Non-­albuminous seed is produced in

Thalamus contributes in the fruit formation in

Seeds are adaptively important because
$1.$ they maintain dormancy
$2.$ they protect young plants during vulnerable stages
$3.$ they store food for young plants, and facilitate dispersal

$A$ : Nucellus remains persistent in the seeds of black pepper

$R$ : It is haploid parenchymatous tissue.

In which of the following plants, cotyledons form the first pair of leaves

Seed germination requires

$I$. Light $II$. Temp (suitable)

$III$. Moisture $IV$. Oxygen

Select correct option