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.

In campylotropous ovule, the body is curved but the embryo sac is straight eg. Capsella. In anatropous ovule, the body of ovule is inverted and gets fused with funiculus along its whole length on one side (most of the angiosperms). In orthotropous condition, the body of ovule lies straight and upright over the funicle. e.g. Piperaceae, Polygonaceae.

Correct Option: A

In campylotropous ovule, the body is curved but the embryo sac is straight eg. Capsella. In anatropous ovule, the body of ovule is inverted and gets fused with funiculus along its whole length on one side (most of the angiosperms). In orthotropous condition, the body of ovule lies straight and upright over the funicle. e.g. Piperaceae, Polygonaceae.

In flowering plants, archesporium cells undergo periclinal (transverse) division to form outer primary parietal layer and inner sporogenous cells. Primary parietal wall after few more periclinal divisions form anther wall and sporogenous cells give rise to sporogenous tissue.

Correct Option: C

In flowering plants, archesporium cells undergo periclinal (transverse) division to form outer primary parietal layer and inner sporogenous cells. Primary parietal wall after few more periclinal divisions form anther wall and sporogenous cells give rise to sporogenous tissue.

Antipodal cells occur at the chalazal end of the ovule. Synergids are the helping cells.

Correct Option: D

Antipodal cells occur at the chalazal end of the ovule. Synergids are the helping cells.

In oogamy male and female gametes are morphologically as well as physiologically different. Female gametes are large and nonmotile. Male gametes are small but motile.

Correct Option: B

In oogamy male and female gametes are morphologically as well as physiologically different. Female gametes are large and nonmotile. Male gametes are small but motile.