Plant Growth and Development questions
465 published questions with worked solutions.
- In tea plantations and hedge making, gardeners trim the plants regularly so that they remain bushy. The scientific explanation...
- Removal of the auxin source demonstrates that leaf abscission is _____ by auxin and apical dominance is _____ by auxin.
- Functions of auxins include
- Artificial application of auxins like IAA, IBA and NAA to unpollinated pistils can form
- The term 'antiauxin' refers to
- Which of the following statements regarding gibberellins is incorrect?
- To speed up the malting process in the brewing industry, the growth hormone used is
- Statement 1: Elongation of reduced stem is possible due to application of gibberellin hormone. Statement 2: Gibberellin...
- Spraying sugarcane with gibberellins increases the yield by as much as 20 tonnes per acre. GA performs it by
- Bolting, i.e. internode elongation just prior to flowering in beet, cabbage and many rosette plants, is promoted by
- Internodal elongation is stimulated by
- Which phytohormone would you use if you are asked to 'bolt' a rosette plant?
- Which of the following physiological effects is caused in plants by gibberellic acid?
- The activity of α-amylase in the endosperm of germinating seed of barley is induced by
- Kinetin, a modified form of adenine, was discovered from
- Match column I with column II and select the correct option from the codes given below. Column I | Column II A. Natural auxin |...
- What would happen if you forget to add cytokinin to the culture medium?
- In addition to auxins, _____ must be supplied to the culture medium to obtain a good callus in plant tissue culture.
- In plant tissue culture experiments, high auxin to cytokinin ratio favours _____ development and high cytokinin to auxin ratio...
- The phenomenon of apical dominance can be overcome by exogenous application of
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