‘Aristotle’s Lantern’ seen in
A. Sea cucumber B. Brittle star C. Sea urchin D. Sea gooseberry
Category: Zoology
‘Gonophore’ is a reproductive organ in
A. Hydrozoa B. Porifera C. Molluscs D. Echinodermata
‘Gastrovascular cavity’ is found in which phylum
A. Echinodermata B. Porifera C. Molluscs D. Cnidaria
Which is ‘Box jellyfish’?
A. Cubozoa B. Scyphozoa C. Staurozoa D. Hydrozoa
Which is ‘true jellyfish’?
A. Cubozoa B. Scyphozoa C. Staurozoa D. Hydrozoa
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
Water vascular system 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
Radial symmetry exhibited by
A. Platyhelminthes B. Nematoda C. Molluscs D. Cnidaria
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
Statocysts in arthropods function as
A. Excretion B. Digestion C. Balancing organ D. Reproduction
Statocysts are found in
A. Platyhelminthes B. Nematoda C. Arthropoda D. Annelida
Which cells are similar to ‘Flame cells’?
A. Pinacocytes B. Solenocytes C. Choanocytes D. Colloblasts
Largest phylum of the Kingdom Animalia
A. Platyhelminthes B. Nematoda C. Arthropoda D. Annelida
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
Flame cells help in
A. Defense B. Food capture C. Osmoregulation D. Reproduction
Lasso cells are present in
A. Sycon B. Platyhelminthes C. Ctenophora D. Cnidarians
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
Venus’ flower basket
A. Sycon B. Spongilla C. Euspongia D. Euplectella
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