The plant part which consists of two generations one within the other is

The plant part which consists of two generations one with in the other is :

The plant part which consist of two generations one within the other: Pollen grains inside the anther Germinated pollen grain with two gametes Seed inside the fruit Embryo sac inside the ovule

The plant part which consist of two generations one within the other: Pollen grains inside the anther Germinated pollen grain with two gametes Seed inside the fruit Embryo sac inside the ovule

Plant part having two generations, one within the other is

Assertion The seeds fo gymnosperms are naked. Reason Seed consists of three generations one within the other.

A seed enclose three generations one within the others. Justify the statement.

Protoplasm of cell consists of two parts, they are

A composite slab consists of two parts of equal thickness. The thermal conductivity of one is twice that of the other. What will be the ratio of temperature difference across the two layers in the state of equilibrium ?