Phylum Mollusca: Class Cephalopoda
Testis is part of male reproductive tract, that encases sperm in packets, named as:
shell
slit
matophores
trochophore
matophores
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A tongue-like structure that is used by Bivalvia for feeding is called:A. tongue
B. siphuncle
C. nautilus
D. radula
Members of class Bivalvia can change the:
A. habitat
B. food
C. structure
D. color
In class Cephalopoda, locomotion is via
A. foot
B. cilia
C. jet-propulsion system
D. podia
Eyes of cephalopods are similar to eyes of the:
A. vertebrates
B. invertebrate s
C. flies
D. ticks
Ability to change color is also helpful in:
A. feeding mechanism
B. defensive mechanism
C. locomotion
D. habitat
Speed of flying squid is clocked at nearly:
A. 20 km/hr
B. 30 km/hr
C. 40 km/hr
D. 60 km/hr
In cephalopods, gonads are present in the:
A. shell
B. dorsal portion of the visceral mass
C. ventral portion of the visceral mass
D. posterior to shell
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