Columnar Epithelial Cell

Q. Read the following (A-D) statements.
A - It is composed of single layer of tall and slender cells
B - Their nuclei are located at the base
C - Free surface may have microvilli
D - They are found in the walls of blood vessels and air sac of lungs

How many of the above statement(s) is/are incorrect for simple columnar epithelium?

1. Four
2. Three
3. Two
4. One

Q. Which of the following pairs of tissues contain microvilli?

1. Squamous epithelium and cuboidal epithelium
2. Cuboidal epithelium and columnar epithelium
3. Columnar epithelium and pseudostratified epithelium
4. Squamous epithelium and pseudostratified epithelium

Q. The small intestine involved in food absorption have _________on their surface

1. Squamous epithelial cells
2. Simple cuboidal epithelial cells
3. Ciliated epithelium
4. Simple columnar epithelium