Who classified organisms into six kingdoms?
A. Carl Woese
B. John Ray
C. Cavalier-Smith
D. Whittaker
All TRUE about ‘Flame cells’ EXCEPT –
A. It has Non-nucleated cell body B. Help in osmoregulation C. Help in excretion D. It has “cup-shaped” projection
Colloblasts or Lasso cells in Ctenophora help in
A. Defense B. Food capture C. Maintain osmolality D. Reproduction
Which larval stage called ‘cydippid larva’?
A. Sycon B. Platyhelminthes C. Ctenophora D. Cnidarians
First group of animals to exhibit tissue level organisation
A. Sycon B. Platyhelminthes C. Ctenophora D. Cnidarians
Which of the following are stinging cells on tentacles?
A. Pinacocytes B. Nematocysts C. Flame cells D. Choanocytes
Flagellated cells lining the spongocoel
A. Pinacocytes B. Spongocytes C. Choanocytes D. Grey cells