1-10 Flashcards
(10 cards)
1
Q
- Which of the following is an acellular microorganism?
a. Bacteria
b. Archara
c. Funga
d. Prion
A
d. Prion
2
Q
- What is a moor distinguishing feature of archaea compared to bacteria?
a. Prosence of a nuckcus
b. Ability to parform photosynhosis
c. Adaptation to extreme environments
d. Absence ofa cell membrane
A
c. Adaptation to extreme environments
3
Q
- Which of the following microonganisms is a cularyate?
a. Racilhur subths
b. Abcuhaterium tuberraonts
c. Saccharamyces cereistas
d. Escherichta coll
A
c. Saccharamyces cereistas
4
Q
- Which group of microorganisms is known for forming root nodules in logumes and fising nitrogca?
a. Clustrida
b. Rhizobia
c. Preudamonas
d. Mycoplasma
A
b. Rhizobia
5
Q
- The genus Rickeltea is primarily transmitted by
a. Airbome dropicts
b. Contammated wates
c. Anthropod vectors
d. Diroct contact
A
c. Anthropod vectors
6
Q
- Agrobacternem tumcfaciens is important in biotechoology because
a. It is used in wastcwater treatmant
b. It causes tuberculosis in anim als
c. It can transfer genes into plants
d. It produces anubiotics
A
c. It can transfer genes into plants
7
Q
- Which Bcta-protobacterium is known for its role in the sullia cycle by oxidizing bydrogen sulfide
(HS) to sulfate (SO/’)?
a. Nuahucillus
b. Legionella
c. Spunillum
d. Piradomonar
A
d. Piradomonar
8
Q
- Which of the following is a characteristic of Pseudumonas species?
a. They are obligate intracellular parasitol
b. They produce pigments and are opportuntstic pathogens
c. They lack a cell wall
d. They primanly infect plants
A
b. They produce pigments and are opportuntstic pathogens
9
Q
- Vibrio chaleras causes discase bo
a. Inhibiting oxygen transport in blood
b. Producing an exotoxin that induces severe diarrhea
c. Destroying red blood cells
d. Infecting the lungs
A
b. Producing an exotoxin that induces severe diarrhea
10
Q
- Helicobacter pydort is associated with which discase?
a. Tuberculosis
b. Gastric ulcers
c. Meningitis
d. Cholera
A
b. Gastric ulcers
