plant growth and development
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plant growth and development - Marcador
plant growth and development - Detalles
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59 preguntas
| 🇬🇧 | 🇬🇧 |
| Curling of tendrils is due to | Thigmotrophism |
| Gibberellins can promote seed germination because of their influence on | Prouction of hyrolyzing enzymes |
| Senescence as an actie developmental cellular process in the growth and functioning of a flowering plant,is indicated in | Leaf abscission |
| Thigmotropic movement is best shown by | Movement in tendrils |
| Phytohormones are | Regulators synthesided by plants and influencing physiological processes |
| Auxetic growth is | Increase in cell volume only |
| Which combination of gases is suitable for fruit ripening | 80 per cent C2H4 and 20 per cent CO2 |
| ABA is involved in | Increased cell division |
| Dwarfness can be controlled by treating plant with | Gibberellic acid |
| Seed dormancy is due to the | Abscisic acid |
| Differentitation of shoot is controlled by | High cytokinin: auxin ratio |
| The method that renders the seed coat permeable to water so that embryo expansion is not physically retarded is | Scarification |
| The response of different organisms to environmental rhythms of light and darkness is called | Photoperiodism |
| What will be the effect on phytochrome in a plant subjected to continous red light | Level of phytochrome decreases |
| In short day plants, flowering is induced by | Photoperiod below a critical length and uninterrupted long night |
| Flowering dependent on cold treatment is | Vernalisation |
| Which one increases in the absence of light | Elongation of internodes |
| Phytochrome is involved in | Photoperiodism |
| Treatment of seed at low temperature under moist condition to break its dormancy is called | Stratification |
| Abscisic acid controls | Leaf fall and dormancy |
| Hormone primarily concerned with cell division is | Cytokinin/zeatin |
| Abscisic acid causes | Stomatal closure |
| Cytokinins | Helps retain chlorophyll |
| Auxin can be bioassayed by | Avena coleoptile curvature |
| Abscissic acid | Stomatal closure |
| Which acid is a derivative of carotenoids | Abscisic acid |