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1.Sexual Reproduction in Flowering Plants
medium
$A$ : Restitutional nucleus can be observed in endothecium cells.
$R$ : Endothecium cells are usually triploid.
A
Assertion and Reason both are correct and also correct explanation.
B
Assertion and Reason both are correct but not explanation of assertion.
C
Assertion is correct, but Reason is incorrect.
D
Both Assertion and Reason are incorrect.
Solution
Restitutional nucleus formed in tapetum cells. At anaphase doubling of chromosome take place and it is surrounded by nuclear envelop.
Standard 12
Biology
