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Choose the odd one out with respect to the function of gibberellins.

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Important Questions on Plant Growth and Development

EASY
NEET
IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 8 - Plant Growth and Development>TOPICWISE QUESTIONS>Q 36
Phototropic and geotropic response toward the source of stimulus in shoot and root tips, respectively, is due to
MEDIUM
NEET
IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 8 - Plant Growth and Development>TOPICWISE QUESTIONS>Q 37

Go through the following matches with respect to PGRs and its derivatives.

PGR

Derivatives

(a) Auxin

Indole compounds

(b) Gibberellin

Terpene derivatives

(c) Cytokinin

N6 - furfuryl aminopurine

(d) Abscisic acid

Carotenoid derivatives

Select the correctly matched pair.

 

MEDIUM
NEET
IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 8 - Plant Growth and Development>TOPICWISE QUESTIONS>Q 38

Match the following.

Column – I

Column – II

(a) IAA

(i) Overcoming genetic dwarfing

(b) GA

(ii) Most widely used PGR in agriculture

(c) Cytokinin

(iii) Induced parthenocarpy in tomato

(d) Ethylene

(iv) Coconut milk factor
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NEET
IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 8 - Plant Growth and Development>TOPICWISE QUESTIONS>Q 39
Plant hormone that can be used to increase length of grape stalk and improvement in the shape of fruit is:
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IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 8 - Plant Growth and Development>TOPICWISE QUESTIONS>Q 40
Cell division-promoting hormone that cannot be found in plants is
EASY
NEET
IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 8 - Plant Growth and Development>TOPICWISE QUESTIONS>Q 41
Which of the following is chemically identical to ABA?
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IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 8 - Plant Growth and Development>TOPICWISE QUESTIONS>Q 42
The hormone that was first isolated from human urine was
EASY
NEET
IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 8 - Plant Growth and Development>TOPICWISE QUESTIONS>Q 43
First isolated cytokinin of plant origin is