MCQ
The petromyzon belongs to
- AChondrichthyes
- BOsteichthyes
- ✓Cyclostomata
- DAmphibia
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$I$. a membrane $II$. a proton pump $III$. a proton gradient
Select the correct option
| List $I$ | List $II$ |
| $A.$ Fibrous joints | $I.$ Adjacent vertebrae, limited movement |
| $B.$ Cartilaginous joints | $II.$ Humerus and Pectoral girdle, rotational movement |
| $C.$ Hinge joints | $III.$ Skull, don't allow any movement |
| $D.$ Ball and socket joints | $IV.$ Knee, help in locomotion |
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Which of the above statements are correct?
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