Stomach and Oesophagus

Q. Digestive juices in the stomach help in the breakdown of .

1. fats
2. proteins
3. carbohydrates

Q. The oesophagus opens into ______ .

1. pancreas
2. stomach
3. pharynx
4. liver

Q. Identify the digestive juice that comprises of hydrochloric acid, pepsin, and mucous.

1. Bile juice
2. Pancreatic juice
3. Intestinal juice
4. Gastric juice

Q.

What is the role of hydrochloric acid in stomach

Q.

Which of the following substances are produced by the stomach?

1. Hydrochloric acid

2. Mucus

3. Bicarbonate ions

4. Bile juice

Q.

The breakdown of proteins in stomach is carried out by hydrochloric acid.

1. True

2. False

Q.

Oesophagus produces digestive enzymes.

1. True

2. False

Q.

The germs in food are first killed in the early stages of digestion and then food is passed down to other organs of the digestive system. This killing occurs because the digestive system uses an acid known as:

1. Linolenic Acid

2. Citric Acid

3. Hydrochloric Acid

4. Tartaric Acid

Q. Where does digestion of proteins start in the body?

1. Mouth
2. Stomach
3. Small intestine
4. Large intestine

Q. What is the role of HCL in stomach?

Q. Where does digestion of proteins start in the body?

1. Mouth
2. Stomach
3. Small intestine
4. Large intestine

Q. Oesophagus produces enzymes for the digestion of food.

1. True
2. False

Q. Digestion of starch starts in the stomach.

1. False
2. True

Q.

Our stomach makes use of hydrochloric acid along with other enzymes for digestion. We know that is acid is corrosive in nature. How does the stomach save itself from the acid it produces?

1. With help of a mucus lining
2. Due to the presence of water
3. By using a neutralizing agent
4. Due to its sac-like structure

Q. The bag like structure that receive food from food pipe is known as ________ .

1. Liver
2. Small intestine
3. Stomach
4. Mouth

Q. After the partial digestion of food in mouth, it enters into ____ and reaches the stomach.

1. small intestine
2. large intestine
3. trachea
4. oesophagus

Q. The stomach releases _______juice which acts on food brought in by the oesophagus.

1. gastric
2. salivary
3. pancreatic
4. bile

Q.

Which organ stores swallowed food and liquid and sends it to the small intestine?

1. Mouth

2. Stomach

3. Large intestine

4. Oesophagus

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