Digestion in cnidarians is:
A.Extracelular
B.Intracellular
C.Both (a) & (b)
D.None of these
Category: Phylum Cnidaria or Coelentrata Mcqs
Symmetry of the polyp is:
A.Bilateral
B.Radial
C.Irregular
D.None of these
Symbiotic algae is found in which of these cells of hydra:
A.Gastrodermal cells
B.Epitheliomuscular cells
C.Mesogloea
D.Interstitial cells
Often hydra is seen moving upon its tentacles, using them as legs. This is called:
A.Somersaulting
B.Gliding
C.Looping
D.Walking
Response of Hydra to light is:
A.Photonegative
B.Photopositive
C.Some photopositive some negative
D.None of these
Phylum Cnidaria was named, by:
A.Leukart
B.Aristotle
C.Hatschek
D.Haeckel
Epidermis of Hydra contains:
A.Cnidoblasts only
B.Chidoblasts and interstititial cells
C.Cnodoblasts, interstititial cells and epithelia muscular cells
D.None of these
Which of these is found in Hydra:
A.Metabolism
B.Metamerism
C.Metamorphosis
D.Sexual dimorphism
Egg of Hydra is:
A.Naked
B.Covered by chitinous shell
C.Covered by perisrac
D.None of these
The characteristic of cnidarian is:
A.Mesogloea
B.Pedal disc
C.Manudrium
D.Nematocysts
