Q. 93.7( 6 Votes )

Only two of the following statements accurately describe what happens in the mouth.

1. Amylase breaks down large starch molecules into smaller maltose molecules.

2. Chewing increases the surface area of food for digestion

3. Saliva emulsifies fats into smaller droplets.

4. Teeth breakup large insoluble molecules into smaller soluble molecules.

Which statements are correct?
A. 1 and 2

B. 2 and 3

C. 3 and 4

D. 1 and 4

Answer :

Chewing increases the surface area of food. Large food particles are broken down into small fragments. Salivary amylase secreted by salivary glands acts on carbohydrates (starch) present in food and converts it into maltose. Saliva does not act on fats.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Genius Quiz | Heartless Plant49 mins
Transportation in Plants & Animals38 mins
Defining Life and Life Processes57 mins
Champ Quiz | Examining the Life Processes43 mins
Autotrophic Nutrition59 mins
Pumping of Blood43 mins
From single cell to baby45 mins
Champ Quiz | Dental Caries31 mins
Quiz | Practising Diagrams44 mins
Champ Quiz | Vital Processes of Life42 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses