McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Agriculture (BSc agri) .
Chapters
| 1. |
According to Pasteur statements which one of the following is true |
| A. | Living organisms discriminate between stereoisomers |
| B. | Fermentation is a aerobic process |
| C. | Living organisms doesn’t discriminate between stereoisomers |
| D. | Both a and b |
| Answer» A. Living organisms discriminate between stereoisomers | |
| 2. |
“I found floating therin earthly particles, some green streaks, spirally wound serpent-wise, and orderly arranged, the whole circumstance of each of these streaks was abut the thickness of a hair on one’s head”…. These words are of |
| A. | Leeuwenhoek |
| B. | A. Jenner |
| C. | Pasteur |
| D. | Koch |
| Answer» A. Leeuwenhoek | |
| 3. |
The principle light- trapping pigment molecule in plants, Algae, and cyanobacteria is |
| A. | Chlorophyll a |
| B. | Chlorophyll b |
| C. | Porphyrin |
| D. | Rhodapsin |
| Answer» A. Chlorophyll a | |
| 4. |
During Bio Geo chemical cycle some amount of elemental carbon was utilized by the microorganisms. The phenomenon is called as |
| A. | Dissimilation |
| B. | Immobilization |
| C. | Decomposition |
| D. | Neutralization |
| Answer» B. Immobilization | |
| 5. |
Who demonstrated that open tubes of broth remained free of bacteria when air was free of dust. |
| A. | Abbc Spallanzani |
| B. | John Tyndall |
| C. | Francisco Redi |
| D. | Pasteur |
| Answer» B. John Tyndall | |
| 6. |
Reverse isolation would be appropriate for |
| A. | a patient with tuberculosis |
| B. | a patient who has had minor surgery |
| C. | a patient with glaucoma |
| D. | a patient with leukemia |
| Answer» A. a patient with tuberculosis | |
| 7. |
The symptome “ general feeling of illness and discomfort “ is called |
| A. | Cystiti |
| B. | Malaise |
| C. | Anaphylactic shoc |
| D. | Arthritis |
| Answer» B. Malaise | |
| 8. |
On soybean which of the following forms symbiotism |
| A. | Azatobactor paspali |
| B. | Rhizobium |
| C. | Nostoc |
| D. | Bradyrhizobium |
| Answer» D. Bradyrhizobium | |
| 9. |
Who provide the evidence that bacteriophage nucleic acid but not protein enters the host cell during infection |
| A. | Alfred D.Hershey & Leonard Tatum in 1951. |
| B. | Alfred D.Hershey & Zindar Lederberg in 1951. |
| C. | Alfred |
| D. | Hershey & Martha Chase in 1952. |
| Answer» C. Alfred | |
| 10. |
Spirulina belongs to |
| A. | Xanthophyceae |
| B. | Cyanophyceae |
| C. | Rhodophyceae |
| D. | Pheophyceae |
| Answer» B. Cyanophyceae | |
| 11. |
The first antibody to contact invading microorganisms was |
| A. | IgG |
| B. | IgM |
| C. | IgA |
| D. | IgD |
| Answer» B. IgM | |
| 12. |
The light emitted by luminescent bacteria is mediated by the enzyme |
| A. | Coenzyme Q |
| B. | Luciferase |
| C. | Lactose dehydrogenase |
| D. | Carboxylase reductase |
| Answer» C. Lactose dehydrogenase | |
| 13. |
Pick out the vector using in human Genome project |
| A. | Phagemid vector |
| B. | Yeast artificial chromosomes |
| C. | Cosmid vectors |
| D. | Yeast episomal plasmids |
| Answer» B. Yeast artificial chromosomes | |
| 14. |
Salt and sugar preserve foods because they |
| A. | Make them acid |
| B. | Produce a hypotonic environment |
| C. | Deplete nutrients |
