Q. No.Female reproductive system of cockroaches has
(1) Ovaries lie ventrally in the 2nd to 6th abdominal segments
(2) Total 8 ovarian tubules or ovarioles
(3) Vagina also known as single median oviduct
(4) A spermatheca is present in the 6th segment
(1) Ovaries lie ventrally in the 2nd to 6th abdominal segments
(2) Total 8 ovarian tubules or ovarioles
(3) Vagina also known as single median oviduct
(4) A spermatheca is present in the 6th segment
Find the incorrect match.
(1) Ovarioles in female cockroach - 16
(2) Ommatidia in Cockroach -4000
(3) Spermatheca - 2
(4) Ejaculatory duct-1
Oothecae
(1) Dark yellowish capsule
(2) Around 8 cm long
(3) Dropped near a food source with high humidity
(4) 14-16 in number
If a female cockroach has 10 oothecae then what will be the number of total eggs
(1) 145
(2) 200
(3) 230
(4) 110
If each oothecae in a female cockroach has 15 eggs, then what will be the number of total eggs in a female cockroach?
(1) 145
(2) 100
(3) 350
(4) 200
If total number of eggs in a female cockroach is found to be 150, then how many oothecae could be there?
(1) 4
(2) 10
(3) 15
(4) 25
How many molting will be observed in the case of female cockroaches for 20 eggs thinking that all will be converted in adults?
(1) 260
(2) 120
(3) 130
(4) 660
Nymph of cockroaches
(1) A larval stage
(2) Undergo 18 molting
(3) Have wing pads in all stages
(4) Proof of paurometabolous Development
If during development of P. americana total 39 molting were observed of different sequential stages, then how many eggs were there?
(1) 3
(2) 13
(3) 6
(4) 9
Cockroaches are
(1) Vector for bacterial disease
(2) Of no economic importance
(3) Bisexual
(4) More than one option is correct
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