Question

6. Which of the following conditions will be true
for dioecious plants?
D) Only autogamy is prevented.
2) Only xenogamy is prevented.
3) Both autogamy and geitonogamy is
prevented
4) Both geitonogamy and xenogamy is
prevented.
7. If an angiospermic male plant is tetraploid and
female plant diploid, the ploidy level of
endosperm will be
1) Haploid
2) Triploid
3) Tetraploid 4) Pentaploid
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Answer 1

Answer:

6)answer is 3

7)answer is 3

Answer 2

Answer:

Question No. 7 .

4) Pentaploid

Explanation:

•The male makes 2n gametes. •The female makes 1n gametes . •Two male sperm cell & one central cell from female are combined in the formation of the endosperm. 2n + 2n + 1n = 5n