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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following PGRs have isolated from autoclaved herring sperm DNA?
1.Cytokinins
2.Gibberellins
3.Auxin
4.Ethylene
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following occurs naturally in plants?
1.Kinetin
2.NAA
3.IBA
42,4 D
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following figure depicts Apical Dominance?
1.c
2.a
3.Does not belong Apical Dominance
4.The information is insufficient to predict
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyZeatin
1.Isolated from herring sperm
2.Isolated from coconut milk and corn Kernels
3.Isolated from corn Kernels
4.Isolated from rice seedlings
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyNatural Cytokinins are not found in
1.Root apices
2.Developing shoot buds
3.Young Fruits
4.Root hair zone
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCytokinins
1. Helps to produce new leaves
2. Helps to produce chloroplasts in leaves
3. Lateral shoot growth, Adventitious Shoot Formation
4. All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCytokinin
Which of the following is not correct?
(1) Help to overcome apical dominance
(2) They promote nutrient mobilisation and helps in the delay of leaf senescence
(3) Lateral Shoot Growth
(4) Formation of Tap root
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following hormones is synthesised in large amounts by tissues undergoing senescence and ripening fruits?
(1) Ethylene
(2) ABA
(3) Auxins
(4) GA3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyInfluences of Ethylene in plants do not include
(1) Horizontal growth of seedlings
(2) Swelling of the axis
(3) Apical hook formation in dicot seedlings
(4) Lateral shoot growth
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology