Study the given diagram and answer the following questions.

a) Identify and name it?

b) Where is it found in our digestive system?

c) What is its role in the digestion of food? Explain.

Important Questions on Nutrition in Animals

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 12 - Nutrition in Animals>EVALUATE>Q 5

Compare the digestive system of humans and ruminants.

Write all possible similarities and differences between them?

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 12 - Nutrition in Animals>EVALUATE>Q 6

Draw a well-labelled diagram of the human digestive system. Write all the processes that take place in the digestion of food stepwise. Define all the processes. Name the parts where no digestion occurs?

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 12 - Nutrition in Animals>EVALUATE>Q 1

A meal of coffee and toast stay in your stomach for half an hour. A meal of chicken and vegetables may stay in your stomach for up to four hours! Why is this so?

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 12 - Nutrition in Animals>EVALUATE>Q 2

Solid food containing starch is taken into the mouth at point A and enters the oesophagus at point B. State the two differences between the state of the food at point A and at point B?

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 12 - Nutrition in Animals>EVALUATE>Q 1

Why is brushing the teeth important for all of us?

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 12 - Nutrition in Animals>EVALUATE>Q 2

Why is grass indigestible? Don't you think if the grass is made digestible in human systems, the food scarcity will be over?

MEDIUM

7th CBSE