Which structures prevents the entry of food in the wind pipe?

Fill in the blanks ________prevents the entry of food in wind pipe.

Why does food not enter the wind pipe?

Which structure closes the internal nares duringg swallowing of food bolus?

Which structures are employed by Amoeba to ingest its food?

Which country is called the country of winds?

Which plastids are involved in storage of food ?

Give the technical terms used for the following: The small scaly structures covering the rhizome and petiole in ferms for preventing desiccation.

Which one of the following acts as a physiological barrier to the entry of microorganims in human body?

Name two drugs which helps to prevent the production of hydrochloric acid in the stomach?