| D. | Produce a hypertonic environment |
| Answer» D. Produce a hypertonic environment | |
| 15. |
In a fluorescent microscope the objective lens is made of |
| A. | Glas |
| B. | Quartz |
| C. | Polythene |
| D. | None of these |
| Answer» C. Polythene | |
| 16. |
Fixation of atmospheric nitrogen is by means of |
| A. | Biological proces |
| B. | Lightining |
| C. | Ultraviolet light |
| D. | All of the above |
| Answer» D. All of the above | |
| 17. |
Which one of the following fungi is the most serious threat in a bone marrow transplant unit? |
| A. | Candida albican |
| B. | Aspergillus |
| C. | Blastomyces |
| D. | Cryptococus |
| Answer» B. Aspergillus | |
| 18. |
Direct microscopic count can be done with the aid of |
| A. | Neuberg chamber |
| B. | Anaerobic chamber |
| C. | Mineral oil |
| D. | Olive oil |
| Answer» A. Neuberg chamber | |
| 19. |
The image obtained in a compound microscope is |
| A. | Real |
| B. | Virtual |
| C. | Real inverted |
| D. | Virtual inverted |
| Answer» B. Virtual | |
| 20. |
Enzymes respons ib le for a lcoho l ic fermentation |
| A. | Ketolase |
| B. | Zymase |
| C. | Peroxidase |
| D. | Oxidase |
| Answer» B. Zymase | |
| 21. |
Which type of spores are produced sexually? |
| A. | Conidia |
| B. | Sporangiospores |
| C. | Ascospores |
| D. | None of these |
| Answer» C. Ascospores | |
| 22. |
Bacterial transformation was discovered by |
| A. | Ederberg and Tatum |
| B. | Beadle and Tatum |
| C. | Griffith |
| D. | None of these |
| Answer» A. Ederberg and Tatum | |
| 23. |
Father of microbiology is |
| A. | Louis Pasteur |
| B. | Lister |
| C. | A.V. Leeuwenhock |
| D. | Robert Koch |
| Answer» C. A.V. Leeuwenhock | |
| 24. |
The antiseptic method was first demonstrated by |
| A. | Lwanowski |
| B. | Lord Lister |
| C. | Edward Jenner |
| D. | Beijerinck |
| Answer» B. Lord Lister | |
| 25. |
Small pox vaccine was first discovered by |
| A. | Robert Koch |
| B. | Louis Pasteur |
| C. | Lister |
| D. | Edward Jenner |
| Answer» D. Edward Jenner | |
| 26. |
The term mutation was coined by |
| A. | Pasteur |
| B. | Darwin |
| C. | Hugo devries |
| D. | Lamark |
| Answer» C. Hugo devries | |
| 27. |
Compound microscope was discovered by |
| A. | Antony von |
| B. | Pasteur |
| C. | Johnsen & Hans |
| D. | None of these |
| Answer» C. Johnsen & Hans | |
| 28. |
Father of Medical Microbiology is |
| A. | Pasteur |
| B. | Jenner |
| C. | Koch |
| D. | A.L.Hock |
| Answer» C. Koch | |
| 29. |
Disease that affects many people at different countries is termed as |
| A. | Sporadic |
| B. | Pandemic |
| C. | Epidemic |
| D. | Endemic |
| Answer» B. Pandemic | |
| 30. |
Prophylaxis of cholera is |
| A. | Protected water supply |
| B. | Environmental sanitation |
| C. | Immunization with killed vaccines |
| D. | All of these |
| Answer» B. Environmental sanitation | |
| 31. |
In electron microscope, what material is used as an objective lense? |
| A. | Magnetic coils |
| B. | Superfine glass |
| C. | Aluminium foils |
| D. | Electrons |
| Answer» A. Magnetic coils | |
| 32. |
The main feature of prokaryotic organism is |
| A. | Absence of locomotion |
| B. | Absence of nuclear envelope |
| C. | Absence of nuclear material |
| D. | Absence of protein synthesis |
| Answer» B. Absence of nuclear envelope | |
