Question

Ascaris lumbricoides is commonly called:
A. Roundworm
B. Hookworm
C. Pinworm
D. Seatworm
E. Filarial worm

Answer 1

Hint: The binomial nomenclature of an organism is made up of a genus and species. The commonly known names of organisms which are locally used by the common public are known as their common names. These names are easy to pronounce. Ascaris lumbricoides is a type of parasite and is round in appearance.
Complete step-by-step answer: Ascaris lumbricoides belongs to phylum Nematoda of kingdom animalia. The members of phylum Nematoda are parasites or free-living. Parasitic worms cause diseases in the host. Their cuticle is moist and they show sexual dimorphism. They are cylindrical in shape and the alimentary canal is complete. The members of this phylum are commonly known as roundworms.
Ascaris lumbricoides is large and parasitic to humans. The larval and adult forms are cylindrical in shape and the sexes are separate. Male worms are up to 12 cm in length, while female worms are up to 19 cm in length and both are separate from each other. They cause ascariasis disease in humans.
-Hookworm is the common name for worms such as Necator americanus
- Pinworm is the common name for worms such as Enterobius vermicularis
-Seatworm is another name for pinworms
-Filarial worm is the common name for worms such as Wuchereria bancrofti and causes elephantiasis.
Ascaris lumbricoides belongs to phylum Nematoda, and are commonly known as roundworms.
Therefore, the correct answer is option A- Roundworm.
Note: Roundworms cause a disease known as ascariasis. It happens when a person comes in contact with worms’ eggs through food, soil or water. If these worms are in the patients’ lungs it causes:
- Continuous coughing
- Difficulty in breathing
- Wheezing
And when they are in intestine they cause:
- Nausea
- Stomach pain
- Vomiting
- Blood in stools