Question

Nucellar polyembryony is reported in species of

• A. Gossypium
• B. Citrus
• C. Brassica
• D. Triticum

Answer 1

The correct option is B

Citrus

The correct option is B:

Explanation for the correct option:

1. Polyembryony is a condition in which a seed contains more than one embryo.
2. Nucellar cells in the surrounding area can sometimes begin to divide and extend into the embryo sac.
3. Embryos are formed as a result of their development.

Explanation for the incorrect options:

Option A:

1. In African traditional medicine, Gossypium arboreum is commonly utilized.
2. The root is used as an emmenagogue to induce uterine contractions, and an extract of the root or root bark is used as an abortifacient in Ghana and Nigeria.

Option C:

1. Brassica is a plant genus that includes cabbage and mustard plants.
2. Informally, the members of the genus are known as cruciferous vegetables.

Option D:

1. At the diploid, tetraploid, and hexaploid stages, Triticum (wheat) contains six biological species.

Final answer:
Nucellar polyembryony is reported in species of Citrus.