In gymnosperms the female gametophyte forming archegonia provides nourishment to the developing embryo. It later gets transformed into food-laden endosperm inside the seed. Endosperm provides nourishment for growth of seed at the time of seed germination. Triploid endosperm occurs in angiosperms.

Correct Option: B

In gymnosperms the female gametophyte forming archegonia provides nourishment to the developing embryo. It later gets transformed into food-laden endosperm inside the seed. Endosperm provides nourishment for growth of seed at the time of seed germination. Triploid endosperm occurs in angiosperms.

Monosporic type - eight nucleated Polygonum type. In this types only one megapore situated at chalazal end takes part in the development of embryosac.
Bisporic type - eight nucleated Allium type. Tetrasporic type - eight nucleated Adoxa type.

Correct Option: D

Monosporic type - eight nucleated Polygonum type. In this types only one megapore situated at chalazal end takes part in the development of embryosac.
Bisporic type - eight nucleated Allium type. Tetrasporic type - eight nucleated Adoxa type.

Vallisneria exhibits hydrophily and Salvia is pollinated by honey bee. In bottle brush pollination is carried out by birds.

Correct Option: D

Vallisneria exhibits hydrophily and Salvia is pollinated by honey bee. In bottle brush pollination is carried out by birds.

The outermost covering of the pollen grain is made of sporopollenin.

Correct Option: D

The outermost covering of the pollen grain is made of sporopollenin.

In anatropous, ovule gets inverted and micropyle is on the lower side. It is the most common type of ovule. In orthotropous ovule micropyle is upward. This is the presentive type of ovule.

Correct Option: B

In anatropous, ovule gets inverted and micropyle is on the lower side. It is the most common type of ovule. In orthotropous ovule micropyle is upward. This is the presentive type of ovule.