Which one of the following organisms is scientifically correctly named. Corretly printed according to the Intermational Rules, of Nomenclature, and correctly described

Options

A. Musca domestica - The common house lizard, a reptile
B. Plasmodium falciparum - A protozoan pathogen causing the most serious type of malaria
C. Felis tigris - The Indian tiger, well protected in Gir forests
D. E. coli - Full name Entamoeba coli a commonly occurring bacterium in human intestine

Answer

To determine which organism is scientifically correctly named and described according to the International Rules of Nomenclature, we will evaluate each option provided in the question step by step.

### Step-by-Step Solution:

1. **Evaluate Option A: Musca domestica**
- The name "Musca domestica" is indeed correctly formatted as it follows the rules of binomial nomenclature (genus name capitalized, species name in lowercase).
- However, the description states it is the "common house lizard," which is incorrect. "Musca domestica" refers to the common housefly, not a lizard.
- **Conclusion:** This option is incorrect.

2. **Evaluate Option B: Plasmodium falciparum**
- The name "Plasmodium falciparum" is correctly formatted according to the rules of binomial nomenclature.
- The description states it is a "protozoan pathogen causing the most serious type of malaria," which is accurate.
- **Conclusion:** This option is correct.

3. **Evaluate Option C: Felis tigris**
- The name "Felis tigris" is formatted correctly, but the description states it refers to the "Indian tiger." The correct genus for the tiger is "Panthera," not "Felis."
- **Conclusion:** This option is incorrect.

4. **Evaluate Option D: E. coli**
- The name "E. coli" is commonly used, but it is a shorthand for "Escherichia coli," which is correctly formatted.
- However, the description states it is "Entamoeba coli," which is incorrect. "E. coli" refers to "Escherichia coli," a bacterium found in the human intestine.
- **Conclusion:** This option is incorrect.

### Final Answer:
Based on the evaluations, the organism that is scientifically correctly named and described according to the International Rules of Nomenclature is **Option B: Plasmodium falciparum**.

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