EASY
9th ICSE
IMPORTANT
Earn 100

What is the dental formula of a normal human adult?

Important Questions on Digestive System

MEDIUM
9th ICSE
IMPORTANT
Concise Biology Part - 1>Chapter 14 - Digestive System>REVIEW QUESTIONS>Q B
Mention two reflexes which occur when a person chews and swallows food.
EASY
9th ICSE
IMPORTANT
Concise Biology Part - 1>Chapter 14 - Digestive System>REVIEW QUESTIONS>Q B

Consider the following two statements A and B and select the right option from (i)-(iv) about their correctness.

A. Small intestine is shorter than large intestine.

B. Small intestine is wider than large intestine.

Options :

(i) Both the statements are correct.

(ii) Both the statements are wrong.

(iii) Statement A is correct, B is wrong.

(iv) Statement B is correct, A is wrong.

 

 

MEDIUM
9th ICSE
IMPORTANT
Concise Biology Part - 1>Chapter 14 - Digestive System>REVIEW QUESTIONS>Q C

What is digestion? Why do only animals require a digestive system?

MEDIUM
9th ICSE
IMPORTANT
Concise Biology Part - 1>Chapter 14 - Digestive System>REVIEW QUESTIONS>Q C

What are the end products of the digestion of starch, proteins and fats respectively?

MEDIUM
9th ICSE
IMPORTANT
Concise Biology Part - 1>Chapter 14 - Digestive System>REVIEW QUESTIONS>Q C

Why is there no enzyme to digest vitamins?

MEDIUM
9th ICSE
IMPORTANT
Concise Biology Part - 1>Chapter 14 - Digestive System>REVIEW QUESTIONS>Q C

How is thorough chewing of food helpful in digestion?

MEDIUM
9th ICSE
IMPORTANT
Concise Biology Part - 1>Chapter 14 - Digestive System>REVIEW QUESTIONS>Q C

What is the function of rectum?

MEDIUM
9th ICSE
IMPORTANT
Concise Biology Part - 1>Chapter 14 - Digestive System>REVIEW QUESTIONS>Q C

What is roughage? Give two examples.