A flower of tomato plant following the process of sexual reproduction produces 240 viable seeds. Answer the following questions giving reasons :                 (5 marks)

(a) What is the minimum number of pollen grains that must have been involved in the pollination

      of its pistil ?

(b) What would have been the minimum number of ovules present in the ovary ?

(c) How many megaspore mother cells were involved ?

(d) What is the minimum number of microspore mother cells involved in the above case ?

(e) How many male gametes were involved in this case ?


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