EASY
9th Tamil Nadu Board
IMPORTANT
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What is nastic movement?

Important Questions on Plant Physiology

EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 19 - Plant Physiology>textbook exercises>Q v
Name the plant part which bends in the direction of gravity but away from the light.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 19 - Plant Physiology>textbook exercises>Q v
Name the plant part which bends towards the light but away from the force of gravity. (Roots/ Shoots)
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 19 - Plant Physiology>textbook exercises>Q v
Differentiate phototropism from photonasty.
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)