Biology ยท General Awareness

Disease Vectors and Pathogens

820 Questions

Disease vectors and pathogens examine how organisms like Plasmodium and Leishmania transmit infections. Test items require matching vectors to specific diseases. Studying these life cycles is essential for scoring well.

Plasmodium infective stagesDisease transmission modesDisease vectors and fleasIntracellular parasitesElephantiasis causes

Disease Vectors and Pathogens Questions

Multiple choice

The primary vector for the transmission of malaria is:

  1. Mosquitoes

  2. Ticks

  3. Fleas

  4. Lice
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Malaria is transmitted by the bite of an infected female Anopheles mosquito.

Multiple choice

Which vector-borne disease is caused by a bacterium?

  1. Malaria

  2. Dengue Fever

  3. Lyme Disease

  4. Yellow Fever
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Lyme Disease is caused by the bacterium Borrelia burgdorferi, which is transmitted by the bite of an infected blacklegged tick.

Multiple choice

The virus that causes Dengue Fever is transmitted by:

  1. Mosquitoes

  2. Ticks

  3. Fleas

  4. Lice
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Dengue Fever is transmitted by the bite of an infected Aedes mosquito.

Multiple choice

Which vector-borne disease is caused by a protozoan?

  1. Malaria

  2. Dengue Fever

  3. Lyme Disease

  4. Yellow Fever
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Malaria is caused by the protozoan Plasmodium, which is transmitted by the bite of an infected Anopheles mosquito.

Multiple choice

The primary vector for the transmission of Yellow Fever is:

  1. Mosquitoes

  2. Ticks

  3. Fleas

  4. Lice
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Yellow Fever is transmitted by the bite of an infected Aedes mosquito.

Multiple choice

Which vector-borne disease is caused by a virus?

  1. Malaria

  2. Dengue Fever

  3. Lyme Disease

  4. Yellow Fever
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Dengue Fever is caused by the dengue virus, which is transmitted by the bite of an infected Aedes mosquito.

Multiple choice

Which vector-borne disease is transmitted by the bite of an infected blacklegged tick?

  1. Malaria

  2. Dengue Fever

  3. Lyme Disease

  4. Yellow Fever
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Lyme Disease is transmitted by the bite of an infected blacklegged tick.

Multiple choice

Which vector-borne disease is characterized by a fever, headache, and muscle aches?

  1. Malaria

  2. Dengue Fever

  3. Lyme Disease

  4. Yellow Fever
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Dengue Fever is characterized by a fever, headache, and muscle aches.

Multiple choice

Which vector-borne disease can cause serious complications, including encephalitis and meningitis?

  1. Malaria

  2. Dengue Fever

  3. Lyme Disease

  4. Yellow Fever
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Yellow Fever can cause serious complications, including encephalitis and meningitis.

Multiple choice

Which vector-borne disease is characterized by a rash that spreads from the site of the tick bite?

  1. Malaria

  2. Dengue Fever

  3. Lyme Disease

  4. Yellow Fever
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Lyme Disease is characterized by a rash that spreads from the site of the tick bite.

Multiple choice

Which vector-borne disease is transmitted by the bite of an infected sandfly?

  1. Malaria

  2. Dengue Fever

  3. Leishmaniasis

  4. Yellow Fever
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Leishmaniasis is transmitted by the bite of an infected sandfly.

Multiple choice

Which vector-borne disease is characterized by fever, chills, and sweating?

  1. Malaria

  2. Dengue Fever

  3. Lyme Disease

  4. Yellow Fever
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Malaria is characterized by fever, chills, and sweating.

Multiple choice

Which microorganism is responsible for causing malaria?

  1. Plasmodium falciparum

  2. Trypanosoma cruzi

  3. Leishmania donovani

  4. Toxoplasma gondii
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Plasmodium falciparum is the most deadly species of malaria parasite, causing the most severe form of the disease.

Multiple choice

Which of the following antiparasitic drugs is used to treat malaria?

  1. Chloroquine

  2. Artemisinin

  3. Mefloquine

  4. Doxycycline
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chloroquine is an antiparasitic drug that is used to treat malaria. It works by inhibiting the growth of the malaria parasite in red blood cells.

Multiple choice

Which vector-borne disease is most likely to be affected by climate change?

  1. Malaria

  2. Dengue fever

  3. Lyme disease

  4. Yellow fever
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Malaria is a vector-borne disease that is transmitted by mosquitoes. Climate change is expected to increase the range and abundance of mosquitoes, which could lead to an increase in malaria cases.