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Animal Kingdom

Multiple Choice Questions

181.

'Water vascular' system is found in

sea-anemone
sea-pen
sea-cucumber
sea-horse

182.

Retrogressive metamorphosis occurs in

Hemichordata
Cephalochordata
Urochordata
Vertebrata

183.

'Organ of Jacobson' helps in

touch
vision
smell
hear

184.

Cysticercus stage is formed in

Taenia
Plasmodium
Leishmania
Wuchereria

185.

Which of the following is a catadromous fish?

Hilsa sp.
Mystus sp.
Anguilla sp.
Channa sp.

186.
Which of the following animal belongs to class-Crustacea?

Cockroach

Cyclops

Grasshopper

Mosquito

Cyclops

Cyclops are crustaceans and related to lobsters, crabs and shrimp. They are invertebrates with a hard outer shell. They have five pairs of legs and a divided tail-like appendage called a furca. They are small about 2-3 mm long with one black or red eye in the middle of their head.