Advertisements
Advertisements
प्रश्न
Angiosperms bearing unisexual flowers are said to be either monoecious or dioecious. Explain with the help of one example each.
Advertisements
उत्तर
Flowers that possess either stamens (male) or carpels (female) are called unisexual flowers. The plants possessing both male and female flowers in the same plant are are called monoecious and when male and female flowers are present on different plants, they are known as dioecious.
Example of monoecious plants: Cucurbits and coconut
Example of dioecious plants: Papaya and date palm
APPEARS IN
संबंधित प्रश्न
Draw a labelled mature stage of a dicotyledonous embryo.
Describe the formation of helobial endosperm
Describe the development of an endosperm in a viable seed. Why does endosperm development precedes embryo development?
Identify the ploidy of embryo and endosperm respectively formed after following cross.
An angiospermic male plant with 24 chromosomes in its pollen mother cells is crossed with female plant bearing 24 chromosomes in its root cells.
Which of the following triggers an acrosomal reaction of the sperm?
Ex-albuminous seeds differ from albuminous seeds in ____________.
In dicots, the pollen grains are usually ______
A diploid female plant and a tetraploid male plant are crossed. The ploidy of endosperm shall be ______.
In angiosperms, triple fusion is required for the formation of ______.
The coconut water from tender coconut is ______
