Which of the following are stinging cells on tentacles?
A. Pinacocytes
B. Nematocysts
C. Flame cells
D. Choanocytes
‘Aristotle’s Lantern’ seen in
A. Sea cucumber B. Brittle star C. Sea urchin D. Sea gooseberry ANSWERC. Sea urchinAristotle’s…
‘Gonophore’ is a reproductive organ in
A. Hydrozoa B. Porifera C. Molluscs D. Echinodermata ANSWERA. Hydrozoa.gonophore is a reproductive organ in…
‘Gastrovascular cavity’ is found in which phylum
A. Echinodermata B. Porifera C. Molluscs D. Cnidaria ANSWERD. Cnidaria Gastrovascular cavity is the primary…
Which is ‘Box jellyfish’?
A. Cubozoa B. Scyphozoa C. Staurozoa D. Hydrozoa ANSWERA. Cubozoa
Which is ‘true jellyfish’?
A. Cubozoa B. Scyphozoa C. Staurozoa D. Hydrozoa ANSWERB. Scyphozoa.Cubozoa—box jellyfishScyphozoa—true jellyfishStaurozoa—stalked jellyfishHydrozoa—small jellyfish
Platyhelminthes exhibit which type of symmetry?
A. Radial symmetry B. Bilateral symmetry C. Pentamerous radial symmetry D. Asymmetrical ANSWERB. Bilateral symmetryPlatyhelminthes…