What are macro-elements?

Important Questions on Plant Physiology

EASY

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 8 - Plant Physiology>EXERCISE>Q 1

Name four essential non-metallic elements. 

EASY

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 8 - Plant Physiology>EXERCISE>Q 2

What symptoms are observed in the plant body due to deficiency of phosphorus?

MEDIUM

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 8 - Plant Physiology>EXERCISE>Q 3

What do you understand by essential elements and trace or micro-elements?

EASY

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 8 - Plant Physiology>EXERCISE>Q 4

What happens to the green plant due to the deficiency of magnesium? 

MEDIUM

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 8 - Plant Physiology>EXERCISE>Q 5

Mention two differences between macro-elements and micro-elements in plant body. 

EASY

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 8 - Plant Physiology>EXERCISE>Q 6

What is meant by essential macro-element? Name four macro-elements essential for the normal growth of the plants.

EASY

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 8 - Plant Physiology>EXERCISE>Q 7

Define nutrients.

EASY

9th West Bengal Board

IMPORTANT

A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 8 - Plant Physiology>EXERCISE>Q 8

What do you mean by nutrition?