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A cell gains its permanent size in

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Important Questions on Plant Growth and Development

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General Science Crash Course NDA & NA EE>Chapter 3 - Plant Growth and Development>Exercise 1>Q 4
Increased vacuolation, cell enlargement and new cell wall deposition are the characteristics of cells in                             phase of growth.
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General Science Crash Course NDA & NA EE>Chapter 3 - Plant Growth and Development>Exercise 1>Q 5
Growth at cellular level, is principally a consequence of increase in the amount of
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General Science Crash Course NDA & NA EE>Chapter 3 - Plant Growth and Development>Exercise 1>Q 6
Plants follow different pathways in response to environment or phases of life to form different kinds of structures. This ability is called:
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General Science Crash Course NDA & NA EE>Chapter 3 - Plant Growth and Development>Exercise 1>Q 7
The plant hormone used to destroy weeds in a field is:
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General Science Crash Course NDA & NA EE>Chapter 3 - Plant Growth and Development>Exercise 1>Q 8
Inability of viable seeds to germinate even under suitable environmental condition is known as
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General Science Crash Course NDA & NA EE>Chapter 3 - Plant Growth and Development>Exercise 1>Q 9
Hormone involved in phototropism is
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General Science Crash Course NDA & NA EE>Chapter 3 - Plant Growth and Development>Exercise 1>Q 10
Which of the following is a growth inhibitor?
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General Science Crash Course NDA & NA EE>Chapter 3 - Plant Growth and Development>Exercise 1>Q 11
Functions of plant growth promoters and plant growth inhibitors are given here in a jumbled up manner. Select the option that correctly segregates these functions.
(i) Cell division
(ii) Cell enlargement
(iii) Pattern formation
(iv) Tropic growth
(v) Flowering
(vi) Fruiting
(vii) Seed germination
(viii) Response to wounding
(ix) Response to stresses
(x) Dormancy of biotic and abiotic origin