Question # 1

Th graphical epresentation of tropihic relationship oforaganisms in an ecosystem is called.

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Food Chian

Ecological pyramid

Trophic level

Predation

Which is the solution of environmental problems.

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Reducing pollution

Plantation

Protection of endangered

All these

The energy of the Sun in traped as chemical energy by.

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Tertiary consumers

Primary consumers

Producers

Secondary consumers

Half of the increase in atmospheric carbon dioxide concentrations in the last.............. years has occured since 1980

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100

200

300

400

Organism in ecologicla communits interact with one anothe rin....... major ways.

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Two

three

Four

Five

During respiration by the animals, whihc gas is released into the atmosphere.

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Nitrogen

Oxygen

Carbon Di oxide

Hydrogen

Green house gases is

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Carbon di oxide

Methane

Oxides of nitrogen

All these

Energy of ............ is trapped as chemicla energy by producers.

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Moon

Atom

Sun

Earth

A food chain starts from the..........

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Primary carnivores

Herbivores

Producers

Top carnivores

The organisms upon whihc a redator feeds are called.

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Prey

Carnivores

Herbivores

Producers

Which factor is responsible for ecological imbalance.

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Over hunting

Change in water supply

Migration

All these

A symbiotic relationship in whihc both speciesl get benefit is called.

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Commensalism

Hebitate

Mutualism

Symbiosis

A relationship where two species live together closely is called

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Symbiosis

Predation

Competitor

None of these

The poisonous and harmsful substances which make the air unfavorable for life are called.

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Solid pollutant

Air pollutant

Water pollutant

Acid Rain

All the food chains are joined together to form .....

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Food web

Ecologicla pyramid

Tropicla level

None of these

Consumers that actively hunt other organism are called.

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Prey

Competitor

Predator

Symbiont

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