Q. No.Which of the following statements is wrong?
(1) Spiracles are regulated by sphincters in Cockroach.
(2) Tracheoles is the place for gaseous exchange
(3) There will be 10 pairs of spiracles
(4) Tracheoles divide into tracheal tubes
(1) Spiracles are regulated by sphincters in Cockroach.
(2) Tracheoles is the place for gaseous exchange
(3) There will be 10 pairs of spiracles
(4) Tracheoles divide into tracheal tubes
Malpighian tubules have which type of cells?
(1) Glandular and ciliated
(2) Only Glandular
(3) Only ciliated
(4) Keratinised cells
Alongwith Malpighian tubules which organs help in excretion in Cockroach?
(1) Fat body, Nephrocytes, gastric caeca
(2) Nephrocytes, Urecose gland
(3) Fat body, Nephrocytes, Urecose gland
(4) Urecose gland and fat body
The nervous system of cockroach is made up of a series of ganglia which are joined by
(1) Paired lateral connectives
(2) Single longitudinal connectives
(3) Paired longitudinal connectives
(4) Single horizontal connectives
The abdomen has ….. while thorax has ……... ganglia
(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
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