Normal Flora And Major Pathogens(Microbiology ) Questions and answers for exam Preparation

Question 1. Most common example of 'spirochetes' are

Treponema
Borrelia
Mycobacterium leprae
Mycolasma

Explanation:-

Answer: Option A. -> Treponema
Answer: (a).Treponema

Question 2. Habitat for 'Actinomycetes israelii' is

Anal canal
Genital tract
Oral cavity
Skin

Explanation:-

Answer: Option C. -> Oral cavity
Answer: (c).Oral cavity

Question 3. Mycoplasma' are free living and small organisms, having size approximately

0.5 µm
0.4 µm
0.3 µm
0.2 µm

Explanation:-

Answer: Option C. -> 0.3 µm
Answer: (c).0.3 µm

Question 4. Causative agent for Human 'granulocytic ehrlichiosis' is

E. chaffeensis
Ehrlichia equi
Citrobacter
E.Coli

Explanation:-

Answer: Option B. -> Ehrlichia equi
Answer: (b).Ehrlichia equi

Question 5. 'Mycoplasma' form colonies that resemble in shape with

Fungi
Fried egg
Bread
Cream

Explanation:-

Answer: Option B. -> Fried egg
Answer: (b).Fried egg

Question 6. Main site for 'S. aureus' colonization is

Skin
Nose
Mucous
Eye

Explanation:-

Answer: Option B. -> Nose
Answer: (b).Nose

Question 7. Staphylococcus aureus' and 'Streptococcus pyogenes' are two medically important genera of gram positive cocci, known as

Fermenter
Human pathogens
Rods
Spirochete

Explanation:-

Answer: Option B. -> Human pathogens
Answer: (b).Human pathogens

Question 8. Which symbol is used in unknown causative agent ?

P
R
Q
S

Explanation:-

Answer: Option C. -> Q
Answer: (c).Q

Question 9. Human diseases acquired by animals are known as

Infections
Syndrome
Zoonosis
Disorders

Explanation:-

Answer: Option C. -> Zoonosis
Answer: (c).Zoonosis

Question 10. A large loosely coiled 'spirochete' that causes lymph disease is known as

B. burgdorferi
B. recurrentis
T. pallidum
L. interrogans

Explanation:-

Answer: Option A. -> B. burgdorferi
Answer: (a).B. burgdorferi