Mention three differences between bulb and bulbil.

Important Questions on Structural Organisation in Plants

HARD

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 15

Mention the differences between phylloclade and phyllode.

HARD

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 16

Mention the difference between thorn and spine.

MEDIUM

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 17

What do you understand by reticulate venation and parallel venation. Give examples.

MEDIUM

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 18

Name three types of modified aerial stem with examples.

HARD

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 19

Write about the normal functions of the leaf.

HARD

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 20

Write about the differences between simple and compound leaves.

HARD

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 21

Why the underground modified stems are not regarded as roots. 

HARD

11th West Bengal Board

IMPORTANT

A TEXT BOOK OF BIOLOGY CLASS 11>Chapter 4 - Structural Organisation in Plants>EXERCISE>Q 22

Name the plants where these are noted: Reticulate venation, multicostate convergent venation and multicostate divergent venation.