Question

b) Define the following: [5]
i) Tissue
ii) Complete flower.
iii) Polypetalous flower
iv) Heterostyly
v) Emasculation

Answer 1

Answer:

tissue is the group of cells

Answer 2

Answer:

i) the mass of cells that form the bodies of humans, animals and plants.

ii)flower having sepals, petals, stamens, and pistils is complete; lacking one or more of such structures, it is said to be incomplete. Stamens and pistils are not present together in all flowers.

iii)polypetalous Describing a flower in which the corolla consists of separate petals. 

iv)the condition (e.g. in primroses) of having styles of different lengths relative to the stamens in the flowers of different individual plants, to reduce self-fertilization.

v)Removal of stamens or anthers or killing the pollen of a flower without the female reproductive organ is known as emasculation. In bisexual flowers, emasculation is essential to prevent of self-pollination. In monoecious plants, male flowers are removed.