Coelenterata Ctenophora - Questions & Answers | Exam2Win

Take a timed mock test specifically for Coelenterata Ctenophora.

336. Feeding zooids of Physalia are called

A. Gastrozooids

B. Dactylozoids

C. Gonodendra

D. Gonopalpons

Explanation:

337. Growth zone of Hydra is

A. Diffused

B. Near the foot

C. Below hypostome

D. In the middle

Explanation:

338. Number of tentacles in a polyp of Obelia is

A. 5 -10

B. 10 - 15

C. 15 - 20

D. 20 - 30

Explanation:

339. Contractile structure of nematoblast is

A. Lasso

B. Cnidocil

C. Tube

D. Refractive rods

Explanation:

340. Coelenterate without medusoid stage in life cycle is

A. Obelia

B. Aurelia

C. Physalia

D. Metridium

Explanation: