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Phylum - Coelentrata MCQ - Multiple Choice Question and Answer

Phylum - Coelentrata MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 1
Tentacles of Hydra help in

locomotion
food capturing
locomotion and food capturing
respiration

Question No : 2
Coelenteron of Hydra serves the double purpose of

digestion and circulation
digestion and storage
excretion and locomotion
circulation and storage

Question No : 3
Among coelenterates medusoid individuals are absent in members of the class

hydrozoa
scyphozoa
anthozoa
all the three

Question No : 4
The flagella of food-absorbing cells in hydra aid in

stirring up the digestive fluid in the digestive cavity
engulfing food particles
engulfing semi-digested particles inside food- absorbing cells
none of these

Question No : 5
Rhopalia are the sense organs in medusa belonging to the class

hydrozoa
scyphozoa
actinozoa
all of these

Question No : 6
The first invertebrates to develop a true nervous system are

sponges
coelenterates
annelids
arthropods

Question No : 7
Pueumatophore is present in

Tubularia
Obelia
Hydra
Physalia