HARD
Earn 100
Define the helobial endosperm.
Important Questions on Sexual Reproduction in Flowering Plants
EASY
How many meiotic and mitotic divisions are required for the formation of male gametophytes from a pollen mother cell?
EASY
The coconut water from tender coconut represents:
MEDIUM
Explain the different types of endosperms in angiosperms.
MEDIUM
What is megasporogenesis? Explain the development of eight nucleate embryosac in flowering plants.
EASY
Inhibitory substances in dormant seeds cannot be removed by subjecting seeds to:
MEDIUM
Explain the embryonic development in angiosperm plants. Draw a labelled diagram of the heart-shaped embryo.
EASY
Select the correct sequence of Embryogenius in Dicots ?
HARD
What do you understand by seed dormancy? What are the natural ways of breaking the seed dormancy?
EASY
Coconut water from a tender coconut is:
EASY
The sequence of stages during embryogenesis of a dicotyledonous embryo.
EASY
In angiosperms, the development of male gametophyte takes place from ___________.
MEDIUM
Which one of the following statements regarding post-fertilization development in flowering plants is incorrect?
EASY
Non-albuminous seed is produced in:
EASY
The morphological nature of the edible part of coconut is
EASY
The bats eat the fleshy part of the mango and drop the _____(seed/flower) down in the soil.
MEDIUM
Give reason:
Some seeds have hooks or spines.
EASY
Orchids produce a large number of minute _____ for wind dispersal.
EASY
Seeds dispersed by wind generally possess hairy _____. [ingrowth/outgrowth]
MEDIUM
Through which of the following processes do the seeds of lady's finger disperse?
MEDIUM
In coconut, the liquid endosperm is formed because
