MEDIUM
9th Tamil Nadu Board
IMPORTANT
Earn 100

Differentiate phototropism from photonasty.

Important Questions on Plant Physiology

EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 19 - Plant Physiology>textbook exercises>Q v

Photosynthesis converts energy X into energy Y.

What are X and Y?

EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 19 - Plant Physiology>textbook exercises>Q v

Photosynthesis converts energy X into energy Y.

Green plants are autotrophic in their mode of nutrition. Why?

EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 19 - Plant Physiology>textbook exercises>Q v
Define transpiration.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 19 - Plant Physiology>textbook exercises>Q v
Name the cells that surround the stoma.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 19 - Plant Physiology>textbook exercises>Q vi
Give the technical term for the growth-dependent movement in plants. (Trophism/ Tropism/ Tactic)
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 19 - Plant Physiology>textbook exercises>Q vi

Give the technical term for the growth-independent movement in plants. (Tropic/ Seismic/ Nastic)

MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 19 - Plant Physiology>textbook exercises>Q vi
Explain the movement seen in the pneumatophores of Avicennia.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 19 - Plant Physiology>textbook exercises>Q vi
What is chlorophyll?