Category: Zoology
‘Gastrovascular cavity’ is found in which phylum
A. Echinodermata B. Porifera C. Molluscs D. Cnidaria
Platyhelminthes exhibit which type of symmetry?
A. Radial symmetry B. Bilateral symmetry C. Pentamerous radial symmetry D. Asymmetrical
‘Catch connective tissue’ is found in which phylum
A. Echinodermata B. Porifera C. Molluscs D. Cnidaria
Symmetry exhibited by echinoderms
A. Radial B. Bilateral C. Pentamerous radial D. Biradially symmetrical
Which is most appropriate for symmetry exhibited by Ctenophores
A. Radial B. Bilateral C. Pentamerous radial D. Biradially symmetrical
Porifera exhibit which type of symmetry?
A. Radial B. Bilateral C. Pentamerous radial D. Asymmetrical
‘veliger larva’ is the planktonic larva found mostly in
A. Platyhelminthes B. Nematoda C. Molluscs D. Annelida
Which is the copper containing respiratory pigment present in Mollusca?
A. Hemosiderin B. Hemocyanin C. Anthocyanins D. Leghemoglobin
All of the following in arthropods helps for excretion EXCEPT-
A. Malpighian tubules B. Green glands C. Coxal glands D. Flame cells
Which is the balancing organ in arthropods ?
A. Pinacocytes B. Solenocytes C. Statocysts D. Colloblasts
Which cells are similar to ‘Flame cells’?
A. Pinacocytes B. Solenocytes C. Choanocytes D. Colloblasts
Pin worm
A. Ascaris lumbricoides B. Enterobius vermicularis C. Wuchereria bancrofti D. Ancylostomaa deuodenale
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
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