Oxide | Nature | ||
---|---|---|---|
(a) | CO | (ii) | Neutral |
(b) | BaO | (i) | Basic |
(c) | \(Al_{2}O_{3}\) | (iv) | Amphoteric |
(d) | \(Cl_{2}O_{7}\) | (iii) | Acidic |
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): A typical unfertilized, angiosperm embryo sac at maturity is 8-nucleate and 7-celled.
Reason (R): The egg apparatus has 2 polar nuclei.
In the light of the above statements, choose the correct answer from the options given below: