MEDIUM
Earn 100
The primary endosperm nucleus (PEN) cell is triploid.
50% studentsanswered this correctly
Important Questions on Reproduction in Lower and Higher Plants
EASY
Angiospermic plants are characterised by
(i) Double fertilisation
(ii) Triploid endosperm
(iii) Diploid endosperm
Choose the correct option from the following regarding above statements?
MEDIUM
The additional nuclear ploidy levels found in a diploid angiosperm species in full bloom compared to its vegetative stage are
EASY
Which cell of the female gametophyte is involved in the formation of primary endosperm nucleus (PEN) after fertilization ?
MEDIUM
Describe the process of double fertilisation in angiosperms. What is its significance?
EASY
Function of filiform apparatus is to:
EASY
In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are:
EASY
In angiosperms, the development of male gametophyte takes place from ___________.
EASY
Define triple fusion. What is the product of this process?
EASY
Union of Pronuclei of the gametes is called ___.
HARD
An apple showing monosporic type of embryo sac development assumed to develop a fruit with seeds. Find out the no. of chromosomes present in megaspore mother cell, functional megaspores, egg cells, synergids, antipodals, zygote and PEN
HARD
What is triple fusion? Name the nuclei involved in triple fusion.
EASY
Double fertilization is exhibited by:
HARD
What is double fertilization? Describe the process with diagrams from the stage of megaspore formation to zygote formation.
MEDIUM
What is triple fusion? Write the significance of it.
MEDIUM
Why the process of fertilization in angiosperm is referred as double fertilization?
MEDIUM
What is triple fusion? What are the nuclei involved in triple fusion?
EASY
An angiosperm was identified with its endosperm of . Assuming that this is a self-pollinating species, which one of the following is the correct ploidy of the parent?
MEDIUM
A flower with Tt genotype is cross - pollinated by TT pollens. What will the genotypes of the resulting endosperm and embryo, respectively, be?
EASY
The process of double fertilization is the
