What are symbionts? Explain with an example.

Important Questions on Obtaining and Utilising Food

MEDIUM

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 9 - Obtaining and Utilising Food>Exercises>Q B

What is the digestive juice in the mouth called? What enzyme does it contain and what does it do?

HARD

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 9 - Obtaining and Utilising Food>Exercises>Q B

What is peristalsis? Does it occur only in the oesophagus?

MEDIUM

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 9 - Obtaining and Utilising Food>Exercises>Q B

The juice produced in the stomach contains an acid as well as an enzyme. Name the enzyme. What do the acid and enzyme do?

EASY

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 9 - Obtaining and Utilising Food>Exercises>Q B

What happens to the undigested food that remains in the large intestine?

HARD

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 9 - Obtaining and Utilising Food>Exercises>Q C

How would you show that chlorophyll is needed for photosynthesis?

HARD

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 9 - Obtaining and Utilising Food>Exercises>Q C

What happens to food in the small intestine?

HARD

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 9 - Obtaining and Utilising Food>Exercises>Q C

How many teeth does an adult (human being) have? Describe the different types of teeth and their functions.

HARD

7th CBSE

IMPORTANT

Basic Science For Class 7>Chapter 9 - Obtaining and Utilising Food>Exercises>Q C

How did Dr Beaumont study the functioning of the stomach?