Shell of pilla is:
A.Bivalved
B.Globular and coiled
C.Cup like
D.None of these
Category: Phylum Mollusca Mcqs
Trochophore larva is found in:
A.Earthworm
B.Mosquito
C.Pila
D.None of these
A cavity outside body called mantle cavity is found in:
A.Molluscs
B.Cnidarians
C.Arthropods
D.Echinoderms
Ventral nerve cord is absent in which of these:
A.Cockroach and other insects
B.Earthworm and other annelids
C.Pila and other molluscs
D.None of these
Shell is secreted by:
A.Foot
B.Mantle
C.Osphradium
D.Visceral mass
Muscular foot is found in:
A.Hydra
B.Mosquito
C.Leech
D.Pila
Planktonic development occurs in:
A.Pila
B.Earthworm
C.Cockroach
D.House-fly
Head is not found in:
A.Pila
B.Lamellidens
C.Cockroach
D.Nereis
Tentacles is Pila are:
A.Single
B.One pair
C.Two pairs
D.Absent
Shell of Pila has:
A.Outer most perisotracum only
B.Outer most periostracum and middle prismatic layers
C.Outer most periostracum, middle prismatic layer and innermost nacreous layers
D.None of these
