MCQOPTIONS
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MCQOPTIONS
This section includes 275 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
AIDS virus contain |
| A. | Single stranded RNA |
| B. | Double stranded RNA |
| C. | Single stranded DNA |
| D. | Double stranded DNA |
| Answer» B. Double stranded RNA | |
| 2. |
The disease AIDS is caused by |
| A. | Bacteria |
| B. | Fungi |
| C. | Virus |
| D. | Protozoan |
| Answer» D. Protozoan | |
| 3. |
HIV is related to |
| A. | Cancer |
| B. | Plague |
| C. | Hepetities |
| D. | AIDS |
| Answer» E. | |
| 4. |
"Nonliving character of Virus is |
| A. | It can be crystalized for many year |
| B. | It grow in living cell |
| C. | It show mutation |
| D. | None of these |
| Answer» B. It grow in living cell | |
| 5. |
Tuberculosis is caused by |
| A. | Virus |
| B. | Bacteria |
| C. | Protozoa |
| D. | Fungi |
| Answer» C. Protozoa | |
| 6. |
Disease caused by HIV |
| A. | Tuberculosis |
| B. | Cancer |
| C. | Acquired immun deficiency syndrome |
| D. | None of these |
| Answer» D. None of these | |
| 7. |
A phase that invades but does not destroy the lost is known as |
| A. | Phycophages |
| B. | Virulent phase |
| C. | Sex duction |
| D. | Temperate phase |
| Answer» E. | |
| 8. |
Virus multiply themselves in |
| A. | Dead cell |
| B. | Living cell |
| C. | In water |
| D. | In t he solution of suger |
| Answer» C. In water | |
| 9. |
HIV Virus destroy |
| A. | RBC |
| B. | T-4 Lymphosytes |
| C. | Neuron |
| D. | None of these |
| Answer» D. None of these | |
| 10. |
Mosaic disease of tobaco is caused due to |
| A. | Virus |
| B. | Bacteria |
| C. | Fungi |
| D. | Algae |
| Answer» B. Bacteria | |
| 11. |
Infectious disease small pox is caused due to |
| A. | Virus |
| B. | Bacteria |
| C. | Fungi |
| D. | Algae |
| Answer» B. Bacteria | |
| 12. |
The bacteria which convert nitrites to nitrates is |
| A. | Nitrosococcus |
| B. | Nitrosomonas |
| C. | Nitrobacter |
| D. | Azotobacter |
| Answer» D. Azotobacter | |
| 13. |
Anthrax is caused by |
| A. | Virus |
| B. | Bacteria |
| C. | Mycoplasm |
| D. | Algae |
| Answer» C. Mycoplasm | |
| 14. |
Microorganisms are seen only with |
| A. | Open eye |
| B. | Naked eye |
| C. | Microscope |
| D. | None of these |
| Answer» D. None of these | |
| 15. |
Foot and mouth disease in animal is caused by |
| A. | Bacteria |
| B. | Virus |
| C. | Fungi |
| D. | Algae |
| Answer» C. Fungi | |
| 16. |
The disease AIDS spread |
| A. | By insects |
| B. | By breathing |
| C. | By sexual contact |
| D. | None of these |
| Answer» D. None of these | |
| 17. |
Which is the cause of Anthex disease? |
| A. | Virus |
| B. | Bacteria |
| C. | Mycoplasm |
| D. | Algae |
| Answer» C. Mycoplasm | |
| 18. |
Which one of following disease is caused by virus? |
| A. | Small pox |
| B. | Tuberculosis |
| C. | Malaria |
| D. | Cholera |
| Answer» B. Tuberculosis | |
| 19. |
Generally antibiotics are formed from |
| A. | Fungi |
| B. | Virus |
| C. | Bacteria |
| D. | Angiosperm |
| Answer» D. Angiosperm | |
| 20. |
Archae bacteria are |
| A. | Earliest known organisms |
| B. | All halophytes |
| C. | All chemotrophs |
| D. | All fossils ferms |
| Answer» B. All halophytes | |
| 21. |
Bacteria which commonly lives in the intestine of human |
| A. | Vibrio choleral |
| B. | Bacillius anthracis |
| C. | Corynebacterium |
| D. | Escherichia coli |
| Answer» E. | |
| 22. |
During rainy season, the ground becomes slippery due to dense growth of |
| A. | Green algae |
| B. | Bacteria |
| C. | Cynobagteria |
| D. | Lichen |
| Answer» D. Lichen | |
| 23. |
The plant Ephedra is gouped under |
| A. | Angiosperm |
| B. | Pteridophytes |
| C. | Bryophytes |
| D. | Gymnosperm |
| Answer» E. | |
| 24. |
Sea lethca alga is |
| A. | Laminaria |
| B. | Chlorella |
| C. | Ulva |
| D. | Batra chospermum |
| Answer» D. Batra chospermum | |
| 25. |
In Japan which of the lichen is used as vegetable |
| A. | Parmelia |
| B. | Lecanora |
| C. | Umbilicaria |
| D. | Cladonia |
