The abdomen has ….. while thorax has ……... ganglia
(1) Six, three
(2) Nine, six
(3) Three, two
(4) Two, one
(1) Six, three
(2) Nine, six
(3) Three, two
(4) Two, one
The brain of cockroach has nervous system which supply to-
(1) Antennae and compound eyes
(2) Antennae and hypopharynx
(3) Antenaae, compound eyes and hypopharynx
(4) Only compound eyes
Among the following organs which ones are not sense organs:
Antennae, maxillary palps, mandibular palps, labralpalps, labial palps and anal cerci
(1) Mandibular palps, labralpalps
(2) Anal cerci and maxillary palps
(3) Maxillary palps and mandibular palps
(4) Anal cerci and labial palps
Ommatidia are not
(1) Hexagonal
(2) 2000 in a cockroach
(3) Multiple images of an object
(4) All are correct with respect to ommatidia of cockroach
Mosaic vision does not possess which character
(1) More sensitivity
(2) More resolution
(3) Nocturnal vision
(4) Multiple images of an object
Male reproductive system of cockroaches has not
(1) A pair of testes on lateral side in 4th and 6th segment of abdomen
(2) Paired ejaculatory ducts
(3) An accessory reproductive gland which is mushroom shaped in 7th abdominal segment
(4) Phallomeres are chitinous asymmetrical Structures surrounding the male gonopore
At the time of copulation in Cockroach
(1) Sperms are discharged
(2) Spermatophores are discharged
(3) Spermatheca are discharged
(4) Spermatozoa are discharged
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
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
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