

MCQOPTIONS
This section includes 76 Mcqs, each offering curated multiple-choice questions to sharpen your Microorganisms and Disease knowledge and support exam preparation. Choose a topic below to get started.
51. |
Living things which are too small to be seen with a naked eye are called |
A. | micro-organisms |
B. | unicellular organisms |
C. | multicellular organisms |
D. | complex organisms |
Answer» B. unicellular organisms | |
52. |
Bacteria can exists in shapes which are |
A. | spherical |
B. | rod |
C. | spiral |
D. | all of them |
Answer» E. | |
53. |
Transfusion of infected blood is main reason for spread of diseases like |
A. | AIDS |
B. | Hepatitis B |
C. | both a and b |
D. | Polio |
Answer» D. Polio | |
54. |
The use of organisms specially micro-organisms in the manufacture or industrial processes is called |
A. | biotechnology |
B. | bioengineering |
C. | chemical process |
D. | genetic engineering |
Answer» B. bioengineering | |
55. |
Viruses are made up of |
A. | DNA |
B. | RNA |
C. | protein coat |
D. | all of them |
Answer» E. | |
56. |
Microorganisms are |
A. | Unicellular |
B. | Multi-cellular |
C. | Both |
D. | None of these |
Answer» C. Both | |
57. |
Penicillium is a |
A. | Algae |
B. | Fungus |
C. | Bacteria |
D. | Yeast |
Answer» C. Bacteria | |
58. |
Rhizobium becteria |
A. | Help in digestion |
B. | Help in nitrogen fixation |
C. | Cause diseases |
D. | All of the above |
Answer» C. Cause diseases | |
59. |
Which of the following pathogens causes cholera in humans? |
A. | Fungi |
B. | Bacteria |
C. | Virus |
D. | Protozoan |
Answer» C. Virus | |
60. |
Which of the following pathogens causes Leprosy in humans? |
A. | Salmonella |
B. | Mycobacterium |
C. | TMV |
D. | Monocystis |
Answer» C. TMV | |
61. |
Widal test is used for the susceptibility of ________. |
A. | Typhoid |
B. | Cholera |
C. | Malaria |
D. | Cholera |
Answer» B. Cholera | |
62. |
Which of the following is the symptom of Diphtheria? |
A. | Bleeding gum |
B. | Hydrophobia |
C. | Suffocation |
D. | Excessive watering |
Answer» D. Excessive watering | |
63. |
Which of the following pathogens causes Tuberculosis _________. |
A. | Virus |
B. | Bacterium |
C. | Protozoan |
D. | Malnutrition |
Answer» C. Protozoan | |
64. |
Scientist who discovered fermentation is |
A. | Alexander Fleming |
B. | Louis Pasteur |
C. | John Mendal |
D. | Edward Jenner |
Answer» C. John Mendal | |
65. |
Amoeba belongs to |
A. | Algae |
B. | Fungi |
C. | Protozoa |
D. | Virus |
Answer» D. Virus | |
66. |
Mushroom belongs to |
A. | Algae |
B. | Virus |
C. | Fungi |
D. | None of these |
Answer» D. None of these | |
67. |
Amount of nitrogen in the atmosohere is |
A. | 58% |
B. | 68% |
C. | 78% |
D. | 88% |
Answer» D. 88% | |
68. |
Spyrogyra is |
A. | An algae |
B. | A fungi |
C. | A protozoa |
D. | A bacteria |
Answer» C. A protozoa | |
69. |
Vaccine for small pox is discorvered by |
A. | Louis Pasteur |
B. | Alexander Fleming |
C. | Edward Jenner |
D. | John Mendal |
Answer» D. John Mendal | |
70. |
Syphilis , a sexually transmitted disease is caused by ________. |
A. | Vibrio |
B. | Leptospira |
C. | Treponema pallidum |
D. | Pasteurella |
Answer» D. Pasteurella | |
71. |
In Ayurveda, the __________disease is called as Vishuchika ? |
A. | Chickenpox |
B. | Smallpox |
C. | Cholera |
D. | Diphtheria |
Answer» D. Diphtheria | |
72. |
Vibrio cholerae is a motile bacteria, which belong to the group of _______. |
A. | Lophotrichous |
B. | Peritrichous |
C. | Monotrichous |
D. | Amphitrichous |
Answer» D. Amphitrichous | |
73. |
Which of the following is a set of bacterial diseases? |
A. | Malaria, poliomyelitis, mumps |
B. | Mumps, cholera, typhoid |
C. | Plague, Leprosy, Diphtheria |
D. | Measles, Tuberculosis, Tetanus |
Answer» D. Measles, Tuberculosis, Tetanus | |
74. |
Diseases caused due to the inflammation of the vermiform appendix of the digestive system is known as ________. |
A. | Appendectomy |
B. | Appendicitis |
C. | Intestinal cancer |
D. | Amoebic dysentery |
Answer» C. Intestinal cancer | |
75. |
This disease is caused by a protozoan |
A. | Influenza |
B. | Syphilis |
C. | Blastomycosis |
D. | Babesiosis |
Answer» E. | |
76. |
Which of the following pairs of diseases is caused by bacteria? |
A. | Herpes and influenza |
B. | Tetanus and mumps |
C. | Typhoid and smallpox |
D. | Cholera and tetanus |
Answer» E. | |