Symmetry exhibited by echinoderms
A. Radial
B. Bilateral
C. Pentamerous radial
D. Biradially symmetrical
Colloblasts or Lasso cells in Ctenophora help in
A. Defense B. Food capture C. Maintain osmolality D. Reproduction ANSWERB. Food captureThey lack nematocysts…
Which larval stage called ‘cydippid larva’?
A. Sycon B. Platyhelminthes C. Ctenophora D. Cnidarians ANSWERC. CtenophoraThey lack nematocysts but possess special…
First group of animals to exhibit tissue level organisation
A. Sycon B. Platyhelminthes C. Ctenophora D. Cnidarians ANSWERD. Cnidarians
Venus’ flower basket
A. Sycon B. Spongilla C. Euspongia D. Euplectella ANSWERD. Euplectella.Venus’ flower basket (Euplectella aspergillum) is…
Which of the following are stinging cells on tentacles?
A. Pinacocytes B. Nematocysts C. Flame cells D. Choanocytes ANSWERB. Nematocysts.Nematocysts or cnidocysts represent the…
Flagellated cells lining the spongocoel
A. Pinacocytes B. Spongocytes C. Choanocytes D. Grey cells ANSWERC. ChoanocytesChoanocytes or collar cells are…