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  • Question
  • Which of the following structures is the smallest?


  • Options
  • A. Viriod
  • B. Hydrogen atom
  • C. Bacterium
  • D. Mitochondrion

  • Correct Answer
  • Hydrogen atom 


  • Micro Organisms problems


    Search Results


    • 1. Eukaryotic micro organisms include

    • Options
    • A. protozoa
    • B. fungi
    • C. algae
    • D. all of these
    • Discuss
    • 2. What are Blue-Green bacteria called?

    • Options
    • A. Acquaobacteria
    • B. Cyanobacteria
    • C. Protozoa
    • D. None of the above
    • Discuss
    • 3. Which of the following best represents the hierarchy of levels of biological classification?

    • Options
    • A. Phylum, kingdom, class, order, genus, species, family
    • B. Kingdom, phylum, class, order, family, genus, species
    • C. Kingdom, phylum, family, class, order, genus, species
    • D. Class, order, kingdom, phylum, family, genus, species
    • Discuss
    • 4. Prokaryotic microorganism include

    • Options
    • A. protozoa
    • B. fungi
    • C. bacteria
    • D. all of these
    • Discuss
    • 5. Which of the following is not found in the kingdom Monera?

    • Options
    • A. Organelles
    • B. Organized cell structure
    • C. Ability to reproduce
    • D. Ability to use energy
    • Discuss
    • 6. What is Mycology?

    • Options
    • A. Study of viruses
    • B. Study of nucleic acid
    • C. Study of bacteria
    • D. Study of fungi
    • Discuss
    • 7. The phospholipids present in cytoplasm membrane of the archaeo-bacteria is

    • Options
    • A. phosphoglycerides
    • B. polyisoprenoid
    • C. polyisoprenoid branched chain lipids
    • D. none of the above
    • Discuss
    • 8. All the following are basic properties of cells except

    • Options
    • A. cells have nuclei and mitochondria
    • B. cells have a genetic programme and the means to use it
    • C. cells are capable of producing more of themselves
    • D. cells are able to respond to stimuli
    • Discuss
    • 9. Which of the following organelles contain DNA, divides and possesses some degree of autonomy?

    • Options
    • A. Golgi apparatus
    • B. Ribosome
    • C. Chloroplast
    • D. Peroxisomes
    • Discuss
    • 10. All of the following are features of prokaryotes except

    • Options
    • A. nitrogen fixation
    • B. photosynthesis
    • C. sexual reproduction
    • D. locomotion
    • Discuss


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