Gag reflex is mediated by ________ cranial nerve?

In which of the following disorders a circulating antibody directed to intercellular cementing substance of stratified squamous epithelium is observed:________?

The anatomical division in the right middle lobe of lung is________?

Stepwise mutation for drug resistance is seen with________?

Following are the changes during accommodation except________?

Animals maintained in germ free environmental did not develop caries even when fed on a high carbohydrate diet is given by________?