Digestive System

Q.

What is a balanced diet?

Q.

Mention the role of pancreatic amylase.

Q.

___ Intestinal juice secreted by ileum.

Q.

What is the function of bile?

Q.

What are the different stages of digestion?

Q.

The pancreatic amylase acts on starch and converts it to ___

1. glycerol

2. peptides

3. fatty acids

4. maltose

Q.

If the cooked rice is chewed and tested for starch test, it will show

1. Positive

2. Negative

3. Both

4. Sometimes only

Q.

Where does the partially digested food in the stomach move to?

1. Oesophagus

2. Liver

3. Small intestine

4. Large intestine

Q.

Digestion starts in the __________

1. Mouth

2. Small intestine

3. Oesophagus

4. Stomach

Q. Which body part mixes saliva with the food ?

1. Teeth
2. Pancreas
3. Liver
4. Tongue

Q.

Write the functions of stomach, teeth and small intestine.

Q.

Which of the following is not part of the digestive system?

1. Small intestine

2. Average intestine

3. Stomach

4. Large intestine

Q. The internal surface of the small intestine is covered with finger like projections called .

1. capillaries
2. villi
3. buds
4. epithelia

Q. Which of the following are functions of the large intestine?

1. Formation of faeces
2. Storage of bile salts
3. Absorption of water
4. Absorption of nutrients

Q.

The occurrence of blue-black colouration of starch test with chewed rice means

1. Starch is present

2. Starch is absent

3. Iodine is present

4. Iodine is absent

Q.

The buccal cavity, food pipe or esophagus, stomach, small intestine, large intestine, rectum, and anus. These are components of which system of our body?

1. Nervous system

2. Respiratory system

3. Excretory system

4. Digestive system

Q.

Cheek cells are always moist because

1. They are placed in water

2. They are animal cells

3. Saliva is present in mouth

4. It is characteristics of cheek cells

Q.

The inner lining of the stomach is protected by one of the following from the hydrochloric acid. Choose the correct one.

1. Pepsin

2. Mucus

3. Salivary amylase

4. Bile

Q. Rewrite the following parts of the human alimentary canal in their correct sequence.
Stomach, oesophagus, large intestine, small intestine

Q.

What do you mean by a balanced diet and malnutrition?

Q.

The chemical breakdown of food material in the digestive system is possible because of ________

1. Acid and base

2. Enzymes and acids

3. Base and minerals

4. Enzymes and vitamins

Q. Write short note Junk food.

Q.

Which of the following organ is not correctly matched to its main function?

1. Small intestine: a passage for food and liquid to the large intestine

2. Pancreas: regulates blood sugar

3. Mouth: Grinding of food

4. Large intestine: absorption of water

Q.

Choose the odd one out of the following terms given and name the category to which the other belongs.
Bile, urea, uric acid, ammonia

Q. The walls of the large intestine absorb ________.

1. water
2. roughage
3. cellulose
4. protein

Q. The bag like structure that receives food from the oesophagus is known as .

1. small intestine
2. liver
3. mouth
4. stomach

Q. Arrange the organs according to the path followed by food after it enters the mouth.

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

Q.

Amylase is an enzyme responsible for the digestion of

1. starch

2. fat

3. protein

4. none of these

Q.

Mucous damages the inner lining of the stomach from the action of the acid.

1. True
2. False

Q.

Insulin is a/an _________.

1. Antibody

2. Enzyme

3. Gastric acid

4. Hormone