Advertisements
Advertisements
Question
Give reasons for the following:
Secondary growth does not occur in monocot stems.
Solution
The vascular bundles are oval, conjoint, collateral and closed as they have no cambium. So, secondary growth does not occur in monocot stems.
APPEARS IN
RELATED QUESTIONS
Answer the following question.
Pollen banks are playing a very important role in promoting plant breeding programs the world over. How are pollens preserved in the pollen banks? Explain. How are such banks benefitting our farmers? Write any two ways.
Pollen grains can be stored in liquid nitrogen at ______.
Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called ______.
Generative cell was destroyed by laser but a normal pollen tube was still formed because ______.
In angiosperms, pollen tubes liberate their male gametes into the ______.
Pollen grain is a ______.
How many pollen mother cells should undergo meiotic division to produce 64 pollen grains?
One of the most resistant biological material present in the exine of pollen grain is ______.
Mark the odd one.
Heliophytes are ______.
