Advertisements
Advertisements
प्रश्न
Given ahead is a diagrammatic sketch of the sectional view of a germinating pollen grain. Study the same and then answer the question that follows:
What is the function of the part labelled '4'?
उत्तर
The function of part '4' (tube nucleus) is to direct the growth of the pollen tube towards the ovary.
APPEARS IN
संबंधित प्रश्न
What happens to the following after fertilization?
Petals
Explain the pollination process in maize.
Give any four points of significance of double fertilization.
After fertilization the ovule becomes ______.
Define triple fusion.
‘Pollination in Gymnosperms is different from Angiosperms’ – Give reasons.
The success of seed plants on land is mainly due to ______.
The total number of nuclei involved in double fertilisation in angiospersm are ______.
All the events from pollen deposition on the stigma until pollen tubes enter the ovules are together referred to as ______.
Give a term for the following:
Fusion of male gamete and secondary nucleus in angiosperms.
