Question

Which one of the following is not a protozoan protist?
a) Plasmodium ovale
b) Paramecium caudatum
c) Enterobius vermicularis
d) Trypanosoma Gambiense.

Answer 1

Protozoa is the term used for a group of single-celled eukaryotes, they can be either free-living or parasitic. Their feeding pattern is on organic matter or microorganisms and tissues or tissue debris. As we know protozoa cannot prepare their own food. They cannot be placed in autotrophic rather they are heterotrophic and unicellular.

Complete answer:
c) Enterobius vermicularis - commonly called a pinworm. It is a parasite present in humans and causes parasitic worm infections in the stomach. Common symptoms include stomach ache and itchiness around the anal area.
Option C is the correct answer.
a) Plasmodium ovale - it is a parasitic protozoan which causes malaria in humans. One of the Plasmodium species which infect the human body for malarial infection. Hence it is a protozoan.
Option A is not the correct answer.
b) Paramecium caudatum - this species is a unicellular protist belonging to phylum Ciliphora. They have cilia for feeding and moving.
Option C is not the correct answer.
d) Trypanosoma Gambiense - Trypanosoma Gambiense are infected by protozoa. Also known to be sleeping sickness disease.
Option D is not the correct answer.

Note:
The slime molds, algae are some of the examples of the group protists. They have heterotrophic life which consumes and transforms food to energy. They also have a complex structure, living in moist, shady and marine habitats.