Attempted
Correct
UnAttempted
Wrong
A bract can be differentiated from bracteole by its :
Both bract and bracteole are leafy structure associated with flowers. Bract develops one peduncle (inflorescence axis) and bracteole develops on pedicle or at the base of the thalamus.
Pneumatophores are found in –
Stilt roots occur in –
Which region of the root-tip is involving in the formation of root hairs by epidermal cells?
If aprimary root continues to grow, the type of root system will be known as
Outer covering of epiphytic roots is
In epiphytic roots the outer covering is made up of spongy tissue, the velamen which absorbs moisture from air.
Plants have supporting roots coming out of the lower nodes of the stem is known __________ roots.
Napiform roots are recorded from
The root is nearly globular or spherical in shape. The basal portion of root is much swollen which suddenly tapers towards the apex giving a top shaped appearance, e.g., turnip and beet.
Fusiform roots are found in
The storage root is like a spindle, narrow towards both base and apex. It occurs in Raphanus sativus. The basal part of it is made of tap root.
A fibrous root system is better adapted than tap root system for
They are thin thread - like adventitious roots which of ten develop in groups. Fibrous roots provide better and firm anchorage to the plant, e.g., Grass.