Name one example for each of the following :
(i) A plant in which both male and female sex organs occurs in the same flower .
(ii) A plant in which separate male and female flowers are borne on the same individual at different positions.
(iii) A cultivated plant in which neither fruits nor seeds are formed.
(iv) A species in which the individual plant in either male of female.

Explanation

(i) Hibiscus rosa-sinensis, (ii) Zea-mays ( Maize), (iii) Sugar cane ,(iv) Date-palm.