UExcel Microbiology Test 2

Question 1

Which of the following organisms is transmitted by the Tsetse fly?

Accepted Answer

Trypanosoma gambiense

Answer

Explanation:
Tsetse flies are the main carriers of African trypanosomes, which cause human and animal trypanosomiasis in 36 countries in Sub-Saharan Africa. These flies have formed symbiotic relationships with bacterial and viral microbes as well.

Question 2

Which of the following symptoms is not associated with Haemophilus influenzae?

Accepted Answer

Malaria

Answer

Explanation:
Malaria is caused by neither a virus nor a bacteria. Malaria is caused by the Plasmodium parasite, which is spread by infected mosquitoes. A mosquito feeds on Plasmodia infected blood.

Question 3

Which of the following is not connected to fungi?

Accepted Answer

Chlamydiae

Answer

Explanation:
Chlamydiae are bacteria that only live inside cells. They lack a number of metabolic and biosynthetic pathways and must rely on the host cell for intermediates, such as ATP. Chlamydiae is divided into two stages: infectious particles known as elementary bodies and intracytoplasmic reproductive forms known as reticulate bodies.

Question 4

A RNA virus is which of the following?

Accepted Answer

Herpesvirus

Answer

Explanation:
A herpes virus with DNA as its genetic material that causes herpes infections. Human herpesviruses are divided into two kinds. Cold sores on the lips or nose are caused by type 1 virus infections. Sores on the genitals are caused by type 2 virus infections (external and internal sex organs and glands).

Question 5

Which of the following organisms is transmitted by the Ixodes tick?

Accepted Answer

Babesia

Answer

Explanation:
Babesiosis is an infectious disease caused by protozoa of the genus Babesia that is primarily spread by tick vectors. Blood transfusions, organ transplants, and congenital transmission are extremely rare. Babesia protozoa infect animals, causing red blood cell lysis.

UExcel Practice Test

UExcel Practice Test

UExcel Microbiology Test 2