Question

Which of the following is the characteristic feature of Ctenophora?

a. Cnidoblast

b. Collar cells

c. Colloblast

d. Tube feet​

Answer 1

Answer:

c) Colloblast is the characteristic feature of Ctenophora.

Explanation:

• The characteristic feature of Ctenophora are presence of eight comb plates for locomotion, absence of nematocysts and presence of colloblast of lasso cells on the tentacles for capturing food.
• Ctenophora is a phylum of organisms found in marine environments. Eight comb rows are commonly found on the outer surface. Swimming plates, also known as comb plates or swimming plates, are used for swimming.
• The stinging nematocysts are absent in Ctenophora. Lasso cells are stinging cells that can be both protective and attacking. All coelentrates have a large number of them.