In cockroach, excretion is brought about by – Choose the correct answer from the options given below :
- A, B and E only
- B, C and D only
- B and D only
- A and E only
Answer
(2) B, C and D only
Solution
In cockroach, excretion is performed mainly by Malpighian tubules. In addition, the fat body, nephrocytes and urecose glands also help in excretion.
The phallic gland and collaterial glands are reproductive glands (male and female respectively), not excretory structures.
So B, C and D are correct.
Answer: (2)