

MCQOPTIONS
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1. |
Statement A: The opening of wind pipe is called gastro-esophageal sphincter. Statement B: Its covering prevents the entry of food. |
A. | Both the statements are true |
B. | Both the statements are false |
C. | Statement A is true but Statement B is false |
D. | Statement B is true but Statement A is false |
Answer» E. | |