Q. No.Gastric Caecae of cockroach is
(1) Secrete digestive juice
(2) 10-12 blind tubules
(3) Present at the junction of midgut and hindgut-
(4) More than one option is correct
(1) Secrete digestive juice
(2) 10-12 blind tubules
(3) Present at the junction of midgut and hindgut-
(4) More than one option is correct
Malpighian tubules of cockroach is
(1) At the junction of midgut and hindgut
(2) Thin filamentous
(3) Another ring of 200-250
(4) Not all but any two are correct
Hindgut in cockroach is
(1) Broader than midgut
(2) Has two parts ileum and rectum
(3) Rectum opens into blind sac
(4) More than one option is correct
Blood vascular system of cockroach is
(1) Open type
(2) Haemocoel is present
(3) Haemolymph bathes the visceral organs
(4) All are correct
Choose the incorrect option from the following-
Heart of cockroach
(1) Has elongated muscular tube
(2) Lying along mid ventral line of thorax and abdomen
(3) Has closed funnel shaped chambers with ostia on either side
(4) All the above
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
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
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