Question

Single-layer of tall and slender cells with basal nuclei occurs in:

• A. Stomach
  
• B. Tubular part of nephrons
  
• C. Air sacs of lungs
  
• D. Pharynx
  

Answer 1

Answer: (A)

Stomach

• Single-layer of tall and slender cells with basal nuclei are called columnar epithelial cells. They occur in the lining of stomach and intestines.
• Cuboidal epithelial cells are present in the tubular part of nephrons.
• Air sacs of lungs or alveoli are lined by simple squamous epithelium cells.
• Stratified columnar epithelium cells occur in the pharynx.

So, the correct answer is option A.