Phylum Arthropoda - Questions & Answers | Exam2Win

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31. Male and female Cockroaches can be distinguished externally through

A. Anal styles in male

B. Anal cerci in female

C. Anal style and antennae in females

D. Both B and C

Explanation:

32. Diagnostic feature of insects is

A. Three pairs of legs

B. A pair of compound eyes

C. Chitinous exoskeleton

D. Segmented body

Explanation:

33. A larval stage occurs in the life history of all members of the group

A. Frog, Lizard and Cockroach

B. Ascaris, Housefly and Frog

C. Housefly, Earthworm and Mosquito

D. Butterfly, Frog and Mosquito

Explanation:

34. Adult Culex and Anopheles can be distinguished with the help of

A. Mouth parts/colour

B. Sitting posture

C. Antennae/wings

D. Feeding habits

Explanation:

35. Complete metamorphosis occurs in

A. Moth

B. Grasshopper

C. Bed Bug

D. Silver Fish

Explanation: