MCQOPTIONS
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| 1. |
Which among the following is incorrect about Cyclostomata? |
| A. | Their vertebral column is made of cartilage |
| B. | Lamprey and hagfish are examples of this class |
| C. | Their digestive system is complete with stomach, food pipe and intestines |
| D. | Their circulatory system is closed with a 2 chambered heart |
| Answer» D. Their circulatory system is closed with a 2 chambered heart | |