Question

The mucus produced by the goblet cells
(I) Moistens the incoming air
(II) Traps the finest dust particles
(III) Filter out largest dust particles
(IV) Warm the incoming air

• A. I and II
• B. II and III
• C. Only IV
• D. All of these

Answer 1

The correct option is B II and III

A column-shaped cell found in the respiratory and intestinal tracts, which secretes the main component of mucus. The mucus produced by the goblet cells traps the finest dust particles and filter out largest dust particles.

So, the correct option is 'II and III'.