Question

Which nematoblasts coil around the prey?

• A. Penetrants
• B. Volvents
• C. Small glutinants
• D. Large glutinants

Answer 1

The correct option is B Volvents

In case of Penetrate the thread tube open at apex and discharged

with an explosive force that penetrates the body of pray and

injects hypnotoxin that paralyzes the pray.

In volvent type of Nematocyet the thread tube when discharge

coils tightly around the small hire type projection of Prey and hold it in

place.

small Glutinants, the trades tube discharges straight and unarmed

opens at the tip Where as in large Glutinants, the thread tube is

pointed and opens at the tip and bears a spinal row of small spines

Hence, nematoblast that coils around the prey is volvents.