Solved MCQS of Zoology
Members of which of the following mollusc classes would be characterized by a reduced head, a mantle that surrounds the entire body and a tusk-shaped shell?
Scaphopoda
Gastropoda
Polyplacophora
Bivalvia
A specialized region analogous to mouth called cytopharynx is present in group
Polycheate
Porifera
Ctenophora
Protista
_____ depict a sequence in the origion of derived characters
Monogram
Cladogram
Phylogenetic tree
None of above
Schizogony means
to emit
to join
to split
None of above
As protozoa are small, they have ——— surface area in proportion to their volume
Both A and B
less
Large
The Gastropoda and the Cephalopoda form a clade characterized by a dorsoventrally elongate body and shell coiling.
None of Above
TRUE
FALSE
Most polychaetes are
Monoecious.
Protandric.
Dioecious.
Asexual.
Which of the following is true of the radula of most molluscs?
It is used in gas exchange
It is used in excretion
It is used in reproduction
It is used in rasping food
Intermediate host for fish tape worm is
Humans
Pig
Snail
Copepod
Nematodes live in both aquatic and terrestrial environments
FALSE
TRUE
none of the above
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