Question

Secondary nucleus is also called as:

• A. Tube Nucleus
• B. Definitive Nucleus
• C. Generative Nucleus
• D. Primary Endosperm Nucleus

Answer 1

The correct option is D

Primary Endosperm Nucleus

The correct option is D.

Explanation of correct option:

1. The fusion of two nuclei forms a diploid nucleus.
2. That formed nucleus is known as the primary endosperms nucleus.
3. The secondary nucleus is formed by the process of fertilization in the embryo sac of the seed plant.

Explanation of the incorrect option:

Option A:

The tube nucleus is the formation of nuclei with the mitotic division at the time of formation of pollen grains, whose main function is held to control the pollen tube growth

Option B:

Definitie nucleus is the second name of a secondary nucleus formed by the fusion of two polar nuclei.

Option C:

Generative nuclei are present in the pollen grains at the time of the division of microspores for the formation of enlarged vegetative cells and tiny generative cells.

Final answer:

The secondary nucleus is also called as primary endosperm nucleus.