CBSE Questions for Class 5 Evs From Tasting To Digestion Quiz 2 - MCQExams.com

• The four basic kinds of tastes are: sweet, salty, sour, and bitter. 
• The salty/sweet taste buds are located near the front of the tongue, the sour taste buds line the sides of the tongue, and the bitter taste buds are found at the back of the tongue. 
• The centre of the tongue has few taste buds. 

Thus, the correct answer is option A.

$$\textbf{Correct answer: B}$$ 

$$\textbf{Option (A):}$$ 

$$\bullet$$ Swallowing of food is facilitated by the formation of food bolus which is possible due to the mastication by teeth and the action of saliva on the food.

$$\textbf{Option (B):}$$ 

$$\bullet$$ Chewing of food on mastication is the process of breaking down the food into smaller fragments. 

$$\bullet$$ It helps the saliva in the salivary enzyme reach the parts of food to facilitate digestion to start from the mouth. 

$$\bullet$$ Breaking down the food into smaller fragments also helps in the digestion of food in the stomach and intestine. 

$$\textbf{Option (C):}$$ 

$$\bullet$$ Testing the food is possible because of the presence of taste buds on the tongue. It does not help in the digestion of food.

Hence, the correct answer is option (B).

$$\textbf{Correct answer: B}$$ 

$$\textbf{Option (A):}$$ 

$$\bullet$$ Taste buds for sweet sensation are located at the front and at the middle of the tongue. 

$$\textbf{Option (B):}$$ 

$$\bullet$$ Taste buds for sour taste are located at the two lateral sides of the tongue. 

$$\textbf{Option (C):}$$ 

$$\bullet$$ The taste buds for salty taste are located at the front of the tongue near the tip. 

$$\textbf{Option (D):}$$ 

$$\bullet$$ The taste buds for bitter taste are located at the back of the tongue which is close to the end of the buccal cavity.

Hence, the correct answer is option (B).