Solarisation is
formation of chlorophyll
destruction of chlorophyll
utilisation of sunlight
effects of solar light
A fern prothallus is bisexual. If fertilisation takes place between their gametes than it is known as
cross- fertilisation
self- fertilisation
isogamous
viviparous
Which of the following is not the feature of gymnosperms?
parallel venation
perennial plants
distinct branches (long and short branches)
xylem with vessels
Edible part in 'sorosis', a composite fruit, is
cotyledons
endosperm
perianth and peduncle
fleshy thalamus
Which of the following is a true nut?
Walnut
Cashewnut
Groundnut
Pistachio
B.
Cashewnut
Nut is a fruit which develops from polycarpellary, superior ovary. The pericarp is hard, woody or leathery, eg, edible part of chestnut is cotyledons.
Groundnut is lomentum having seed as an edible part.
Walnut is a drupe fruit having cotyledon as an edible part.
Pistachio is a drupe having seed as an edible part.
Most primitive member, in which roots are not present, is
Psilotum
Rhynia
Lycopodium
Selaginella