Write about the structure of stomata with a labelled sketch.

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 19

Write about the ideas of stomatal opening and closing as proposed by Noggle and Fritz with a flow chart.

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 9 - Movement of Water, Food, Nutrition and Gases>EXERCISE>Q 20

Write about the factors affecting 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 21

Write about the transportation of food through phloem.

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 9 - Movement of Water, Food, Nutrition and Gases>EXERCISE>Q 22

Mention three differences between upward circulation and downward circulation in plants.

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 9 - Movement of Water, Food, Nutrition and Gases>EXERCISE>Q 23

Mention the factors affecting the rate of diffusion.

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 9 - Movement of Water, Food, Nutrition and Gases>EXERCISE>Q 24

What are porins? What role do they play in diffusion?

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 9 - Movement of Water, Food, Nutrition and Gases>EXERCISE>Q 25

Mention the factors affecting water potential.

EASY

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 9 - Movement of Water, Food, Nutrition and Gases>EXERCISE>Q 26

With the help of labelled diagrams describe the process plasmolysis in plants.