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Basic Science botany Plant Physiology Growth

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1. An example of genetically identical cells of common origin is




2. The steady state phase is followed by sentence and death in these plants




3. Auxins produced by the apical buds suppress the growth of the




4. The sigmoid growth curve contains




5. Coleoptile curvature test is used as a confirmation of the compound as




6. Limited type of growth is seen in this plant




7. The pattern of growth in plan6ts shows




8. An organic compound that retards growth is called




9. The period of declining growth and the organism maintains the size it has already achieved is called




10. The Concentration of auxin required to promote cell enlargement along the longitudinal axis of stem is




11. The rapid growing phase of sigmoid curve is known as




12. Growth and differentiation results in




13. The hormone that induces the formation of parthenocarpic fruits is




14. A hormone like synthetic organic compound which in small amounts promotes or inhibits growth and development is called




15. Growth in plants is regulated through




16. The transformation of genetically identical cells of common origin into different tissues is




17. An example of synthetic plant growth regulator is




18. Phototropic movements of plants were studied by




19. 19.Only true natural auxin of higher plants is




20. Origin of parts or organs and the gross from of the plant is referred as




21. What is the net result of the metabolic processes going on in a plant




22. Sigmoidal pattern of growth is seen in




23. Premature fall of leaves and fruits are prevented by




24. An important plant hormone is




25. This is not the usual site of auxin formation in higher plants




26. The botanical name of oat is




27. An organic substance which is active in very minute quantity is




28. The following hormone stimulates respiration in plants is




29. The hormone which causes apical dominance is




30. The name of the disease caused by Gibberella fujikurai is




31. The germination of potato tubers during storage is prevented by spraying




32. The physiological properties of auxins are used in the field of




33. Cell division of tobacco cells in tissue culture was stimulated by




34. Kinetin was isolated first from




35. Gibberellins were discovered in




36. The synthetic auxin used as herbicide is




37. The hormone applied to hasten rooting in stem cutting of plants is




38. The cytokinins isolated from endosperm of tender coconut is




39. This is not a gibberelic acid




40. The number of gibberellins isolated from different plant sources is




41. Gibberellins were extracted from




42. In plants where IAA fails to induce parthenocarpy this hormone is used successfully




43. Bolting is useful to induce early flowering in




44. The botanical name of fungus from which gibberellins were extracted




45. Seedless fruits are produced by using




46. Chemical name of Kinetin is




47. The internode elongation in rice plants is due to




48. .This hormone is used in beer-brewing industry




49. The hormone which breaks dormancy of buds is




50. Development of ovary into fruit without the act of fertilization is called




51. Zeatin is isolated from




52. Flowering can be induced in plants which require specific photo period by




53. The hormone that breaks dormancy in some light sensitive seeds is




54. Flowering can be induced in plants which require specific photo period by




55. The hormone that breaks dormancy in some light sensitive seeds is




56. The combination of hormones required to produce plantlets in tissue culture is




57. Apical dominance caused by IAA is reserved by




58. Cytokinins are not abundant in




59. Kinetin can promote bud or root formation in callus tissue in combination with




60. Name of the instrument with a movable pointer fixed to a pulley and a graduated are fixed to a stand




61. Ageing process of plants is delayed by




62. Growth in length of plants can be measured by




63. 14.Bolting is useful to induce early flowering in