Question # 1

All herbivore animals are.

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Grass eater

Parasites

Predators

Prey

It is an example of endoparasite:

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mosquitoes

leeches

lice

plasmodium

An example of Endoparasite.

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Mosquitoes

Leech

Plasmodium

Lice

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

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Bacteria

Virus

Algae

Fungi

The materials flow from one trophic level to the next by means of:

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Food chains

Food web

Both a & b

None of these

Which Charles Eiton developed the concept of ecological pyramids?

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1926

1927

1928

1929

In ecosystem the role of decomposers is played by

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animals

plants

bacteria and fungi

algae

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

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Herbivors

Carnivores

Omnivores

Insectivores

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

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Biosphere

Ecosystem

Community

species

Which one of the following is tertiary consumer.

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Owl

Larva of burtterfly

Deer

Rabbit

Water , soil, air, temperature, wind and sunlight are example of:

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Biotic factors

Biomass

Environment

Abiotic factors

When we eat the onion, our trophic level is

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Primary consumer

Secondary consumer

Decomposer

Producers

Organisms in the ecosystem that are responsible for recycling of plant and animal wastes are.

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Producers

Consumers

Decomposers

Competitors

The base of food chain is always formed by:

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Producers

Consumers

Decomposrs

Heterotrophs

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