In the seeds of cereals,the single cotyledon is represented by the .......

The seed of $Lupinus \text{ } arcticus$ excavated from Arctic Tundra, germinated and flowered after an estimated record of dormancy of how many years (in $years$)?

Match the following columns:

Column-$I$	Column-$II$
$(a)$ Pea	$(1)$ Albuminous seed
$(b)$ Beet	$(2)$ Albuminous dicot seed
$(c)$ Castor	$(3)$ Perisperm
$(d)$ Barley	$(4)$ Non-albuminous seed

Give differences: False Fruit and True Fruit.

Fruit is:

Define the importance of the following structures in a monocot seed:
$(i)$ Aleurone layer
$(ii)$ Epidermal layer