Mention two external factors of growth.

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 3

Mention two internal factors of growth.

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 4

Which hormone helps in the absorption of the tail of the tadpole.

MEDIUM

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 5

Name the branch of developmental biology concerned with the study of ageing.

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 6

Name one plant hormone which influence growth.

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 7

Name one short day plant.

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 8

Name one long day plant. 

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 9

What are phytohormones?

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 13 - Plant Growth and Development>EXERCISE>Q 10

Name two natural plant hormones.