The excretory organ in cockroach is …………. (Kerala-CEE-2007)
A. Malpighian corpuscle
B. Malpighian tubules
C. Green gland
D. Metanephridia
Answer:B
The excretory organ in cockroach is …………. (Kerala-CEE-2007)
A. Malpighian corpuscle B. Malpighian tubules C. Green gland D. Metanephridia