What are the functions of DNA? 

Important Questions on Biomolecules and Their Behaviour

MEDIUM

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 4 - Biomolecules and Their Behaviour>EXERCISE>Q 16

What are the functions of RNA? 

MEDIUM

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 4 - Biomolecules and Their Behaviour>EXERCISE>Q 17

What are the functional differences between DNA and RNA?

MEDIUM

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 4 - Biomolecules and Their Behaviour>EXERCISE>Q 1

Mention the nutritional importance of carbohydrates.

EASY

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 4 - Biomolecules and Their Behaviour>EXERCISE>Q 2

Mention the nutritional importance of fat.

EASY

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 4 - Biomolecules and Their Behaviour>EXERCISE>Q 3

Classify vitamins according to solubility.

EASY

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 4 - Biomolecules and Their Behaviour>EXERCISE>Q 4

Explain in brief the importances / significance of vitamins. 

EASY

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 4 - Biomolecules and Their Behaviour>EXERCISE>Q 5

What is the importance of water in nutrition? Or, How does water help in plant nutrition?

MEDIUM

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 4 - Biomolecules and Their Behaviour>EXERCISE>Q 6

Discuss briefly the functions and deficiency symptoms of Nitrogen, Sulphur, Phosphorus, Calcium, Potassium, Magnesium and lron in plant body.