Semanti

Salini Basu

Asked: February 21, 2021In: Class 11 Biology

What would be expected to happen if: (a) GA₃ is applied to rice seedlings (b) Dividing cells stop differentiating (c) A rotten fruit gets mixed with unripe fruits (d) You forget to add cytokinin to the culture medium.

NCERT Solutions for Class 11 Biology Chapter 15 Plant Growth and Development Important Board Questions Plant Growth and Development NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 11

Salini Basu

Asked: February 21, 2021In: Class 11 Biology

Describe briefly: (a) Arithmetic growth (b) Geometric growth (c) Sigmoid growth curve (d) Absolute and relative growth rates

NCERT Solutions for Class 11 Biology Chapter 15 Plant Growth and Development Important Board Questions Plant Growth and Development NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 3

Salini Basu

Asked: February 21, 2021In: Class 11 Biology

List five main groups of natural plant growth regulators. Write a note on discovery, physiological functions and agricultural/horticultural applications of any one of them.

NCERT Solutions for Class 11 Biology Chapter 15 Plant Growth and Development Important Board Questions Plant Growth and Development NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 4

Salini Basu

Asked: February 21, 2021In: Class 11 Biology

What do you understand by photoperiodism and vernalisation? Describe their significance.

NCERT Solutions for Class 11 Biology Chapter 15 Plant Growth and Development Important Board Questions Plant Growth and Development NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 5

Salini Basu

Asked: February 21, 2021In: Class 11 Biology

Why is Abscisic acid also known as stress hormone?

NCERT Solutions for Class 11 Biology Chapter 15 Plant Growth and Development Important Board Questions Plant Growth and Development NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 6

Salini Basu

Asked: February 21, 2021In: Class 11 Biology

Both growth and differentiation in higher plants are open. Comment.

NCERT Solutions for Class 11 Biology Chapter 15 Plant Growth and Development Important Board Questions Plant Growth and Development NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 7

Salini Basu

Asked: February 21, 2021In: Class 11 Biology

Both a short day plant and a long day plant can flower simultaneously in a given place. Explain.

NCERT Solutions for Class 11 Biology Chapter 15 Plant Growth and Development Important Board Questions Plant Growth and Development NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 8

Salini Basu

Asked: February 21, 2021In: Class 11 Biology

Would a defoliated plant respond to photoperiodic cycle? Why?

NCERT Solutions for Class 11 Biology Chapter 15 Plant Growth and Development Important Board Questions Plant Growth and Development NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 10

Salini Basu

Asked: February 21, 2021In: Class 11 Biology

Why is not any one parameter good enough to demonstrate growth throughout the life of a flowering plant?

NCERT Solutions for Class 11 Biology Chapter 15 Plant Growth and Development Important Board Questions Plant Growth and Development NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 2

Salini Basu

Asked: February 21, 2021In: Class 11 Biology

Define growth, differentiation, development, dedifferentiation, redifferentiation, determinate growth, meristem and growth rate.

NCERT Solutions for Class 11 Biology Chapter 15 Plant Growth and Development Important Board Questions Plant Growth and Development NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 1

Semanti

What would be expected to happen if: (a) GA₃ is applied to rice seedlings (b) Dividing cells stop differentiating (c) A rotten fruit gets mixed with unripe fruits (d) You forget to add cytokinin to the culture medium.

Describe briefly: (a) Arithmetic growth (b) Geometric growth (c) Sigmoid growth curve (d) Absolute and relative growth rates

List five main groups of natural plant growth regulators. Write a note on discovery, physiological functions and agricultural/horticultural applications of any one of them.

What do you understand by photoperiodism and vernalisation? Describe their significance.

Why is Abscisic acid also known as stress hormone?

Both growth and differentiation in higher plants are open. Comment.

Both a short day plant and a long day plant can flower simultaneously in a given place. Explain.

Would a defoliated plant respond to photoperiodic cycle? Why?

Why is not any one parameter good enough to demonstrate growth throughout the life of a flowering plant?

Define growth, differentiation, development, dedifferentiation, redifferentiation, determinate growth, meristem and growth rate.

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