EASY
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Along with the development of the endosperm, the zygote forms
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Important Questions on Sexual Reproduction in Flowering Plants
MEDIUM
The additional nuclear ploidy levels found in a diploid angiosperm species in full bloom compared to its vegetative stage are
EASY
Union of Pronuclei of the gametes is called ___.
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?
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?
EASY
Different parts of embryonic axis based on cotyledon position in a dicot embryo
EASY
Which cell of the female gametophyte is involved in the formation of primary endosperm nucleus (PEN) after fertilization ?
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 double fertilization? Describe the process with diagrams from the stage of megaspore formation to zygote formation.
EASY
Double fertilization is exhibited by:
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
In apple, the chromosome number of gametes is . What is the chromosome number in its Primary Endosperm Nucleus (PEN)?
MEDIUM
Describe the process of double fertilisation in angiosperms. What is its significance?
EASY
In angiosperms, the development of male gametophyte takes place from ___________.
HARD
What is triple fusion? Name the nuclei involved in triple fusion.
EASY
Define triple fusion. What is the product of this process?
MEDIUM
What is triple fusion? Write the significance of it.
EASY
Function of filiform apparatus is to:
EASY
The sequence of stages during embryogenesis of a dicotyledonous embryo.
MEDIUM
Which one of the following statements regarding post-fertilization development in flowering plants is incorrect?
