8. Which of the following plants do not show clear cut
vegetative, reproductive and senescent phases?
(1) Rice and wheat (2) Marigold and pea
(3) Mango and apple (4) Henbane and Radish

Dear student,
Please find below the solution to the asked query

The correct option is (3). 
The annual and biannual plants like rice, wheat, marigold, pea, henbane and radish show clear cut vegetative, reproductive and senescent phases. However, in perennial plants like mango and apple, it is very difficult to define these phases.

Hope this information will clear your doubts about the vegetative, reproductive and senescent phases in plants. 
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