Hema Batra and Shikha Sharma Solutions for Exercise 2: CHAPTER PRACTICE

Name the group of growth regulating plant hormones, which stimulate the elongation of stem and expansion of leaves.

Differentiate between primary and secondary growth in plants.

Ankit, a XI class student was continuously listening to his sister and her friend's discussion about the growth of the plant. They were discussing that plant growth involves three phenomena, i.e., differentiation, dedifferentiation and redifferentiation. Listening to this Ankit interrupted them in between and asked his sister to elaborate the things in detail and the basic phenomena behind it. As the topic was the part of Ankit's syllabus also. His sister explained to him that the cells in plants undergo differentiation to attain maturity in order to perform specific functions.

What is dedifferentiation? Name two tissues formed by this phenomenon.  

Ankit, a XI class student was continuously listening to his sister and her friend's discussion about the growth of the plant. They were discussing that plant growth involves three phenomena, i.e., differentiation, dedifferentiation and redifferentiation. Listening this Ankit interrupted them in between and asked his sister to elaborate the things in detail and the basic phenomena behind it. As the topic was the part of the Ankit's syllabus also. His sister explained him that the cells in plant undergo differentiation to attain maturity in order to perform a specific functions.

What is redifferentiation? 

Ankit, a XI class student was continuously listening to his sister and her friend's discussion about the growth of the plant. They were discussing that plant growth involves three phenomena, i.e., differentiation, dedifferentiation and redifferentiation. Listening this Ankit interrupted them in between and asked his sister to elaborate the things in detail and the basic phenomena behind it. As the topic was the part of the Ankit's syllabus also. His sister explained him that the cells in plant undergo differentiation to attain a maturity in order to perform a specific functions.

Even differentiation can be considered as open in plants as their growth. Justify.

Ankit, a XI class student was continuously listening to his sister and her friend's discussion about the growth of the plant. They were discussing that plant growth involves three phenomena, i.e., differentiation, dedifferentiation and redifferentiation. Listening this Ankit interrupted them in between and asked his sister to elaborate the things in detail and the basic phenomena behind it. As the topic was the part of the Ankit's syllabus also. His sister explained him that the cells in plant undergo differentiation to attain a maturity in order to perform a specific functions.

What value is learnt from the Ankit's character as an ideal biology student?

What will you do to prevent leaf and fruit drop in plants? Support your answer with reason.

Explain inhibitory effect of auxin with the help of an example.