Question # 1

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

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Consumers

Producers

Decomposer

Competitors

The only source of energy for all ecosystems of the world is.

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Sun

Moon

Plants

Ocean

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

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Nitrogen Gas

Ammonia

Nitrage

Nitrates

Primary source of energy for all ecosystem is.

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Electricity

Sun

Fire

Nutrients

Nitrogen is an important component of:

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Proteins

Nucleic acid

Lipids

Both a and b

A symbiotic interaction in which both partners get benefits.

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Mutualism

Commensalism

Parasitism

Predation

An example of carnivores plant is.

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Mosses

Ferns

Rose plant

Sundew

An organism that actively hunts other organisms is called.

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Prey

Predator

Parasite

Host

Which one of the following is not a temporary parasite?

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Mosquito

Virus

Leech

Bed bug

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

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Producers

Consumers

Decomposers

Compititors

Abiotic component of ecosystem is.

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Producers

Herbivores

carnivore

Oxygen

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

Biosphere surrounding the Earth is about.

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17 KM

18 KM

19 KM

20 KM

In the food chain ''grass→grasshopper''→sparrow→ hawk'',the secondary consumers is:

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grass

grasshopper

sparrow

hawk

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