NCERT Solution: Plant Kingdom
If the diploid number of a flowering plant is 36. What would be the chromosome number in its endosperm
(a) 36
(b) 18
(c) 54
(d) 72
NCERT Exampler
Ans. (c) 54
Endosperm is formed after fusion between a haploid male gamete and diploid secondary nucleus. Thus, endosperm has triploid nucleus; which will have three times the number of chromosomes as in a haploid nucleus.