Define (a) Growth(b) Differentiation(c) | Class 11 Biology Chapter Plant Growth and Development, Plant Growth and Development NCERT Solutions

Q1. Define
(a) Growth
(b) Differentiation
(c) Development
(d) De differentiation
(e) Re differentiation
(f) Determinate growth
(g) Meristem
(h) Growth rate.

(a) Growth:

It is an irreversible and permanent process, accomplished by an increase in the size of an organ or organ parts or even of an individual cell.

(b) Differentiation:

It is a process in which the cells derived from the apical meristem (root and shoot apex) and the cambium undergo structural changes in the cell wall and the protoplasm, becoming mature to perform specific functions.

(c) Development:

It refers to the various changes occurring in an organism during its life cycle – from the germination of seeds to senescence.

(d) De-differentiation:

It is the process in which permanent plant cells regain the power to divide under certain conditions.

(e) Re-differentiation: It is the process in which de-differentiated cells become mature again and lose their capacity to divide.

(f) Determinate growth: It refers to limited growth. For example, animals and plant leaves stop growing after having reached maturity.

(g) Meristem: In plants, growth is restricted to specialised regions where active cell divisions take place. Such a region is called meristem. There are three types of meristems – apical meristem, lateral meristem, and intercalary meristem.

(h) Growth rate: It can be defined as the increased growth in plants per unit time.

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NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Plant Growth and Development.
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  • Practice answering questions within the time limit to improve your speed and accuracy.
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Important Questions & Answers

Why is this answer important for exams?

This question is important because it tests key concepts from the NCERT syllabus and is frequently asked in CBSE exams.

Which NCERT concept is used in this question?

This question is based on core NCERT concepts explained in the chapter and should be revised thoroughly before exams.

What common mistakes should be avoided in this question?

Students often lose marks by skipping steps, writing incomplete explanations, or misunderstanding keywords used in the question.

What is the correct answer to: Define (a) Growth(b) Differentiation(c) Development(d) De differentiation(e) Re differentiation(f) Determinate growth(g) Meristem(h) Growth rate.?

(a) Growth:

It is an irreversible and permanent process, accomplished by an increase in the size of an organ or organ parts or even of an individual cell.

(b) Differentiation:

It is a process in which the cel...

How do you solve Define (a) Growth(b) Differentiation(c) Development(d) De differentiation(e) Re differentiation(f) Determinate growth(g) Meristem(h) Growth rate. step by step?

Step-by-step explanation:
• (a) Growth:

• It is an irreversible and permanent process, accomplished by an increase in the size of an organ or organ parts or even of an individual cell

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Student Discussion

Tanisha Verma
Class · · , · Nov 09, 2018
Thank you for the best answer
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