Question

Protists having cnidoblasts and trichocysts are

• A. Dinoflagellates
• B. Ciliates
• C. Sarcodines
• D. Helizoans

Answer 1

The correct option is A Dinoflagellates

Protists having cnidoblasts and trichocysts are dinoflagellates. Dinoflagellates are photosynthetic protists having a golden brown color that belongs to the class Dinophyceae. They are mainly marine dwellers with few organisms growing in freshwater forms. They show red, yellow, green, brown or blue appearance that occurs due to the pigment present in the cell.

So, option A is the correct option.