Name two plant growth promoter hormones.

Important Questions on Chemical Coordination in Plants

HARD

10th ICSE

IMPORTANT

ICSE Biology Book 2 for Class 10>Chapter 8 - Chemical Coordination in Plants>REVIEW QUESTIONS>Q 2

Name hormones associated with growth inhibiting activities like seed dormancy and shedding of leaves.

HARD

10th ICSE

IMPORTANT

ICSE Biology Book 2 for Class 10>Chapter 8 - Chemical Coordination in Plants>REVIEW QUESTIONS>Q 3

Where are auxins present in a plant?

HARD

10th ICSE

IMPORTANT

ICSE Biology Book 2 for Class 10>Chapter 8 - Chemical Coordination in Plants>REVIEW QUESTIONS>Q 4

What is the effect of gibberellins on buds?

HARD

10th ICSE

IMPORTANT

ICSE Biology Book 2 for Class 10>Chapter 8 - Chemical Coordination in Plants>REVIEW QUESTIONS>Q 5

In which part of the plant are Cytokinins produced?

HARD

10th ICSE

IMPORTANT

ICSE Biology Book 2 for Class 10>Chapter 8 - Chemical Coordination in Plants>REVIEW QUESTIONS>Q 6

What is the effect of ethylene on fruits?

HARD

10th ICSE

IMPORTANT

ICSE Biology Book 2 for Class 10>Chapter 8 - Chemical Coordination in Plants>REVIEW QUESTIONS>Q 7

What is tropism?

HARD

10th ICSE

IMPORTANT

ICSE Biology Book 2 for Class 10>Chapter 8 - Chemical Coordination in Plants>REVIEW QUESTIONS>Q 8

Give an example of phototropism.

HARD

10th ICSE

IMPORTANT

ICSE Biology Book 2 for Class 10>Chapter 8 - Chemical Coordination in Plants>REVIEW QUESTIONS>Q 9

What is chemotropism?