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Standard IX

Biology

Amphibia

Assertion [A]...

Question

Assertion [A] : In hemichordates, body is divided into proboscis, collar and trunk.

Reason [R] : The proboscis helps in digestion.

Both assertion A and reason R are wrong

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Both assertion A and reason R are correct

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Assertion is correct and Reason is wrong.

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Assertion is wrong and Reason is correct.

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Solution

The correct option is C
Assertion is correct and Reason is wrong.

Proboscis is a part of the hemichordate body but isn't involved in digestion as they are saprophytic and holozoic and food enters directly into the buccal cavity .

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Assertion [A] : In hemichordates, body is divided into proboscis, collar and trunk. Reason [R] : The proboscis helps in digestion.

The correct option is C Assertion is correct and Reason is wrong. Proboscis is a part of the hemichordate body but isn't involved in digestion as they are saprophytic and holozoic and food enters directly into the buccal cavity .

Assertion [A] : In hemichordates, body is divided into proboscis, collar and trunk.

Reason [R] : The proboscis helps in digestion.

The correct option is C
Assertion is correct and Reason is wrong.

Proboscis is a part of the hemichordate body but isn't involved in digestion as they are saprophytic and holozoic and food enters directly into the buccal cavity .