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81.

Common features of tracheae of cockroach and rabbit is that both:

A.	Have crtilagenous rings	B.	Have no-collagsible walls
C.	Are paired and branched	D.	Are endodermal in origin

82.

Haemoglobin containing red blood is absent in:

A.	Rat	B.	Mosquito and house-fly
C.	Earthworm	D.	Bird

83.

Reduced wings are present in:

A.	Periplanata	B.	Blatta
C.	Mosquito	D.	House-fly

84.

Number of postgenital segments in cockroach is:

A.	One	B.	Two
C.	Three	D.	Four

85.

Anal cerci in cockroach are present in between:

A.	Epiproct and paraproct	B.	Two paraprocts
C.	Tergum and epiproct	D.	Tergum and sternum

86.

Space enclosed by mouth-parts in cockroach is called:

A.	Oral cavity	B.	Pre-oral cavity
C.	Buccal cavity	D.	None of these

87.

Food chamber in the cockroach is called:

A.	Salivarium	B.	Cibarium
C.	Food meatus	D.	Oral cavity

88.

Which of these is not the part of stomodaeum in cockroach:

A.	Proventriculus	B.	Ventriculus
C.	Crop	D.	Oesophagus

89.

Crushing membrane is found in:

A.	Crop	B.	Proventriculus
C.	Ventriculus	D.	None of these

90.

Innermost lining of corp is:

A.	Cuticular intima	B.	Basement membrane
C.	Epithelium	D.	Muscles