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Phylum Arthropoda - Questions and Answers

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91. Trilobites evolved in
A. Precambrian
B. Ordovician
C. Silurian
D. Cambrian
Explanation:
92. The method of induction of foreign particles between the mantle and the shell of pearl oyster for the stimulation of pearl formation was introduced in Japan by
A. Katu
B. Mikimoto
C. Von Mohl
D. Haeckel
Explanation:
93. Sepia and Octopus are molluscs which can move swiftly by means of
A. Arms
B. Lateral fins
C. Suckers
D. Jet propulsion through siphon
Explanation:
94. Study of mollusca is called
A. Malacology
B. Conchology
C. Mammology
D. Mastology
Explanation:
95. Mature larva of Housefly is
A. Caterpillar
B. Wriggler
C. Grub
D. Maggot
Explanation: