Question

Bakanae disease is due to-
A. Alga
B. Fungus
C. Virus
D. Bacterium

Answer 1

Hint: Bakanae the term is derived from the Japanese meaning "foolish seedling", is a term used to describe a disease that infects the rice plant. The disease caused by the fungus Gibberella fujikuroi, that is metabolism of which produces a surplus of gibberellic acid.

Complete answer:
> Option - A- Algae is a term for a large as well as diverse group of photosynthetic eukaryotic organisms. It is a polyphyletic grouping, which contains species from multiple distinct clades.

> Option - B- Fungus is a member of the group of eukaryotic organisms kingdom that includes micro-organisms like yeasts along with molds, as well as the more familiar mushrooms. These eukaryotic organisms are classified as a kingdom, which is isolated from the other eukaryotic organism life kingdoms of plants as well as animals.

> Option - C- A virus is a tiny collection of genetic code, they can be either DNA or RNA, which is surrounded by a protein coat. A virus cannot replicate alone.

> Option – D - Bacteria are a type of biological cell. It constitutes a large domain of prokaryotic microorganisms. They are typically a few micrometers in length.

Hence, the correct answer is option (B).

Note: Bakanae is a seed borne fungal disease. It infects plants, especially rice plants. It affects the plant through the roots or crowns. It later grows within the plant, and slowly infects the panicle.