Saliva and Salivary Glands

Q. With the help of a neat diagram explain structure and functions of human digestive system.

Q.

Lipase converts ___ into fatty acids and glycerol.

1. Proteins

2. Starch

3. Peptones

4. Fats

Q. Explain the functions of stomach.

Q. What are the main structures you find in Digestive system ? What is its function ?

Q. Explain the functions of stomach.

Q.

Which of the following is not one of the 5 steps involved in the process of digestion?

1. Ingestion

2. Egestion

3. Assimilation

4. Perspiration

Q. The tongue helps in mixing food with saliva.

1. True
2. False

Q. Saliva is secreted by ___________.

1. liver
2. rectum
3. salivary glands
4. stomach

Q. Which part of the alimentary canal is involved in the chewing of food?

1. Oesophagus
2. Rectum
3. Gall bladder
4. Buccal cavity

Q. Study the given classifcation chart carefully and identify P, Q, R and S.

Q. Salivary amylase converts________ into _________.

1. Proteins into amino acids
2. Glycogen into glucose
3. Starch to maltose
4. Fats into Vitamins

Q.

Saliva breaks down starch into simple sugars.

1. True

2. False

Q.

After chewing an apple, the crushed apple is swallowed and passed from the _______ to the ________ .

1. Mouth, Oesophagus
2. Oesophagus, small intestine
3. Oesophagus, stomach
4. Mouth, stomach

Q. The fluid secreted by the salivary glands that converts starch into maltose is known as _________ .

1. hormones
2. hydrochloric acid
3. saliva
4. bile juice

Q. Which of the following organs of the digestive system stores the undigested food?

1. \N
2. \N
3. True
4. False