Purple non-sulphur bacteria is an example of___________?

Related Mcqs:

1. Nitrifying bacteria are the examples of___________?

   A. Hetrotrophic bacteria
   B. Chemosynthetic bacteria
   C. Saprophytic bacteria
   D. Parasitic bacteria

2. A Vegetable containing sulphur is____________?

   A. Potato

   B. Cabbage

   C. Brinjal
   D. Pumpkin

   Submitted by: ZAHID LAKHO

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

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

4. The word Archaeobacteria (a division of bacteria) derived from Greek means___________?

   A. True bacteria
   B. False bacteria
   C. Recent bacteria
   D. Ancient bacteria

5. Who coined the term Animalcules for microorganisms like Bacteria and protozoa______________?

   A. Robert Koch
   B. Louis Pasteur
   C. Alexander Fleming
   D. Leeuwenhoek

6. Which of the following bacteria are thick rigid and spiral______________?

   A. Vibrio
   B. Spirillum
   C. Spirochete
   D. Coccus

7. The common waste material in bacteria is____________?

   A. Glycogen
   B. Lactic acid
   C. Ammonia
   D. Urea

8. Which of the following structure primarily helps in attachment of bacteria on various surfaces____________?

   A. Flagella
   B. Pili
   C. Both of these
   D. None of these

9. Ingestion of bacteria by certain type of cells is termed as ________ ?

   A. Acclimatization
   B. Agglutination
   C. Paralysis
   D. Phagocytosis

   Submitted by: Rashid Mehmood

10. Bacteria protect themselves from viruses by fragmenting viral DNA with ____________?

    A. Ligase
    B. Endonuclease
    C. Exonuclease
    D. Gyrase

    Submitted by: Maria Aziz