During seed germination its stored food is mobilised by.

1. ethylene
2. cytokinin
3. ABA
4. gibberellin

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Which one of the following is correctly matched?

1. Passive transport of nutrients - ATP
2. Apoplast - Plasmodesmata
3. Potassium - Readily mobilization
4. Bakane of rice seedlings - F Skoog

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Phototropic curvature is the result of uneven distribution of.
(a) gibberellin
(b) phytochrome
(c) cytokinins
(d) auxin

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Photoperiodism was first characterised in :-
(a) tobacco (b) potato
(c) tomato  (d) cotton

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Coiling of garden pea tendrils around any support is an example of 
1. thigmotaxis
2. thigmonasty 
3. thigmotropism
4. thermotaxis

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One of the synthetic auxin is 
(a) NAA
(b) IAA
(c) GA
(d) IBA

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Which one of the following acids is a derivative of carotenoids?

(a) Indole-butyric acid
(b) Indole-3-acetic acid
(c) Gibberellic acid
(d) Abscisic acid

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Senescence as an active developmental cellular process in the growth and functioning of a flowering plant, is indicated in

(a) vessels and tracheid differentiation
(b) leaf abscission
(c) annual plants
(d) floral parts

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Importance of day length in flowering of plants was first shown in 
(a) Lemna
(b) tobacco
(c) cotton
(D) Petunia

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Opening of floral buds into flowers, is a type of:-
(a) autonomic movement of locomotion
(b) autonomic movement of variation
(c) paratonic movement of growth
(d) autonomic movement of growth

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