Structural Organisation In Animals Question 3
Question: Assertion : The cells of columnar epithelium in absorptive surfaces often bears microvilli on their free ends. Reason : Microvilli on their free ends.
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:
The columnar epithelium bearing microvilli on their free ends give a brush-like appearance to these free border.
Villus shaped microvilli greatly increase the area of the free surface of the cell and thereby enhance absorption.
Lining of gall bladder, stomach, large intestine are the example of columnar epithelium.
BETA
