Write about geometric growth with growth curve.

Important Questions on Plant Growth and Development

HARD

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 16

Define grand period of growth. Explain grand period of growth.

HARD

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 17

Mention four morphological changes with ageing in man.

HARD

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 19

What is gibberellin ? Write in brief about the growth of seedlings.

HARD

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 20

Name a pigment that perceives photoperiod in plants. Briefly discuss the importance of photoperiodism.

HARD

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 21

Write the sequence of developmental process in a plant cell through chart.

HARD

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 22

Mention the differences between auxin and gibberellin.

HARD

11th West Bengal Board

IMPORTANT

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

Write about the function of gibberellin.

HARD

11th West Bengal Board

IMPORTANT

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

Mention the functions of cytokinin.