What is sigmoid curve?

Important Questions on Plant Growth and Development

MEDIUM

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 23

What is determinate and indeterminate growth ? 

MEDIUM

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 24

Mention the importance of photoperiodism.

MEDIUM

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 25

What is direct development?

MEDIUM

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 26

What is indirect development ? 

MEDIUM

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 27

Mention the factors affecting growth of plants. 

HARD

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 28

Mention four cellular change in the human body with ageing. 

MEDIUM

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 29

Mention the importance of abscission. 

HARD

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 30

Mention two external and two internal factors which affect the growth.