An animal placed in an airtight transparent jar and is kept in sunlight, as shown in the figure.

How can the animal be helped to survive for a long time?

By placing another mouse in it

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By placing a green plant in it

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By removing all the air through a vacuum pump

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By placing a burning candle in it

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Solution

The correct option is B
By placing a green plant in it

The animal that is kept in the jar uses oxygen and releases carbon dioxide while respiring. If we place a green plant in the jar, the plant uses $C O_{2}$ and releases oxygen which enables the animal to breathe and survive for a longer time.

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Fig. (a)

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An animal placed in an airtight transparent jar and is kept in sunlight, as shown in the figure. How can the animal be helped to survive for a long time?

The correct option is B By placing a green plant in it The animal that is kept in the jar uses oxygen and releases carbon dioxide while respiring. If we place a green plant in the jar, the plant uses CO2 and releases oxygen which enables the animal to breathe and survive for a longer time.

An animal placed in an airtight transparent jar and is kept in sunlight, as shown in the figure.

How can the animal be helped to survive for a long time?

The correct option is B
By placing a green plant in it

The animal that is kept in the jar uses oxygen and releases carbon dioxide while respiring. If we place a green plant in the jar, the plant uses $C O_{2}$ and releases oxygen which enables the animal to breathe and survive for a longer time.