HARD
9th ICSE
IMPORTANT
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Write four differences between catabolic and anabolic processes with suitable examples.

Important Questions on Respiration in Plants

MEDIUM
9th ICSE
IMPORTANT
Explain the mechanism of anaerobic respiration in detail giving examples of organisms in which it occurs.
MEDIUM
9th ICSE
IMPORTANT

Two thermos flasks, one containing moist seeds and the other containing dry seeds were fitted with thermometers in cotton wool plugs as shown in the diagram. The initial temperature on both the thermometers was noted. After about 48 hours the temperature in flask A was found to be much higher than in flask B.

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State the object of using the apparatus.

MEDIUM
9th ICSE
IMPORTANT

Two thermoflasks, one containing moist seeds and other containing dry seeds were fitted with thermometers in cotton wool plugs as shown in the diagram. The initial temperature on both the thermometers was noted. After about 48 hours the temperature in flask A was found to be much higher than in flask B.

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Explain, why a rise in temperature occurs in flask A? 

HARD
9th ICSE
IMPORTANT

Two thermoflasks, one containing moist seeds and other containing dry seeds were fitted with thermometers in cotton wool plugs as shown in the diagram. The initial temperature on both the thermometers was noted. After about 48 hours the temperature in flask A was found to be much higher than in flask B.

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Why there is no rise in the temperature of flask B?

HARD
9th ICSE
IMPORTANT

Given below is an experiment, set up by a candidate, to study the process of respiration in plants. The candidate failed to get the expected results, as two mistakes were made while setting up the experiment.

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Identify and state the two mistakes made by candidate.

MEDIUM
9th ICSE
IMPORTANT

Given below is an experiment, set up by a candidate, to study the process of respiration in plants. The candidate failed to get the expected results, as two mistakes were made while setting up the experiment.

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What is the role of soda lime in the experiment?

HARD
9th ICSE
IMPORTANT

Given below is an experiment, set up by a candidate, to study the process of respiration in plants. The candidate failed to get the expected results, as two mistakes were made while setting up the experiment.

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What is the purpose of using limewater in flask A and B?

HARD
9th ICSE
IMPORTANT

Given below is an experiment, set up by a candidate, to study the process of respiration in plants. The candidate failed to get the expected results, as two mistakes were made while setting up the experiment.

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Write the chemical equation to represent the process of respiration.