EASY
11th West Bengal Board
IMPORTANT
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Guttation usually occurs at night.

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Important Questions on Movement of Water, Food, Nutrition and Gases

EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 9 - Movement of Water, Food, Nutrition and Gases>EXERCISE>Q 10
The loss of water vapour through the openings of stomata is called lenticular transpiration.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 9 - Movement of Water, Food, Nutrition and Gases>EXERCISE>Q 1
What do you mean by active absorption and passive absorption ?
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 9 - Movement of Water, Food, Nutrition and Gases>EXERCISE>Q 2
Mention four external factors affecting water absorption.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 9 - Movement of Water, Food, Nutrition and Gases>EXERCISE>Q 3
What is root pressure?
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 9 - Movement of Water, Food, Nutrition and Gases>EXERCISE>Q 4
What is transpiration pull ?
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 9 - Movement of Water, Food, Nutrition and Gases>EXERCISE>Q 5
State the relation between absorption and ascent of sap.
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 9 - Movement of Water, Food, Nutrition and Gases>EXERCISE>Q 6
What do you mean by cohesion and adhesion ?
EASY
11th West Bengal Board
IMPORTANT
A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 9 - Movement of Water, Food, Nutrition and Gases>EXERCISE>Q 7
Define transpiration.