Question # 1

Which of the following is the abiotic component of an ecosystem?

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producers

Herbivores

Carnivorse

Oxygen

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

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Consumers

Producers

Decomposers

Predators

A community and its biotic components is known as:

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Biosphere

Habitat

Ecosystem

Food web

The study of the relationship between organisms and their environment called.

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Biology

Microbiology

Ecology

Genetics

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

Abiotic component of ecosystem is.

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Producers

Herbivores

carnivore

Oxygen

R-2 means.

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Reduce

Recycle

Renewable

Reuse

Rabbit is a.

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Producer

Herbivore

cornivore

Teriary consumer

During nitrogen fixation nitrogen is converted into:

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Nitrates

nitrates

ammonia

all to these

Which form of nitrogen is taken by the producers of the ecosystem?

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Nitrogen gas

Ammonia

Nitrates

Nitrites

The thickness of biosphere is:

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02 km

20 km

50 km

200 km

Rabbit is a :

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Producer

Herbivore

Cornivore

Tertiary Consumer

_________ atom is the principal building block of many kind of biomolecules.

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Oxygen

Carbon

Hydrogen

Nitrogen

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