MCQOPTIONS
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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.
| 1. |
Salmonella causes |
| A. | tetanus |
| B. | T.B. |
| C. | polio |
| D. | typhoid |
| Answer» E. | |
| 2. |
Our body synthesizes interferons in response to |
| A. | fungi |
| B. | bacteria |
| C. | virus |
| D. | mycoplasma |
| Answer» D. mycoplasma | |
| 3. |
Clostridium botulinum is a |
| A. | facultative aerobe |
| B. | obligate anaerobe |
| C. | facultative anaerobe |
| D. | obligate aerobe |
| Answer» C. facultative anaerobe | |
| 4. |
Which of the following gets killed by lysozyme present in saliva and tears? |
| A. | some of the fungi |
| B. | virus-infected cells |
| C. | all viruses |
| D. | some of the bacteria |
| Answer» E. | |
| 5. |
Infectious protein is a characteristic of |
| A. | satellite viruses |
| B. | viroids |
| C. | prions |
| D. | gemini viruses |
| Answer» D. gemini viruses | |
| 6. |
The motile zygote of Plasmodium is found in |
| A. | human liver |
| B. | human RBCs |
| C. | salivary glands of female Anopheles |
| D. | the gut of female Anopheles |
| Answer» E. | |
| 7. |
The trophozoite of Entamoeba histolytica feed on |
| A. | only mucosa and submucosa of the colon |
| B. | erythrocytes, mucosa and submucosa of the colon |
| C. | only blood |
| D. | intestinal food |
| Answer» C. only blood | |
| 8. |
Human immunodeficiency virus first destroys these cells |
| A. | |
| B. | B. |
| C. | C. |
| D. | D. |
| Answer» E. | |
| 9. |
Viruses are not regarded as living things because they cannot |
| A. | survive |
| B. | reproduce |
| C. | attack host cell |
| D. | invade |
| Answer» C. attack host cell | |
| 10. |
Bacterial diseases includes |
| A. | diphtheria |
| B. | SARS |
| C. | small pox |
| D. | dengue fever |
| Answer» B. SARS | |
| 11. |
Female anopheles mosquito spread |
| A. | Malaria |
| B. | Dengue |
| C. | Polio |
| D. | Rubella |
| Answer» B. Dengue | |
| 12. |
A fungus which is used to make antibiotic is called |
| A. | mould |
| B. | yeast |
| C. | penicillium |
| D. | hyphae |
| Answer» D. hyphae | |
| 13. |
Polio can lead to |
| A. | paralysis |
| B. | nervous system distracted |
| C. | both a and b |
| D. | eye diseases |
| Answer» D. eye diseases | |
| 14. |
The outer layer of human skin is composed of |
| A. | mucus |
| B. | collenchymas cells |
| C. | dead cells |
| D. | transporting cells |
| Answer» D. transporting cells | |
| 15. |
Penicillium is used to treat infections which are |
| A. | viral |
| B. | bacterial |
| C. | fungal |
| D. | yeast |
| Answer» C. fungal | |
| 16. |
Fungal infections in plants includes |
| A. | rust |
| B. | mildew |
| C. | blight |
| D. | all of them |
| Answer» E. | |
| 17. |
Germs on floor and non-living things are destroyed by |
| A. | antiseptic |
| B. | disinfectants |
| C. | both a and b |
| D. | antibiotics |
| Answer» C. both a and b | |
| 18. |
An infection which is characterized by ringed shaped itchy and scaly patches on skin is called |
| A. | ringworm |
| B. | leprosy |
| C. | mildew |
| D. | rust |
| Answer» B. leprosy | |
| 19. |
Permanent damage to skin, nerves, limbs and eyes if they are left untreated occurs in |
| A. | leprosy |
| B. | typhoid |
| C. | cholera |
| D. | rubella |
| Answer» B. typhoid | |
| 20. |
The first antibiotic which was discovered by |
| A. | Alexander Fleming |
| B. | Lewis |
| C. | Thomson |
| D. | Lois Pasteur |
| Answer» B. Lewis | |
| 21. |
Anti-microbial compounds includes |
| A. | antiseptic |
| B. | disinfectants |
| C. | both a and b |
| D. | antibiotics |
| Answer» D. antibiotics | |
| 22. |
The important decomposers include |
| A. | bacteria |
| B. | fungi |
| C. | both a and b |
| D. | virus |
| Answer» D. virus | |
| 23. |
A bacterial cell lacks |
| A. | flagella |
| B. | chromosome |
| C. | cell wall |
| D. | nucleus |
| Answer» E. | |
| 24. |
The enzymes which digest the outer layer of bacteria are called |
| A. | lysosomes |
| B. | chromosomes |
| C. | ribosome |
| D. | Golgi bodies |
| Answer» B. chromosomes | |
| 25. |
Unicellular microscopic fungi are |
| A. | yeast |
| B. | mould |
| C. | toadstool |
| D. | penicillium |
| Answer» B. mould | |
