Phylum Arthropoda - Questions & Answers | Exam2Win

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156. The two valves are unequal in the shell of

A. Unio

B. Lamellidens

C. Pinctada

D. All the above

Explanation:

157. Glow worm/Fire Fly is

A. Insect

B. Arachnid

C. Diplopod

D. Chilopod

Explanation:

158. Limax is a

A. Plano-convex mollusc

B. Naked gastropod

C. Gastropod with external shell

D. Amphibious gastropod

Explanation:

159. Time taken for the pearl to be formed is

A. One year

B. Three years

C. Five years

D. Seven years

Explanation:

160. Diameter of eye in Architeuthes is

A. 7.5 cm

B. 17.5 cm

C. 37.5 cm

D. 57.5 cm

Explanation: