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| Q. |
The exerctory organ in cockroach is (Kerala-CEE-2007) |
| A. | malplghian corpuscle |
| B. | Malpighian tubules |
| C. | green gland |
| D. | Metanephridia |
| E. | Bufo |
| Answer» B. Malpighian tubules | |
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