| 33. |
The stalked particles on the cristae of mitochondria are called |
| A. | Glyoxysome |
| B. | Peroxisomes |
| C. | Oxysomes |
| D. | Spherosomes |
| Answer» B. Peroxisomes | |
| 34. |
Antiseptic methods were first introduced by |
| A. | Lord Lister |
| B. | Iwanowski |
| C. | Beijernick |
| D. | Edward Jenner |
| Answer» A. Lord Lister | |
| 35. |
Kuru disease in Humans is caused by |
| A. | Bacteria |
| B. | Viroides |
| C. | Prions |
| D. | Mycoplasma |
| Answer» C. Prions | |
| 36. |
A mutation that produces termination codon is |
| A. | Mis-sense mutation |
| B. | Neutral mutation |
| C. | Non-sense mutation |
| D. | Reverse mutation |
| Answer» C. Non-sense mutation | |
| 37. |
During conjunction the genetic material will be transferred through |
| A. | Cell wall |
| B. | Medium |
| C. | Pili |
| D. | Capsule |
| Answer» C. Pili | |
| 38. |
Antiseptic surgery was discovered by |
| A. | Joseph Lister |
| B. | Ernest Abbe |
| C. | Pasteur |
| D. | Beijerink |
| Answer» A. Joseph Lister | |
| 39. |
Tuberculosis is a |
| A. | Water borne disease |
| B. | Air borne disease |
| C. | Food borne disease |
| D. | Atthropod borne disease |
| Answer» B. Air borne disease | |
| 40. |
Phagocytic phenomenon was discovered by |
| A. | Louis Pasteur |
| B. | Alexander Fleming |
| C. | Metchnikof |
| D. | Robert Koch |
| Answer» C. Metchnikof | |
| 41. |
Meosomes are also known as |
| A. | Mitochondria |
| B. | Endoplasmic reticulum |
| C. | Plasmids |
| D. | Chondroids |
| Answer» D. Chondroids | |
| 42. |
Hybridoma technique was first discovered by. |
| A. | Kohler and Milstein |
| B. | Robert Koch |
| C. | ‘D’ Herelle |
| D. | Land Steiner |
| Answer» A. Kohler and Milstein | |
| 43. |
The m in imum number of bacter ia required to produce clinical evidence of death in a susceptible animal under standard condition is called |
| A. | LD50 |
| B. | ID |
| C. | MLD |
| D. | All of these |
| Answer» C. MLD | |
| 44. |
In Electron Microscope source of electrons is from |
| A. | Mercury lamp |
| B. | Tungsten metal |
| C. | both a and b |
| D. | None of these |
| Answer» B. Tungsten metal | |
| 45. |
Griffith (1928) reported the phenomenon of transformation first in |
| A. | H. influenzae |
| B. | Bacillus species |
| C. | Pneumococci |
| D. | E.coli |
| Answer» C. Pneumococci | |
| 46. |
The resolution power of the compound microscope is |
| A. | 0.2 micron |
| B. | 0.2 millimeter |
| C. | 0.2 Angstrom units |
| D. | 0.2 centimeter |
| Answer» A. 0.2 micron | |
| 47. |
The capacity of a given strain of microbial species to produce disease is known as |
| A. | Pathogen |
| B. | Virulence |
| C. | Infection |
| D. | None of these |
| Answer» B. Virulence | |
| 48. |
Monoclonal antibodies are associated with the name of |
| A. | Burnet |
| B. | Medwar |
| C. | Milstein kohler |
| D. | Owen |
| Answer» A. Burnet | |
| 49. |
Lederberg and Tatum (1946) described the phenomena of |
| A. | Conjunction |
| B. | Transformation |
| C. | Mutation |
| D. | Plasmids |
| Answer» A. Conjunction | |
| 50. |
Hanging drop method for motility study was first introduced by |
| A. | Robert Koch |
| B. | Louis Pasteur |
| C. | Jenner |
| D. | Leeuwenhock |
| Answer» D. Leeuwenhock | |
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