| 26. |
The deadly disease which is caused by a parasitic micro-organism called plasmodium is |
| A. | Malaria |
| B. | Dengue |
| C. | Polio |
| D. | Rubella |
| Answer» B. Dengue | |
| 27. |
Proteins which defend body are called |
| A. | antigens |
| B. | antibodies |
| C. | disinfectant |
| D. | antiseptics |
| Answer» C. disinfectant | |
| 28. |
The introduction of dead or weak germs in to body orally or by injection to train body to fight the real germs on attack is called |
| A. | vaccination |
| B. | immunization |
| C. | both a and b |
| D. | infecting |
| Answer» D. infecting | |
| 29. |
A medicine which is used to treat or cure bacterial diseases by killing or stopping their growth of bacteria is called |
| A. | antibody |
| B. | antigen |
| C. | antibiotics |
| D. | antiseptics |
| Answer» D. antiseptics | |
| 30. |
To fight against diseases human beings have special |
| A. | natural barriers |
| B. | immune system |
| C. | both a and b |
| D. | antibiotics |
| Answer» D. antibiotics | |
| 31. |
Ability to eat away germ is specialty of |
| A. | red blood cell |
| B. | white blood cell |
| C. | liver |
| D. | plasma |
| Answer» C. liver | |
| 32. |
The thread like structure which helps bacteria to move is called |
| A. | flagella |
| B. | chromosome |
| C. | cell wall |
| D. | nucleus |
| Answer» B. chromosome | |
| 33. |
The vectors which conduct germs includes |
| A. | fleas |
| B. | tick |
| C. | lice |
| D. | all of them |
| Answer» E. | |
| 34. |
Germs spread in the form of |
| A. | clusters |
| B. | droplets |
| C. | gases |
| D. | air |
| Answer» C. gases | |
| 35. |
The bacteria which have ability t o convert milk sugar in to lactic acid is called |
| A. | lactobacillus |
| B. | streptococcus |
| C. | gram positive bacteria |
| D. | gram negative bacteria |
| Answer» B. streptococcus | |
| 36. |
AIDS, poliomyelitis, rabies, rubella are all |
| A. | viral |
| B. | bacterial |
| C. | fungal |
| D. | yeast |
| Answer» B. bacterial | |
| 37. |
The cell wall of yeast is made up of |
| A. | chitin |
| B. | cellulose |
| C. | water |
| D. | salts |
| Answer» B. cellulose | |
| 38. |
Sweat, saliva, tears and mucus have |
| A. | lysosomes |
| B. | chromosomes |
| C. | ribosome |
| D. | Golgi bodies |
| Answer» B. chromosomes | |
| 39. |
The examples of microscopic organisms are |
| A. | bacteria |
| B. | micro-scopic fungi |
| C. | both a and b |
| D. | virus |
| Answer» D. virus | |
| 40. |
Most of bacteria in food is killed in stomach by |
| A. | HCl |
| B. | NaCl |
| C. | HNO |
| D. | H2O |
| Answer» B. NaCl | |
| 41. |
Flu, cold and HIV are caused due to presence of |
| A. | bacteria |
| B. | virus |
| C. | yeast |
| D. | fungi |
| Answer» C. yeast | |
| 42. |
The human skin is tough and water proof and germs cannot |
| A. | penetrate through |
| B. | stay on it |
| C. | reproduce |
| D. | enter from cut |
| Answer» B. stay on it | |
| 43. |
Germs on living things can be killed by using |
| A. | antiseptic |
| B. | disinfectants |
| C. | antibiotics |
| D. | both a and b |
| Answer» B. disinfectants | |
| 44. |
The agents which are responsible to cause infection by micro-organisms are called |
| A. | pathogens |
| B. | DNA |
| C. | antibody |
| D. | antigen |
| Answer» B. DNA | |
| 45. |
Baker's yeast produce gas which helps in rising of dough it is |
| A. | oxygen |
| B. | hydrogen |
| C. | carbon dioxide |
| D. | nitrogen |
| Answer» D. nitrogen | |
| 46. |
Prevention is better than |
| A. | treatment |
| B. | cure |
| C. | medicine |
| D. | exercise |
| Answer» C. medicine | |
| 47. |
Systems which open to external environment are protected from bacteria by presence of |
| A. | mucus membranes |
| B. | HCl |
| C. | hairs |
| D. | plug |
| Answer» B. HCl | |
| 48. |
Germs may enter the body via |
| A. | mouth |
| B. | skin |
| C. | eyes |
| D. | all of them |
| Answer» E. | |
| 49. |
Contaminated water may lead to |
| A. | dysentery |
| B. | food poisoning |
| C. | flu |
| D. | common cold |
| Answer» B. food poisoning | |
| 50. |
Mushrooms, yeasts, moulds and toadstools are examples of |
| A. | bacteria |
| B. | virus |
| C. | fungi |
| D. | algae |
| Answer» D. algae | |