(English Medium) ICSE Class 9 - CISCE Question Bank Solutions

How is thorough chewing of food helpful in digestion?

What is the function of rectum?

What is roughage? Give two examples.

Mention two ways in which the ileum of the mammal is adapted for the absorption of digested food.

The stomach secretes gastric juice, which contains hydrochloric acid. What is its function?

Prepare a possible vegetarian menu for your dinner which would provide all the necessary nutrients.

Why is the small intestine the most important organ of the digestive system?

What are the main characteristics of enzyme?

How is the liver an important organ in our body?

Define the following term:

Peristalsis

Define the following term :

Omnivore

Define the following term : 

Pylorus

Define the following term: 

Kilocalorie

Define the following term:

Assimilation

List the enzymes and their action on food in the stomach and intestine.

Give any four reasons why water is necessary in our body.

Draw a labelled diagram to show the internal structure of a mammalian tooth with two roots.

Study the diagram given below and then answer the question that follows:

Name the parts labelled 1, 2, 3, 4, 5 and 6.

Study the diagram given below and then answer the question that follows:

Identify the tooth and give a reason to support your answer.

Study the diagram given below and then answer the question that follows:

Describe the structure of the part labelled '3'.