| Answer» D. Cladonia | |
| 26. |
Virus which containd RNA as gentic material is/are |
| A. | Reovirus |
| B. | Reterovirus |
| C. | Ribo virus |
| D. | All |
| Answer» E. | |
| 27. |
Growth of virus occur in |
| A. | Dead body |
| B. | Living cell |
| C. | Water |
| D. | In the solution of sugar |
| Answer» C. Water | |
| 28. |
Lichen which grow on the bark of tree |
| A. | Saxocoles |
| B. | Corticoles |
| C. | Parmelia |
| D. | Ascocoles |
| Answer» C. Parmelia | |
| 29. |
Which of the following plant produce seed but not fruit? |
| A. | Maize |
| B. | Mint |
| C. | Peepal |
| D. | Pinus |
| Answer» E. | |
| 30. |
Sago is obtained from |
| A. | Cycus |
| B. | Pinus |
| C. | Cedrus |
| D. | Zooniperus |
| Answer» B. Pinus | |
| 31. |
The medicine ephedrin used in the treatment of cough asthma and bronchitis is obtained from |
| A. | Cycus |
| B. | Ephedra |
| C. | Pinus |
| D. | Zooniperus |
| Answer» C. Pinus | |
| 32. |
Bryophytes includes |
| A. | Liverwart & Fern |
| B. | Moss & Fern |
| C. | Liverwart & Moss |
| D. | None of these |
| Answer» D. None of these | |
| 33. |
Which one of the following is a living fossils of plant? |
| A. | Ginkgo |
| B. | Pinus |
| C. | Mirabilius |
| D. | Dalbergia |
| Answer» B. Pinus | |
| 34. |
Branch of botany in which we studied about fungi |
| A. | Phycology |
| B. | Mycology |
| C. | Microbiology |
| D. | Ambiobiology |
| Answer» C. Microbiology | |
| 35. |
The water Holy Ganges river is pure due to presence of |
| A. | Cyanophages |
| B. | Hydrophytes |
| C. | Bacteria |
| D. | Bacteriophages |
| Answer» E. | |
| 36. |
Fungi used in the preparation of bread |
| A. | Acetobacter |
| B. | Penicillum |
| C. | Saccharomyces |
| D. | Aspergilus |
| Answer» D. Aspergilus | |
| 37. |
Streptomycin is first obtained by |
| A. | Lewenhwack |
| B. | Workholder |
| C. | A. Fleming |
| D. | Waksman |
| Answer» E. | |
| 38. |
In which of the following Rhizoides are present? |
| A. | Angiosperm |
| B. | Gymnosperm |
| C. | Bryophytes |
| D. | Pteridophytes |
| Answer» D. Pteridophytes | |
| 39. |
Which of the following animals breathes through the skin? |
| A. | Fish |
| B. | Pigion |
| C. | Frog |
| D. | Cockroach |
| Answer» D. Cockroach | |
| 40. |
Bacteria which is found in the intestine of human |
| A. | Escherichia coli |
| B. | Vibrio cholerae |
| C. | Bacillus antherosis |
| D. | Corynebacterium diphtheriae |
| Answer» B. Vibrio cholerae | |
| 41. |
Lichens are constituted by |
| A. | Fern and fungi |
| B. | Algae and Bryophyta |
| C. | Bacteria and Virus |
| D. | Fungi and Algae |
| Answer» E. | |
| 42. |
First successful vaccine against virul disease of small pox discovered by |
| A. | Louis Pasteur |
| B. | Edward Jenner |
| C. | Lvanowski |
| D. | W.M. Stanley |
| Answer» C. Lvanowski | |
| 43. |
Which one of the following is amphibious in plant kingdom |
| A. | Gymnosperm |
| B. | Angiosperm |
| C. | Pteridophytes |
| D. | Bryophytes |
| Answer» E. | |
| 44. |
Study of microorganism is called |
| A. | Biology |
| B. | Microbiology |
| C. | Microscopic |
| D. | None of these |
| Answer» C. Microscopic | |
| 45. |
Which of the following is used as biofertilizer in the production of crop paddy |
| A. | Blue green algae |
| B. | Rhizobium |
| C. | Fungi |
| D. | Azobacter |
| Answer» B. Rhizobium | |
| 46. |
Bacteria was discovered first by |
| A. | leeuwenhoeck |
| B. | Robert hook |
| C. | Louis pasture |
| D. | Robert Koch |
| Answer» B. Robert hook | |
| 47. |
Azola is a/an |
| A. | Bryophytes |
| B. | Algae |
| C. | Fungi |
| D. | Water ferm |
| Answer» E. | |
| 48. |
Souring of milk is due to |
| A. | Protozoa |
| B. | Bacteria |
| C. | Virus |
| D. | Nematode |
| Answer» C. Virus | |
| 49. |
The disease SARS it due to the |
| A. | Corona DNA virus |
| B. | Retrovirus |
| C. | Picorna DNA Virus |
| D. | Corona RNA virus |
| Answer» E. | |
| 50. |
Which of these algae is very rich in protein |
| A. | Oscillatoria |
| B. | Chlorella |
| C. | Spirogyra |
| D. | Ulothrix |
| Answer» C. Spirogyra | |