Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYMODEL PAPER 61 Mark
MCQ
Which excretory organ is used by cockroaches?
A
Malpighian tubules
B
Protonephridia
C
Kidneys
D
Nephridia
✓
Answer
(a) Malpighian tubules Explanation: The excretory organ of cockroach is the malpighian tubules. It is found at the junction of the midgut and hindgut and is about 150 in number. They are fine, yellow coloured and branched threads present in bundles. They lie freely in the haemolymph.
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