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Animal Kingdom

Short Answer Type

231.

Name two internal characteristic features of class-Mammalia

232.

State the advantages of composite fish culture.

Multiple Choice Questions

233.

'Water vascular' system is found in

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

234.

Retrogressive metamorphosis occurs in

Hemichordata
Cephalochordata
Urochordata
Vertebrata

235.

'Organ of Jacobson' helps in

touch
vision
smell
hear

236.

Cysticercus stage is formed in

Taenia
Plasmodium
Leishmania
Wuchereria

237.

Which of the following is a catadromous fish?

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

238.

Which of the following animal belongs to class-Crustacea?

Cockroach
Cyclops
Grasshopper
Mosquito

239.
Radula is found in

Pila sp.

Chiton sp.

Lamellidens sp.

Pinctada sp.

Pila sp.

Radula is a tongue-like organ of molluscs (Pila) consisting of a horny strip whose surface is studded with rows horny teeth for rasping food. In some species, it is modified for scraping or boring.

240.

the scientific name of Asian Tiger Mosquito

Aedes aegypti
Aedes albopictus
Aedes taeniorhynchus
Aedes albolineatus