MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
According to Bergey’s Manual of Systematic Bacteriology, prokaryotes that lack a cell wall belong to the group? |
| A. | Gracilicutes |
| B. | Firmicutes |
| C. | Tenericutes |
| D. | Mendosicutes |
| Answer» D. Mendosicutes | |
| 2. |
Which among the following kingdoms were proposed by Whittaker? |
| A. | Monera |
| B. | Protista, Fungi |
| C. | Plantae, Animalia |
| D. | Monera,Protista,Fungi,Plantae,Animalia |
| Answer» E. | |
| 3. |
WHICH_AMONG_THE_FOLLOWING_KINGDOMS_WERE_PROPOSED_BY_WHITTAKER??$ |
| A. | Monera |
| B. | Protista,Fungi |
| C. | Plantae,Animalia |
| D. | Monera,Protista,Fungi,Plantae,Animalia |
| Answer» E. | |
| 4. |
According_to_Bergey’s_Manual_of_Systematic_Bacteriology,_prokaryotes_that_lack_a_cell_wall_belong_to_the_group?$# |
| A. | Gracilicutes |
| B. | Firmicutes |
| C. | Tenericutes |
| D. | Mendosicutes |
| Answer» D. Mendosicutes | |
| 5. |
Which among the following come under Gram-positive eubacteria? |
| A. | Clostridium |
| B. | Actinomyces |
| C. | Rhizobium |
| D. | Clostridium,Actinomyces |
| Answer» E. | |
| 6. |
Which of the following are characteristics of archaebacterial different from eubacteria? |
| A. | methane-producers |
| B. | extreme halophiles |
| C. | thermoacidophiles |
| D. | methane-producers,extreme halophiles,and thermoacidophiles |
| Answer» E. | |
| 7. |
If two organisms are distantly related and show no DNA homology there still may be similarity in their rRNA cistrons. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
What are ribosomes composed of? |
| A. | Proteins |
| B. | DNA |
| C. | RNA |
| D. | Proteins and RNA |
| Answer» E. | |
| 9. |
Two organisms which are very closely related to each other have which of the following property? |
| A. | similar mol% G+C values |
| B. | different mol% G+C values |
| C. | similar mol% G+C values and heteroduplexes are formed. |
| D. | different mol% G+C values and heteroduplexes are not formed. |
| Answer» D. different mol% G+C values and heteroduplexes are not formed. | |
| 10. |
% Similarity (%S) of each strain to every other strain is calculated by which method? |
| A. | Intuitive Method |
| B. | Numerical Taxonomy |
| C. | Genetic Relatedness |
| D. | DNA homology experiments |
| Answer» C. Genetic Relatedness | |
| 11. |
The correct order of taxonomic groups from higher to lower rank is? |
| A. | Kingdom—Order—Class—Family |
| B. | Order—Class—Division—Family—Genus—Species |
| C. | Kingdom—Order—Division—Family—Class—Genus—Species |
| D. | Kingdom—Division—Class—Order—Family—Genus—Species |
| Answer» E. | |
| 12. |
Type strain is used for referring to? |
| A. | species |
| B. | genus |
| C. | family |
| D. | division |
| Answer» B. genus | |