Plant Kingdom Question 257
Question: Assertion : Riccia is many cells thick. Reason : Riccia has both assimilatory region and storage region.
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: B
Solution:
The externally simple thallus of Riccia shows a more elaborate internal structure.
It is many cells deeps.
Thallus of Riccia has two distinct regions.
(i) An upper or dorsal assimilatory or photosynthetic region.
(ii) A lower or ventral storage region.