MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following fungi makes symbiotic relationship with the root of higher plant |
| A. | Lichen |
| B. | Mycorrhizae |
| C. | Coralloid root |
| D. | Bio firtilizer |
| Answer» C. Coralloid root | |
| 2. |
Red rot of sugar cane occur due |
| A. | Bacteria |
| B. | Virus |
| C. | Fungi |
| D. | Nematode |
| Answer» D. Nematode | |
| 3. |
Type of DNA found in becteria |
| A. | Straight DNA |
| B. | Helical DNA |
| C. | Circular DNA |
| D. | Membrane bound DNA |
| Answer» D. Membrane bound DNA | |
| 4. |
Which one of sybiotic algae is found in secretory cell of hydra? |
| A. | Euchlorella |
| B. | Nostac |
| C. | Ulothrix |
| D. | Spirogyra |
| Answer» B. Nostac | |
| 5. |
Becteria do not prssess |
| A. | Plasma membrane |
| B. | Cell wall |
| C. | Mitochondria |
| D. | Ribosomes |
| Answer» D. Ribosomes | |
| 6. |
Early blight of potato |
| A. | Phytopthora infestans |
| B. | Alternaria solani |
| C. | Albugo candida |
| D. | Sclerospora graminicola |
| Answer» C. Albugo candida | |
| 7. |
Microbial fuel cells |
| A. | 1 only |
| B. | 2 and 3 only |
| C. | 1 and 3 only |
| D. | 1, 2 and 3 |
| Answer» C. 1 and 3 only | |
| 8. |
On |
| A. | Penicillum notatum |
| B. | penicillum Chrysogenum |
| C. | Penicillum griscofulum |
| D. | Penicillum roqueforti |
| Answer» C. Penicillum griscofulum | |
| 9. |
Fungi used in |
| A. | Saccharomyces cerevisial |
| B. | Schizosacchromyces |
| C. | Saccharomyces ellipsaideus |
| D. | Rihzopus stolonifer |
| Answer» B. Schizosacchromyces | |
| 10. |
Algae |
| A. | It can be turned to important diet in future for human |
| B. | It purifies atmosphere |
| C. | It can be grown in water tank |
| D. | None of these |
| Answer» B. It purifies atmosphere | |
| 11. |
Consider the following organism? |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 2 and 4 |
| D. | 3 and 4 |
| Answer» E. | |
| 12. |
Microorganism |
| A. | Bacteria & Virus |
| B. | Bacteria, Virus, Microalgae and Fungi |
| C. | Bacteria, Virus Microalgae, Fungi and Protozoa |
| D. | All animals & Plants |
| Answer» D. All animals & Plants | |
| 13. |
Bacteria cannot survive in a |
| A. | Bacteria get plasmolysed and are consequently killed |
| B. | Salt inhibits reproduction |
| C. | The pickel does not contain nutrient necessary for bacteria to survive |
| D. | Bacteria do not get enough light for photosynthisis |
| Answer» B. Salt inhibits reproduction | |
| 14. |
Refrigeration |
| A. | Bacteria are destroyed |
| B. | Growth of bacteria reduced |
| C. | Bacteria become inactive |
| D. | Cytoplasm of bacteria contract |
| Answer» D. Cytoplasm of bacteria contract | |
| 15. |
Bacteria which convert atmospheric nitrogen into nitrogenous compound are called |
| A. | Denitrifying bacteria |
| B. | Nitrogen fixing bacteria |
| C. | Nitrifying bacteria |
| D. | Decomposing bacteria |
| Answer» C. Nitrifying bacteria | |
| 16. |
Which one of the following type of microorganism is most widely used in industries? |
| A. | Bacteria |
| B. | Bacteria and fungi |
| C. | Bacteria and algae |
| D. | Bacteria, microalgae and fungi |
| Answer» E. | |
| 17. |
Which one of following statement is correct ? |
| A. | Prions are the smallest free living cells |
| B. | The cell wall of mycoplasmas is made up of amino sugar |
| C. | Viroids consist of single stranded RNA molecule |
| D. | Rickettsias lack cell wall |
| Answer» D. Rickettsias lack cell wall | |
| 18. |
Expanded form of |
| A. | Acquired immun deficiency syndrome |
| B. | Acquired deficiency syndrome |
| C. | Acquired immunity syndrome |
| D. | Acquired incapablity syndrome |
| Answer» B. Acquired deficiency syndrome | |
| 19. |
Viruses |
| A. | Protein & lipids |
| B. | Nucleic acid & protein |
| C. | Lipids & Carbohydrate |
| D. | Carbohydrate & Nucleic acid |
| Answer» C. Lipids & Carbohydrate | |
| 20. |
Two bacteria found to be very useful in |
| A. | Nitrosomonas and klebsiella |
| B. | Escherichia and Agrobacterium |
| C. | Nitrobacter and Azoobacter |
| D. | Rhizobium and Diplococcus |
| Answer» C. Nitrobacter and Azoobacter | |
| 21. |
Litmus paper |
| A. | Green algae |
| B. | Blue-green algae |
| C. | Lichen |
| D. | Fungi |
| Answer» D. Fungi | |
| 22. |
Pond Sillc |
| A. | Spirogyra |
| B. | Chlorella |
| C. | Ulva |
