Process of Digestion in Human

Q.

The bile juice secreted by the liver is stored in the ___.

1. pancreas

2. salivary glands

3. stomach

4. gall bladder

Q.

The process of taking food into the body is known as ____.

1. digestion

2. assimilation

3. egestion

4. ingestion

Q.

What happens when food reaches the stomach?

1. No digestion occurs in the stomach.

2. The food moves quickly into the small intestine.

3. Stomach muscles contract at regular intervals to churn the food.

4. The food is completely digested and absorbed.
   

Q.

Water from undigested food is absorbed in the ____.

1. food pipe

2. small intestine

3. large intestine

4. stomach

Q.

Which of the following are digested by the enzymes secreted by pancreas?

1. Proteins

2. Carbohydrates

3. All of these

4. Fats

Q.

Where does the partly-digested food go after it leaves the stomach?

1. Oesophagus

2. Appendix

3. Small intestine

4. Large intestine

Q.

Curdling of milk in the stomach is due to the action of:

1. HCl

2. Renin

3. Pepsin

4. Rennin

Q.

Bile helps in the digestion of ___.

1. proteins

2. starch

3. fats

4. calcium

Q.

To where does a frogs esophagus lead to?

Q.

What is the role of amylase in digestion? Where is it released in the digestive system?

Q.

The digestive system processes food into usable and unusable materials. The usable materials are sent to the body's cells as food. What happens to unusable materials?

1. Statement is wrong but reason is correct.

2. Both are correct.

3. Both are wrong.

4. Statement is correct but reason is wrong.

Q.

Which of the following does not secrete any enzyme?

1. Stomach

2. Liver

3. Mouth

4. Large intestine

Q.

A component 'X' in gastric juice helps to kill the germs in the food. Which among the following is 'X'?

1. Amylase

2. Mucus

3. Hydrochloric acid

4. Amino acid

Q.

What is the function of villi?

Q.

Choose the correct statements regarding the gastric juices.

I. Pepsin converts proteins into peptones partially.

II. Hydrochloric acid kills the germs present in food and regulates pH for digestion in the stomach.

III. Mucus protects the stomach wall from the action of digestive juices.

1. I and III are correct, II is incorrect

2. Only I is correct

3. Only III is correct

4. I, II and III are correct

Q.

While preparing a temporary mount of cheek cell, what happens to the excess of glycerine.

Q.

Choose the incorrect statement from the options given below.

1. Rectum

2. Stomach

3. Duodenum

4. Small intestine

Q.

Hormones break down the complex food molecules into simpler forms.

1. True

2. False

Q. The middle part of small intestine is ________ .

1. ileum
2. pyloric region
3. duodenum
4. jejunum

Q.

Which one is not a protein-digesting enzyme?

1. Lactase

2. Pepsin

3. Chymotrypsin

4. Trypsin

Q.

Pancreatic juice makes the medium ___ in the small intestine for the action of enzymes present there.

1. alkaline

2. none of the above

3. neutral

4. acidic

Q.

Small finger-like foldings known as villi are present in the _____ .

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

Q. Why is there no enzyme to digest vitamins?​

Q.

The process of taking food through the mouth is called ___.

digestion

ingestion

egestion

absorption

Q.

End product of proteins after digestion.

Q.

What is the basic structure of the human digestive system? What is the length of large and the small intestine? [3 MARKS]

Q.

Which of the following statement is incorrect?

1. Salivary amylase partially converts starch to maltose.

2. The tongue keeps the food in place in the mouth while it is being chewed.

3. The tongue aids in the digestion of food.

4. The digestive juices can react more easily with the food when chewed.

Q.

Which of these help in the breakdown of food in the mouth into small pieces?

1. Teeth

2. Saliva

3. Pharynx

4. Tongue

Q.

Name what are modified into nails.

Q.

Do frogs have a stomach?