MEDIUM
10th ICSE
IMPORTANT
Earn 100

List five plant growth hormones and mention one important role of each.

Important Questions on Chemical Coordination in Plants

MEDIUM
10th ICSE
IMPORTANT
What are tropic movements? Briefly explain various types of tropic movements in plants.
EASY
10th ICSE
IMPORTANT
The response of plants to gravity is known as geotropism. How are plant parts sensitive to gravity? Describe with the help of a diagram. 
MEDIUM
10th ICSE
IMPORTANT
What is meant by positive and negative tropic movements in plants? Explain them by giving suitable examples.
MEDIUM
10th ICSE
IMPORTANT
With the help of an experiment, prove that roots are more positively hydrotropic than geotropic. 
EASY
10th ICSE
IMPORTANT

The tea plants are never allowed to grow lengthwise. This is done by cutting their apical buds, a process known as pruning. In this way, tea plants get a dense growth and easy yield. Answer the following questions :

Name the scientific phenomenon that is being overcome by pruning. (Apical dominance/Bud dominance)

EASY
10th ICSE
IMPORTANT

The tea plants are never allowed to grow lengthwise. This is done by cutting their apical buds, a process known as pruning. In this way, tea plants get a dense growth and easy yield. Answer the following question:

What plant hormone is responsible for the scientific phenomenon of apical dominance.

EASY
10th ICSE
IMPORTANT

The tea plants are never allowed to grow lengthwise. This is done by cutting their apical buds, a process known as pruning. In this way, tea plants get a dense growth and easy yield. Answer the following question:

Name one plant hormone which inhibits apical dominance.

EASY
10th ICSE
IMPORTANT

The figure given below shows the stages of ripening in a banana. Answer the question that follow: 

Question Image

Name the plant hormone responsible for the above changes.