General Biology II — 2023 Past Questions

University of Ilorin BIO102: 76 questions.

Topics: General classification of the animal kingdom, Diversity of animal forms, structures, and functions, History of animal diversity, categorization

  1. The study of bacteria is known as?
    1. Virology
    2. Microbiology
    3. Bacteriology
    4. Mycology
  2. Bacteria was discovered in what year?
    1. 1776
    2. 1967
    3. 1676
    4. 1886
  3. Fungi are achlorophyllous because?
    1. They have chlorophyll
    2. They do not have chlorophyll
    3. They are photosynthetic
    4. They are a type of plant
  4. Which of the following is incorrect?
    1. Plants store carbohydrates in the form of glycogen
    2. Algae are achlorophyllous
    3. Fungi are chlorophyllous
    4. Fungi store food in the form of glycogen
  5. Motile bacteria move with the aid of?
    1. Gliding
    2. Flagella
    3. Cilia
    4. Pseudopodia
  6. Motile bacteria without flagella are called?
    1. Gliding bacteria
    2. Twitching bacteria
    3. Amphitrichous bacteria
    4. Atrichous bacteria
  7. How many major types of virus are there based on their genomic material?
    1. 1
    2. 2
    3. 3
    4. 4
  8. Which of this is not a type of algae?
    1. Blue-green algae
    2. Brown algae
    3. Green algae
    4. Red algae
  9. What are the common nuclear shapes found in viruses?
    1. Linear
    2. Circular
    3. Both Linear and Circular
    4. Spherical
  10. The biomass of bacteria is more than that of?
    1. Plants
    2. Animals
    3. Plants and animals combined
    4. None of the above
  11. Who is credited with the discovery of viruses?
    1. Dimitri Ivanovsky
    2. Martinus Beijerinck
    3. Louis Pasteur
    4. Robert Koch
  12. A flagellar arrangement with multiple flagella around the entire cell is called?
    1. Amphitrichous
    2. Lophotrichous
    3. Peritrichous
    4. Monotrichous
  13. Brown algae store food in the following forms except?
    1. Chrysolaminarin
    2. Laminarin
    3. Mannitol
    4. Starch
  14. The hyphae in fungi that store nutrients are called?
    1. Vegetative hyphae
    2. Aerial hyphae
    3. Reproductive hyphae
    4. Septate hyphae
  15. Fungi reproduce in the following ways except?
    1. Binary fission
    2. Fragmentation
    3. Budding
    4. Sporulation
  16. Phycocyanin is the blue pigment found in?
    1. Blue-green algae
    2. Green algae
    3. Red algae
    4. Brown algae
  17. The relationship between fungi and algae in a lichen is best described as?
    1. Parasitic
    2. Symbiotic
    3. Saprophytic
    4. Commensal
  18. Pasteur coined the word?
    1. Bacterium
    2. Bacteriology
    3. Bacteria
    4. Bacteriophage
  19. What type of flagellar arrangement has a single flagellum at one end of the cell?
    1. Monotrichous
    2. Lophotrichous
    3. Amphitrichous
    4. Peritrichous
  20. Which of the following is not a common bacterial shape?
    1. Curved (vibrio)
    2. Spiral (spirillum)
    3. Linear shape
    4. Spherical (coccus)
  21. Which component determines the overall shape and size of a lichen?
    1. The fungus
    2. The alga
    3. Environmental light
    4. Environmental temperature
  22. Phycoerythrin is a characteristic red pigment in which algae?
    1. Red algae
    2. Blue-green algae
    3. Brown algae
    4. Green algae
  23. Mycorrhiza refers to the symbiotic association between a fungus and?
    1. A virus
    2. A plant root
    3. An alga
    4. A bacterium
  24. Diatoms and Golden-brown algae are examples of which group?
