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Consumers

Producers

Decomposers

Predators

Which of the following is the abiotic part of ecosystems?

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Grass

Goat

Lion

Soil

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.

Dengue fever is an infection of.

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Algal

Viral

Fungal

Bacterial

In the food chain tree.... caterpillar.. robin..hawk....coyote, which is secondary consumer?

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Caterpillar

Robin

Hawk

Coyote

It is an example of primary consumers.

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Cattles

Snake

Lion

Tiger

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