The excretory organ in cockroach is |
|||||||
a) |
Malpighian corpuscle |
b) |
Malpighian tubules |
c) |
Hepatic caecae |
d) |
Metanephridia |
The excretory organ in cockroach is |
|||||||
a) |
Malpighian corpuscle |
b) |
Malpighian tubules |
c) |
Hepatic caecae |
d) |
Metanephridia |
(b)
Excretory organs of cockroach are Malpighian tubules, which open into the alimentary canal at the junction of midgut and hindgut. Free ends of these tubules are closed.
Which of the following is correctly states as it happens in the common cockroach? |
|
a) |
Oxygen is transported by haemoglobin in blood |
b) |
Nitrogenous excretory product is urea |
c) |
The food is ground by mandibles and gizzard |
d) |
Malpighian tubules are excretory organs projecting out from the colon |
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