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Assertion: Spirogyra is slippery in touc...

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

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B

If both assertion and reason are true but the reason is not a correct explanation of the assertion

C

If the assertion is true but the reason is false

D

If both the assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
a
In Spirogyra, the outermost portion of pectose changes into pectin. The latter dissovles in water to form the so called gelatinous sheath which is silmy. It envelopes the entire filament. This makes filament slippery in touch.
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