Biology 2014 JAMB Past Questions - Question 20: An example of an organ of perennation in plants is

Correct Answer

A

Explanation

Thisis the survival of biennial or. perennial plants from one year to the next yearusing vegetative parts of their bodies. Biennials are plants that completetheir life cycle within two years e.g. banana. in biennials andherbaceous perennials, the aerial parts of the plant (i.e. parts of the plantabove the ground) die during the dry season and these parts survive into thenext growing or rainy season uring and ground storage systems such asroots in carrots, stems in rhizomes (ginger), stem tubers in yam and cocoyam,suckers in banana etc. Calyx of floweris the collective name for sepais which protects the flower at the bud or earlystage while petals attract insects to pollinate the fiower. Seed is the productof fertilization of the ovule by pollen grain.