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India as a British Colony

Assertion :Sp...

Question

Assertion :Spirogyra is slippery in touch. Reason: Spirogyra consists a gelatinous sheath.

A

Both the assertion and the reason are true and the reason is a correct explanation of the assertion.

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B

Both the assertion and reason are true but the reason is not a correct explanation of the assertion.

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C

Assertion is true but the reason is false.

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D

Both the assertion and reason are false.

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Solution

The correct option is A Both the assertion and the reason are true and the reason is a correct explanation of the assertion.
In Spirogyra, the outermost portion of pectin dissolves in water to form the a gelatinous sheath which is slimy. It envelopes the entire filament. This makes filament slippery in touch.
Hence, the correct option is A.

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