Question

Which one of the following diseases is caused by protozoans?

• A. Malaria
• B. Influenza
• C. AIDS
• D. Cholera

Answer 1

The correct option is A

Malaria

The correct option is A.
Explanation for the correct option:
Option A:

1. Protozoa are microscopic unicellular eukaryotes with a very complex internal structure and complex metabolic processes.
2. Propulsion structures and various modes of mobility are present in several protozoa.
3. Malaria is a dangerous and occasionally fatal disease caused by a parasite that frequently infects a particular breed of mosquito that feeds on humans.
4. Plasmodium protozoa are the culprits behind malaria.
5. Human disease is brought on by the P falciparum, P vivax, P ovale, and P malariae species.
6. Reptiles, birds, and various mammals are infected by different types of plasmodia.
7. When female Anopheles mosquitoes of the genus Anopheles bite people, they transmit malaria.

Explanation for the incorrect options:
Option B:

1. In high-risk populations, influenza is a frequent viral infection that can be fatal.
2. The lungs, nose, and throat are affected by the flu.
3. A viral infection known as influenza targets the respiratory system, including the nose, throat, and lungs.
4. Although influenza is frequently referred to as the flu, it differs from stomach "flu" viruses that cause vomiting and diarrhoea.

Option C:

1. The human immunodeficiency virus (HIV) is the primary cause of the chronic, potentially fatal illness known as acquired immunodeficiency syndrome (AIDS) (HIV).
2. HIV interferes with our body's capacity to fight disease and infection by weakening our immune system. those who share equipment and engage in unprotected sex with a drug-injecting partner.
3. Individuals who have a history of hepatitis B or C, or sexually transmitted illnesses. individuals with a history of several sexual partners.
4. The virus known as HIV (human immunodeficiency virus) targets the immune system of the body.
5. AIDS can develop from HIV if it is not treated (acquired immunodeficiency syndrome).

Option D:

1. Extremely contagious cholera can result in severe acute watery diarrhoea.
2. Vibrio cholerae is the germ that causes cholera.
3. A bacteria called Vibrio cholerae.
4. Plasmodium falciparum and Plasmodium vivax are parasitic protozoa that are the cause of malaria.

Final answer: Malaria diseases are caused by protozoans.