Cell: The Unit of LifeMedium
Question
Which one of the following is a triploid cell?
Options
A.Synergid
B.Central cell
C.Zygote
D.Primary endosperm cell
Solution
Sol. [Key Concept: Endosperm is a triploid (3n) cell]
Synergid is haploid, Zygote is diploid, Central cell initially contains two polar nuclei which fuse just before fertilization to form a secondary nucleus (2n).
Primary endosperm cell (PEC) is triploid.
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