Kinetin term was used for …..by…
1.Cytokinins, Darwin
2.Cytokinin, Skoog And Miller
3.ABA, Darwin
4.ABA, F. Skoog
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCytokinesis promoting substance was crystallised by
1.Skoog and Darwin
2.Skoog and Miller
3.Kurosawa
4.Cousins
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect the correct match
1. Auxin – Promote seed dormancy
2. Cytokinin – Overcoming apical dominance
3. Ethylene – Bolting in beet
4. GA3 – Thinning of cherry and walnut
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyN6- furfurylamino purine and kinetin are derivative of …….
1.Indol compounds
2.Adenine
3.carotenoids
4.Terpenes
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyYou are given a tissue with its potential for differentiation in an artificial culture. Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots?
1. IAA and gibberellin
2. Auxin and cytokinin
3. Auxin and abscisic acid
4. Gibberellin & abscisic acid
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyNatural cytokinins are synthesized in tissue that are:-
(1) senescent
(2) dividing rapidly
(3) storing food material
(4) differentiating
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCytokinin does not help in:
1. Lateral shoot growth
2. Overcoming apical dominance
3. Adventitious shoot formation
4. Promoting leaf senescence
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyKinetin (cytokinin) was first discovered as a breakdown products of
1. DNA
2. t-RNA
3. Spindle fibres
4. m-RNA
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFind the incorrect statement.
F. Skoog and his co-workers observed that
1. | Callus proliferated only if Auxin is there |
2. | Callus proliferated only if Auxin + extracts of vascular tissue was there |
3. | Callus proliferated only if Auxin + Yeast extract was there |
4. | Callus proliferated only if Auxin + coconut milk/DNA was there |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCoconut water contains
1. ABA
2. auxin
3. cytokinin
4. gibberellin
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology