open and closed style

Define the following terms:

i) Adventitious roots

ii) Cuticle

iii) Heterophylly

iv) Tapetum

v) Pollinia

Enlist the major characteristic features of halophytes.

State whether these statements are ‘True’ or ‘False’:

 i) Funiculus is the stalk by which seeds are attached to a fruit wall.

ii) Collenchyma is composed of living cells with lignified cell wall.

iii) Outer and inner tangential walls of the endothecial cells help in dehiscence of anther.

iv) In dichogamy, the androecium and gynoecium mature at the same time.

v) In most of the angiosperms the division of the zygote is transverse resulting in formation of a small apical cell and a large basal cell.

pneumatophores

commercial cork

Trichomes play important role in plants, Justify the statement.