Phylum Mollusca: Class Gastropoda
Prosobranchia is subclass of class
bivalvia
gastropoda
cephalopoda
Annelida
gastropoda
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Many snails that are living in marine ecosystem are:A. monoceious
B. dioceous
C. males
D. female
Sea hares and sea slugs are included in subclass
A. pulmonata
B. Prosobranchia
C. opisthobranchia
D. gastropoda
In some gastropods, mantle in form of a rolled extension named as:
A. shell
B. sheath
C. siphon
D. ocelli
In gastropods, spiral cleavage results in formation of free-living larva named as:
A. trochophore
B. Muller’s larva
C. dipleurula
D. planula
Members of class Gastropoda have
A. open circulatory system
B. close circulatory system
C. lack circulatory system
D. complete circulatory system
How many species of subclass Pulmonata have?
A. 17,000 species
B. 19,000 species
C. 15,000 species
D. 12,000 species
Smallest gastropods propel themselves over mucous trail by help of:
A. cilia
B. flagella
C. foot
D. pedal
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