Name the muscular valve in the pharynx controls movement of air and food towards their respective passages .

A flap like muscular valve controls movement of air and food is _____

A flap like muscular valve controls movement of air and food is ___________.

Pharynx is a common passage for air and food. Name the part for the passage of food.

Pharynx is a common passage for air and food. Name the part for the passage of air.

Name the cry genes that control cotton bollworms and corn borer respectively?

___ is a muscular valve which controls the passage of food from the stomach into the intestine.

Stomach is a common passage for air and food.

Read the following statements carefully : I. All locomotions are movements but all movements are not locomotions. II. Cells of the human body can exhibit amoeboid, ciliary and muscular movements but not flagellar movement. III. About 20 - 30 per cent of the body weight of a human adult is contributed by muscles. IV. Striated visceral muscles are involved in the transportation of food through the digestive tract and gametes through the genital tract. How many statements from the above are incorrect ?