CSS :: Phylum Arthropoda

31.  Cockroach has no RBCs and haemoglobin because:
A. It is an invertebrate B. It does not respire
C. Its blood does not transport O2 and CO2 as tissues have direct exchange of gases from air D. Haemocyanin is O2 carrier in its blood

32.  Reproduction without fertilization occurs in:
A. Male boney-bee B. Cockroach
C. Scorpion D. None of these

33.  Complete metamorphosis occurs in:
A. House-fly B. Cockroach
C. Snail D. Scorpion

34.  Mouth-parts of cockroach are adapted for:
A. Cutting and chewing B. Drilling
C. Piercing D. Sucking

35.  Which of the two parts in cockroach are fundamentally similar in structure:
A. Anal styles and labrum B. Mandibles and antennae
C. Maxillae and legs D. Wings and anal cerci

36.  Cockroach is active in:
A. Day time B. Night hours
C. Morning hour D. Evening hours

37.  Which of these is a poor flier:
A. House-fly B. Mosquito
C. Cockroach D. Spider

38.  Number of segments forming thorax in cockroach is:
A. One B. Two
C. Three D. Four

39.  Which of these has fixed number of body segments and legs:
A. Tacnia B. Earthworm
C. Cockroach and ants D. Hydra

40.  Anal styles are found in:
A. Male cockroach B. Female cockroach
C. Both (a) & (b) D. None of these

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