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In plant tissue culture experiments, high auxin to cytokinin ratio favours ________ development and high cytokinin to auxin ratio favours ________ development.

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Important Questions on Plant Growth and Development

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Biology Crash Course NEET>Chapter 15 - Plant Growth and Development>Level 2>Q 45
Arithmetic growth can be mathematically expressed as:
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Biology Crash Course NEET>Chapter 15 - Plant Growth and Development>Level 2>Q 47
The correct sequence for different stages of cellular growth is
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Biology Crash Course NEET>Chapter 15 - Plant Growth and Development>Level 2>Q 48
Ethylene is not directly applied in the field as a gas due to its high diffusion rate. Which compound is used to overcome this limitation?
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Biology Crash Course NEET>Chapter 15 - Plant Growth and Development>Level 2>Q 49
Find the correct application of auxin.
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Biology Crash Course NEET>Chapter 15 - Plant Growth and Development>Level 2>Q 50

Read the following statements:

(i) It is used to prepare weed-free lawn.

(ii) It promotes the abscission of older mature leaves and fruits. The above functions are carried out by

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Biology Crash Course NEET>Chapter 15 - Plant Growth and Development>Level 2>Q 51
Choose the odd one out with respect to the function performed by following hormones.
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Biology Crash Course NEET>Chapter 15 - Plant Growth and Development>Level 2>Q 52
The rate of growth of any organism follows
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Biology Crash Course NEET>Chapter 15 - Plant Growth and Development>Level 2>Q 53
Select the mismatched pair.
(i) Gibberellic acid Increases yield of sugarcane
(ii) Cytokinin Promotes apical dominance
(iii) Ethylene Sprouting of potato tuber
(iv) Abscisic acid Inhibits seed germination