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. |
Which virus was first observed? |
| A. | Hepatitis Virus |
| B. | TMV |
| C. | Cauliflower mossaic virus |
| D. | None of these |
| Answer» B. TMV | |
| 2. |
The most important energy-yielding reaction for an aerobic organism is |
| A. | Glycosi |
| B. | EMP |
| C. | KDPG |
| D. | Both b and c |
| Answer» D. Both b and c | |
| 3. |
A disease that can be transmitted by an infectious agent from one individual to another was called |
| A. | Epidemic |
| B. | Pandemic |
| C. | Communicable |
| D. | Comma |
| Answer» C. Communicable | |
| 4. |
Cell cycle regulated by |
| A. | Cyclin |
| B. | Cdks |
| C. | Cyclins and Cd ks |
| D. | None of these |
| Answer» C. Cyclins and Cd ks | |
| 5. |
The prote inaceous compound are converted to ammonia by |
| A. | Putrification bacteria |
| B. | Ammonifiaction bacteria |
| C. | Nitrification bacteria |
| D. | Denitrifying bacteria |
| Answer» B. Ammonifiaction bacteria | |
| 6. |
A cell becomes flaccid when placed in a |
| A. | Isotonic solution |
| B. | Hypertonic solution |
| C. | Hypotonic solution |
| D. | Normal solution |
| Answer» B. Hypertonic solution | |
| 7. |
A mutation causing a substitution of one amino acid is called |
| A. | Point mutation |
| B. | Silent mutation |
| C. | Missence mutation |
| D. | None of these |
| Answer» C. Missence mutation | |
| 8. |
The formation spindle fibres in the process of cell division is prevented by |
| A. | Corchicine |
| B. | ATP |
| C. | Hydrazine |
| D. | All of these |
| Answer» C. Hydrazine | |
| 9. |
Important class of respiratory enzymes: |
| A. | NAD |
| B. | Cytochromes |
| C. | ATPase |
| D. | Hydrolases |
| Answer» B. Cytochromes | |
| 10. |
The primary mode of transmission of poliomyelitis virus: |
| A. | Flie |
| B. | Milk |
| C. | Person to person |
| D. | Food and water |
| Answer» D. Food and water | |
| 11. |
Genetic constitution of the cell is |
| A. | Phenotype |
| B. | Genotype |
| C. | Cryptotype |
| D. | Histotype |
| Answer» B. Genotype | |
| 12. |
The primary mode of transmission of poliomyelitis is |
| A. | Oral route |
| B. | Blood |
| C. | Milk |
| D. | Person to person |
| Answer» C. Milk | |
| 13. |
Cerebral malaria is caused by |
| A. | Plasmodium vivox |
| B. | P.ovale |
| C. | P.falsiparum |
| D. | P.malaria |
| Answer» C. P.falsiparum | |
| 14. |
Ergot disease is caused by |
| A. | Puccinia |
| B. | Rhizopus |
| C. | Claveceps |
| D. | Penicillium |
| Answer» C. Claveceps | |
| 15. |
Most bacteria require vitamins as |
| A. | Growth Factors |
| B. | Sources of energy |
| C. | Sources of carbon |
| D. | Sources of electron donars |
| Answer» A. Growth Factors | |
| 16. |
Which of these is a trace element for bacteria? |
| A. | Mg+2 |
| B. | Na+ |
| C. | Ca+2 |
| D. | Mn+2 |
| Answer» B. Na+ | |
| 17. |
Virulent factor in pneumococcus is |
| A. | Cell wall |
| B. | Capsule |
| C. | Mesosomes |
| D. | Emdotoxins |
| Answer» D. Emdotoxins | |
| 18. |
The Bacter ia move in response to magnetic field is |
| A. | Spirochets |
| B. | Treponema |
| C. | Aquaspirillum Magnetotacticum |
| D. | None of these |
| Answer» C. Aquaspirillum Magnetotacticum | |
| 19. |
Nagler reaction detects |
| A. | Corynebacterium diphtheriae |
| B. | Clostridium tetani |
| C. | Clostridium perfringens |
| D. | Clostridium botulinum |
| Answer» C. Clostridium perfringens | |
| 20. |
The following organisms lack definite cell wall |
| A. | Mycoplasma |
| B. | L-forms |
| C. | Both a and b |
| D. | Bacteria |
| Answer» C. Both a and b | |
| 21. |
The following disease are caused by Mycoplasma except |
| A. | Pneumonia in human beings |
| B. | Little leaf of Brinjal |
| C. | Dwarf disease of Mulbery |
| D. | Citrus canker |
| Answer» D. Citrus canker | |
| 22. |
Mycotoxins are produced by |
| A. | Bacteria |
| B. | Fungi |
| C. | Algae |
| D. | Protozoans |
| Answer» B. Fungi | |
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