Question # 1

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

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grass

grasshopper

sparrow

hawk

______ get solar energy and transform it into chemical energy by the process of photosynthesis.

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Decomposers

Producers

consumers

Predators

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

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Consumers

Producers

Decomposers

Predators

Largest unit of Ecology is.

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Species

Community

Ecosystem

Biosphere

Identify the correctly matched pair:

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Rainfall biotic factors in ecosystem

Global warming formation of fossil fuels

Renewable natural resources air

Corn secondary consumer

The populations that live in a habitat nad interact with one another are collectively called:

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Biosphere

Ecosystem

Community

Species

It is an example of primary consumers.

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Cattles

Snake

Lion

Tiger

Which one of the following is a tertiary consumer:

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Owl

Larwa of butterfly

Deer

Rabbit

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.

Which one of the example of abiotic factor?

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Decomposoer

Light

Water

Soil

Conversion of urea and uric acid into Ammonia is called.

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Assimilation

Nitrogen fixation

Ammonification

Biological fixation

Which of the following is the abiotic part of ecosystems?

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Grass

Goat

Lion

Soil

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

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Nitrogen Gas

Ammonia

Nitrage

Nitrates

Which Charles Eiton developed the concept of ecological pyramids?

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1926

1927

1928

1929

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