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
C.
perianth and peduncle
Sorosis is the composite fruit that develops from spike and catkin, eg, in pineapple edible part develops from perianth and peduncle.
Fleshy thalamus is an edible part of pear, apple fruit, eg, pome fruits.
Cotyledons are edible part of cashewnut, eg, nut fruits.
Endosperm is an edible part of caryopsis of wheat, rice, etc.
Most primitive member, in which roots are not present, is
Psilotum
Rhynia
Lycopodium
Selaginella