Following structures are haploid, diploid or triploid: | |
A-Oosphere | B-Microspore |
C-Synergids | D-Antipodal cell |
E-Oospore | F-Nucellus |
G-Endosperm | H-Tapetum |
Which of the following groups show the correct sequence of ascending order of ploidy in ovule/seeds? |
A) C B D
B) A E G
C) E F H
D) C D G
Correct Answer: B
Solution :
The structures found in ovule/seed and their ploidy levels are as follows: |
A - Oosphere (n) |
C - Synergids (n) |
D - Antipodal cell (n) |
E-Oospore (2n) |
F-Nucellus (2n) |
G-Endosperm (3n) |
As per options, option [b] with structures Oosphere [A], oospore [E] and endosperm |
(G) Show the correct sequence of ascending order of ploidy in ovule/seed. Tapetum (H) is innermost layer of anther wall and its ploidy level is 2n. |
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