Which of the following is a Physiological effect of Gibberellins?

(1) GA3 is used to speed up the malting process in brewing industry

(2) They promote senescence

(3) They shorten the market period

(4) Induce parthenocarpy in tomatoes

Subtopic:  Gibberellin |
 84%
From NCERT
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Spraying sugarcane crop with gibberellins increases the length of the stem and increase the length by

(1) 20 tonnes per Km

(2) 20 tonnes per acre

(3) 40 tonnes per acre

(4) 40 tonnes per Km

Subtopic:  Gibberellin |
 93%
From NCERT
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GAs hastens the maturity period in

(1) Pineapple

(2) Conifers

(3) Cactus

(4) Tomatoes

Subtopic:  Gibberellin |
 74%
From NCERT
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Early seed production in…….. can be done by GAs

(1) Pineapple

(2) Grapes

(3) Tomatoes

(4) Conifers

Subtopic:  Gibberellin |
 82%
From NCERT
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Gibberellins does not  promote bolting in

(1) Beet

(2) Cabbage

(3) Plants with rosette habit

(4) Pineapple

Subtopic:  Gibberellin |
 90%
From NCERT
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Bolting is

(1) Internode elongation just prior to flowering

(2) Internode elongation just after flowering

(3) Reduction in stem length just prior to flowering

(4) Reduction in stem length just after flowering

Subtopic:  Gibberellin |
 93%
From NCERT
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Which of the following PGRs have isolated from autoclaved herring sperm DNA?

(1) Cytokinins

(2) Gibberellins

(3) Auxin

(4) Ethylene

Subtopic:  Cytokinin |
 90%
From NCERT
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Which of the following figure depicts Apical Dominance?

(1) b

(2) a

(3) Does not belong Apical Dominance

(4) The information is insufficient to predict

Subtopic:  Growth Hormones & Auxin |
 77%
From NCERT
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Zeatin

(1) Isolated from herring sperm

(2) Isolated from coconut milk and corn Kernels

(3) Isolated from corn Kernels

(4) Isolated from rice seedlings

Subtopic:  Cytokinin |
 78%
From NCERT
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Natural Cytokinins are not found in

(1) Root apices

(2) Developing shoot buds

(3) Young Fruits

(4) Root hair zone

Subtopic:  Cytokinin |
 67%
From NCERT
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