Q544
Which one is diploid?
A.
Synergids
B.
Secondary nucleus
AnswerC.
Antipodals
D.
Egg
Answer: Option B
Solution
Answer: Option B
Solution:
The secondary nucleus is diploid.The secondary (definitive) nucleus is formed by the fusion of two haploid polar nuclei hence it is diploid (2n).
It is also called the primitive endosperm nucleus. It is the main food source for angiosperm embryos.