Structural Organisation In Animals Question 66
Question: Assertion : Urinary bladder can considerably expand to accommodate urine. Reason : It is lined by stretchable squamous epithelium.
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: C
Solution:
Urinary bladder is not lined by squamous epithelium but by transitional epithelium which is a stretchable compound epithelium.
It has a single layer of cuboidal cells at the base, 2-3 middle layers of large polygonal cells and a superficial layer of large, broad rectangular cells.
Stretching considerably flattens and broadens the cells of superficial and middle layers, hence causing expansion of the urinary bladder.
BETA
