Thymus possesses two types of plants,female flowered and hermaphrodite flowered. The condition is called

Differentiate between Stamen and Pistil.

Rarely among angiosperms,the pollen grains influence the endosperm. This is called as:

After culturing the anther of a plant,a few diploid plants were found along with haploid plants. The diploid plants could have arisen from

In which of the following organisms is internal fertilization observed?

Which of the following represents the correct sequence of phases in the life cycle of wheat? [where $J$ - Juvenile phase,$R$ - Reproductive phase,$I$ - Interflowering period,$G$ - Gap phase,$S$ - Senescence,$V$ - Vegetative phase]