Digestive System

Q.

What is another name for the food pipe?

Q.

Identify the correct statement with reference to the human digestive system.

1. Ileum opens into the small intestine.

2. Serosa is the innermost layer of the alimentary canal.

3. The ileum is a highly coiled part

4. Vermiform appendix arises from the duodenum.

Q. The small finger-like projection called villi present in the helps in absorption of nutrients.

1. large intestine
2. small intestine
3. rectum

Q.

Which acid is present in our stomach?

1. Sulphuric acid

2. Hydrochloric acid

3. Amino acid

4. Sulphuric acid

Q.

Which organ helps us taste food?

1. Eyes

2. Ears

3. Tongue

4. Skin

Q.

Define oesophagus?

Q. ______ is a long, muscular tube that connects your mouth to your stomach.

1. Oesophagus
2. Trachea
3. Small intestine
4. Large intestine

Q.

How long does food stay in the stomach?

Q. The nutrients from the food are absorbed by the large intestine.

1. True
2. False

Q.

Hydrochloric acid is present in the stomach.

1. True
2. False

Q. Food is converted into soft moist balls in the mouth called _____.

1. bolus
2. saliva
3. balls
4. particles

Q. Protection of the walls of the stomach against the action of its own digestive juice

1. is controlled by a centre in the medulla of the brain.
2. results from the nervous reactions of the lining of the stomach.
3. results from the presence of an anti-enzyme chemical formed by the gastric gland.
4. results from the neutralizing, buffering and coating mucus covering its inner surface.

Q.

How long does it ideally takes for food to get digested by your digestive system?

1. 1 hour

2. 2 hours

3. 4 hours

4. 20 minute

Q. The walls of the large intestine absorb from the undigested food.

1. water
2. gastric juice
3. energy

Q. Match the following organs to their functions.

1. Digestion begins
2. Churns food
3. Absorb nutrients
4. Absorbs water

Q. The first stage of digestion occurs in the ______.

1. mouth
2. intestine
3. foodpipe
4. stomach

Q. Which part of your mouth helps to identify the taste of different food items?

1. Tongue
2. Gums
3. Teeth
4. Jaws

Q. Which among the following is a junk food?

1. 
2. 
3. 
4. 

Q.

Food enters the large intestine from the small intestine.

1. True

2. False

Q. The mucus layer protects the walls of the stomach from damage by acid.

1. False
2. True

Q.

Appendix is the storehouse of good bacteria which helps in digestion.

1. True

2. False

Q.

Which of the following helps the stomach in digestion?

1. Gastric juice

2. Pepsi juice

3. Saliva

4. Stomach juice

Q.

What suggestions would you give to the people with the following disease?

A person eating lots of junk food

Q. The absorption of food is the primary function of the small intestine.

1. True
2. False

Q.

The food pipe is also known as buccal cavity.

1. True
2. False

Q. Identify the part(s) of the digestive system that doesn't perform digestion.

1. Small Intestine
2. Large Intestine
3. Anus
4. Oesophagus

Q.

Identify the acid which is present in our stomach.

1. Hydochloric acid

2. Nitric acid

3. Sulphuric acid

4. Phosphoric acid

Q. Which one of the following helps to taste the food?

1. Tongue
2. Teeth
3. Nose
4. Eyes

Q. Taste buds on our tongue help us to taste food.

1. True
2. False

Q. Tongue helps us to:

1. Speak
2. Swallow food
3. Taste food
4. Breathe