| D. | Nostoc |
| Answer» B. Chlorella | |
| 23. |
Fungi which grow on |
| A. | Saxecoles |
| B. | Corticoles |
| C. | Coprophilous |
| D. | Zoophilous |
| Answer» D. Zoophilous | |
| 24. |
LSD |
| A. | Bacteria |
| B. | Fungi |
| C. | 2, 4-D |
| D. | Alcohol |
| Answer» C. 2, 4-D | |
| 25. |
Penicillum |
| A. | Virus |
| B. | Algae |
| C. | Fungi |
| D. | Bacteria |
| Answer» D. Bacteria | |
| 26. |
Which of the following do not have |
| A. | Algae |
| B. | Bryophytes |
| C. | Pteridophytes |
| D. | Fungi |
| Answer» E. | |
| 27. |
Red colour |
| A. | Moss |
| B. | Algae |
| C. | Fungi |
| D. | Bacteria |
| Answer» C. Fungi | |
| 28. |
Cell wall of fungi |
| A. | Lipids |
| B. | Cellulose |
| C. | Protein |
| D. | Chitin & Hemicellulose |
| Answer» E. | |
| 29. |
Bat can fly in dark |
| A. | have strong wings |
| B. | have sharp eyes |
| C. | Produce ultrasonic waves |
| D. | are natural |
| Answer» D. are natural | |
| 30. |
Fungi grown |
| A. | Saxocoles |
| B. | Corticoles |
| C. | Tericoles |
| D. | Coprophillus |
| Answer» C. Tericoles | |
| 31. |
Sea known as |
| A. | Fungi |
| B. | Angiosperm |
| C. | Algae |
| D. | Bryophyto |
| Answer» D. Bryophyto | |
| 32. |
Aflatoxion |
| A. | Poision produced by fungi |
| B. | Antibiotic |
| C. | Poision in snake |
| D. | Poision produced by snake |
| Answer» B. Antibiotic | |
| 33. |
Kelps |
| A. | Fresh water algae |
| B. | Marine algae |
| C. | Terrestrial |
| D. | Amphibious |
| Answer» C. Terrestrial | |
| 34. |
Sago |
| A. | Cycus |
| B. | Pinus |
| C. | Cedrus |
| D. | Zooniperus |
| Answer» B. Pinus | |
| 35. |
The medicine |
| A. | Cycus |
| B. | Ephedra |
| C. | Pinus |
| D. | Zooniperus |
| Answer» C. Pinus | |
| 36. |
Which one of the following is a living |
| A. | Ginkgo |
| B. | Pinus |
| C. | Mirabilius |
| D. | Dalbergia |
| Answer» B. Pinus | |
| 37. |
Branch of botany |
| A. | Phycology |
| B. | Mycology |
| C. | Microbiology |
| D. | Ambiobiology |
| Answer» C. Microbiology | |
| 38. |
Azola |
| A. | Bryophytes |
| B. | Algae |
| C. | Fungi |
| D. | Water ferm |
| Answer» E. | |
| 39. |
Which of these algae is very |
| A. | Oscillatoria |
| B. | Chlorella |
| C. | Spirogyra |
| D. | Ulothrix |
| Answer» C. Spirogyra | |
| 40. |
Growth of virus |
| A. | Dead body |
| B. | Living cell |
| C. | Water |
| D. | In the solution of sugar |
| Answer» C. Water | |
| 41. |
Lichen which grow on the |
| A. | Saxocoles |
| B. | Corticoles |
| C. | Parmelia |
| D. | Ascocoles |
| Answer» C. Parmelia | |
| 42. |
Which of the following plant produce |
| A. | Maize |
| B. | Mint |
| C. | Peepal |
| D. | Pinus |
| Answer» E. | |
| 43. |
Fungi |
| A. | Acetobacter |
| B. | Penicillum |
| C. | Saccharomyces |
| D. | Aspergilus |
| Answer» D. Aspergilus | |
| 44. |
Which of the following animals |
| A. | Fish |
| B. | Pigion |
| C. | Frog |
| D. | Cockroach |
| Answer» D. Cockroach | |
| 45. |
Symbiotic |
| A. | Algae & Bryophytes |
| B. | Fungi and root of higher plant |
| C. | Algae & root of Gymnosperm |
| D. | Algae & Fungi |
| Answer» C. Algae & root of Gymnosperm | |
| 46. |
Insectivorus |
| A. | Soil is deficient in nitrogen |
| B. | Soil is deficient in carbohydrate |
| C. | Vitamin C is required |
| D. | Hormones are required |
| Answer» B. Soil is deficient in carbohydrate | |
| 47. |
The fact support the concept that viruses are living is that they |
| A. | Multiply themselves |
| B. | Made up of common chememical |
| C. | Cause disease |
| D. | Can pais through cell membrane |
| Answer» B. Made up of common chememical | |
| 48. |
Statement which is true about bacteria |
| A. | All bacteria are autotrophs |
| B. | All bacteria are heterotrophs |
| C. | Most of them are heterotrophs but some are autotrophs |
| D. | All bacteria are photosynthetic |
| Answer» D. All bacteria are photosynthetic | |
| 49. |
Bacteria are grouped under plant because |
| A. | They can not move |
| B. | They have cell wall |
| C. | They multiple by fission |
| D. | They are found everywhere |
| Answer» C. They multiple by fission | |
| 50. |
"The walking fern" |
| A. | Its spores are able to walk |
| B. | It is dispersed through the agency of walking animal |
| C. | It propagates vegetatively by its leaf tips |
| D. | It known how to walk by itself |
| Answer» D. It known how to walk by itself | |