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प्रश्न
In a fertilised embryo sac, the haploid, diploid, and triploid structures are ______.
विकल्प
Synergid, zygote, and primary endosperm nucleus
Synergid, antipodal and polar nuclei
Antipodal, synergid, and primary endosperm nucleus
Synergid, polar nuclei and zygote
उत्तर
In a fertilised embryo sac, the haploid, diploid, and triploid structures are synergid, zygote, and primary endosperm nucleus.
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संबंधित प्रश्न
Read the following statement and answer the questions that follow :
"A guava fruit has 200 viable seeds."
(a) What are viable seeds?
(b) Write the total number of :
(i) Pollen grains (ii) Gametes
in producing 200 viable guava seeds.
c) Prepare a flow-chart to depict the post-pollination events leading to viable-seed production in a flowering plant.
Give one word/term for the following:
When pollen grains of a flower reach the stigma of the same flower.
Explain the Following Term:
Ornithophily
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:
Where does the germination of the pollen grain take place and how?
Expand the following abbreviation IW.
Explain the pollination process in Salvia
Describe the process of double fertilization.
Long Answer Question:
Draw a labeled diagram of the L.S. of anatropous ovule and list the components of the embryo sac and mention their fate after fertilization.
Why fertilization process in angiosperms is called as double fertilization?
Pollen tube was discovered by
Size of pollen grain in Myosotis
Name the cell which divides to form male nuclei.
Write a short note on Heterostyly.
Which of the following is the CORRECT sequence of events during double fertilization in Angiosperms?
By which of the following double fertilization is exhibited?
Double fertilization is fusion of ______.
The total number of nuclei involved in double fertilisation in angiospersm are ______.
Ovules fall off after fertilization.
Give a term for the following:
Fusion of male gamete and secondary nucleus in angiosperms.
Name the nuclei involved in triple fusion.
