Approximately _____ species of bacteria are known to cause diseases in humans.

Related Mcqs:

1. An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called?

   A. Biome
   B. Phyletic lineage
   C. Community
   D. Population

2. The liquid that escapes during defrosting frozen meat contains _____ bacteria?

   A. Campylobacter
   B. Nitrobacter
   C. Azobacter
   D. Salmonella

3. The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by ?

   A. Molecular biologists
   B. Microbiologists
   C. Freshwater biologists
   D. Social biologist

4. The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by________?

   A. Molecular biologists
   B. Microbiologists
   C. Freshwater biologists
   D. Social biologist

5. Which of the following statement is incorrect regarding germ theory of diseases postulated by Robert Koch_____________?

   A. A specific organism can always be found in association with a given disease
   B. The organism can be isolated and grown in pure culture in the laboratories
   C. The pure culture cannot produce the disease when inoculated into susceptible animal however the causative organism isolated from pure culture can do so.
   D. It is possible to recover the organism in pure culture from the experimentally infected animals

6. E. coli and example of entrobacteriace is important for causing diarrheal diseases its size is____________?

   A. 0.1-600 um
   B. 100-200 nm
   C. 1.1-1.5 um (width) 2.0-6.0 um (length)
   D. 0.75-1.25 um

7. ‘Mastectomy’ is mainly associated with which of these diseases?

   A. AIDS
   B. Breast Cancer
   C. Tuberculosis
   D. Blood Cancer

   Submitted by: Muhammad Zahid Javaid

8. Insects responsible for transmitting diseases are called___________?

   A. Drones
   B. Vectors
   C. Hybirds
   D. None of these

   Submitted by: Farhan Rana

9. Which of the following diseases induce immunity?

   A. Smallpox
   B. Jaundice
   C. Diabetes
   D. None of these

   Submitted by: Name

10. The number of species of organisms currently known to science is?

    A. 3500000
    B. 35000
    C. 2500000
    D. 25000000