Sexual Reproduction In Flowering Plants Ques 11
11. If an angiospermic male plant is diploid and female plant tetraploid, the ploidy level of endosperm will be
(a) haploid
(b) triploid
(c) tetraploid
(d) pentaploid
Show Answer
Answer : d
Hints & Solutions
(d) The male gamete will be haploid (n). 2 polar nuclei will be haploid (n). Endosperm formed by fusion of male gamete with two polar nuclei will be triploid.
$$ \underset{(n)}{\text { Male gamete }}+2 \underset{(n)}{\text { polar nuclei }} \longrightarrow \underset{(3 n)}{\text { Endosperm }} $$
BETA
