Plant Kingdom Question 35
Question: Assertion : Spirogyra is slippery in touch. Reason : Spirogyra consists a gelatinous sheath.
Options:
A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the 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
Show Answer
Answer:
Correct Answer: A
Solution:
In Spirogyra, the outermost portion of pectose changes into pectin.
The latter dissolves in water to form the so-called gelatinous sheath which is slimy.
It envelopes the entire filament.
This makes filament slippery in touch.
BETA
