HARD
9th West Bengal Board
IMPORTANT
Earn 100

Draw and label a structure of lenticel.

Important Questions on Plant Physiology

MEDIUM
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 8 - Plant Physiology>EXERCISE>Q 5
What is evaporation? 
MEDIUM
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 8 - Plant Physiology>EXERCISE>Q 1
Give a brief description about the different sites of transpiration. 
MEDIUM
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 8 - Plant Physiology>EXERCISE>Q 4
‘Transpiration is a necessary evil’ discuss the statement. 
MEDIUM
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 8 - Plant Physiology>EXERCISE>Q 5
How transpiration differs from evaporation?
HARD
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 8 - Plant Physiology>EXERCISE>Long Answer Type Questions :

Can you answer why water droplets are formed on the inner upper end of the bell jar?

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MEDIUM
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 8 - Plant Physiology>EXERCISE>Q 1
Movement of water in cortex of root outside to inside is due to 
MEDIUM
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 8 - Plant Physiology>EXERCISE>Q 2
The extracellular solutions which contain less concentration of the solutes and having higher solvent concentration than the cytoplasm are known as  _____
HARD
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 8 - Plant Physiology>EXERCISE>Q 6
Which one of the following helps in ascent of sap?