The edible part of an apple is:

Which plant's seeds germinated after a dormancy period of approximately $10,000$ years?

Residual persistent nucellus in seed is called . . . . . .

Which plant will lose its economic value if its fruits are produced by induced parthenocarpy?

$S$ - Statement: The embryo from the seed of an orchid is extracted and grown in a culture medium.
$R$ - Reason: The seeds of some plants like orchids do not contain stored food.

Which is most crucial for seed storage?