MCQOPTIONS
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| 1. |
Select the suitable heading for group X and group Y. |
| A. | X Y Flying birds Flightless birds |
| B. | X Y Winged birds Wingless birds |
| C. | X Y Flightless birds Flying birds |
| D. | X Y Wingless birds Winged birds |
| Answer» B. X Y Winged birds Wingless birds | |