    1. Chrysophyta
    2. Rhodophyta
    3. Chlorophyta
    4. Phaeophyta
  25. Which of these nucleic acids can be found in a virus?
    1. RNA only
    2. DNA only
    3. Both RNA and DNA
    4. Neither RNA nor DNA
  26. To which kingdom do bacteria primarily belong?
    1. Monera
    2. Protista
    3. Fungi
    4. Plantae
  27. Yeast typically reproduces asexually by means of?
    1. Fragmentation
    2. Budding
    3. Binary fission
    4. Sporulation
  28. Which of the following were among the first living organisms to appear on Earth?
    1. Viruses
    2. Bacteria
    3. Bryophytes
    4. Fungi
  29. A typical bacterial cell measures?
    1. 0.5 - 5.0 cm
    2. 0.5 - 5.0 mm
    3. 0.5 - 5.0 μm
    4. 0.5 - 5.0 nm
  30. All of the following are common shapes of bacteria except?
    1. Curved (vibrio)
    2. Spiral (spirillum)
    3. Spherical (coccus)
    4. Golf-ball like
  31. Who defined a virus as a small infectious agent that can replicate only inside the living cells of an organism?
    1. Bawden (1943)
    2. Loria (1953)
    3. Konin et al (2006)
    4. Wendell Stanley
  32. Phycocyanin is a pigment found in which type of algae?
    1. Blue-green algae
    2. Brown algae
    3. Red algae
    4. Green algae
  33. Which of the following algae is unbranched?
    1. Spirogyra
    2. Ulothrix
    3. Both are unbranched
    4. None of the above
  34. The following are green algae except?
    1. Spirogyra
    2. Diatoms
    3. Ulothrix
    4. Volvox
  35. Non-motile bacteria are termed?
    1. Atrichous
    2. Monotrichous
    3. Peritrichous
    4. Amphitrichous
  36. The study of algae is called?
    1. Algology or Phycology
    2. Virology and Microbiology
    3. Bacteriology and Mycology
    4. Ecology and Taxonomy
  37. Who defined bacteria as a 'sub-microscopic entity capable of being introduced into living cells'?
    1. Bawden
    2. Loria
    3. Beijerinck
    4. Konin et al
  38. What is the function of carbohydrates in a virus?
    1. Mostly unknown
    2. To form the cell wall
    3. To form the protein coat
    4. To house the nucleic acid
  39. Who discovered that viruses are composed of nucleic acids, proteins, and lipids?
    1. Bawden (1943)
    2. Konin et al
    3. Wendell Stanley
    4. Luria and Darnell
  40. The study of bacteria is known as?
    1. Mycology
    2. Bacteriology
    3. Virology
    4. Phycology
  41. Who coined the term 'bacterium'?
    1. Christian Gottfried Ehrenberg
    2. Antonie van Leeuwenhoek
    3. Bawden
    4. Louis Pasteur
  42. Who defined a virus as being composed of nucleic acids, proteins, and lipids?
    1. Lomo
    2. Dimitri Ivanovsky
    3. Wendell Stanley
    4. Bawden
  43. Bacteria without flagella are termed?
    1. Monotrichous
    2. Amphitrichous
    3. Atrichous
    4. Lophotrichous
  44. Bacteria belong to which kingdom?
    1. Protista
    2. Myceteae
    3. Monera
    4. Plantae
  45. Bacteria can be found in which of the following?
    1. Soil
    2. Water
    3. Air
    4. All of the above
  46. The following are characteristics of bacteria except?
    1. They are single-celled organisms
    2. They have a small surface area to volume ratio
    3. They have no membranous organelles
    4. They grow in numbers, not in size
  47. Fungi reproduce through the following except?
    1. Budding
    2. Sporulation
    3. Fragmentation
    4. Binary fission
  48. Fungi are?
    1. Unicellular
    2. Multicellular
    3. Prokaryotic
    4. Eukaryotic
  49. Christian Gottfried Ehrenberg introduced the term 'bacterium' in which year?
    1. 1676
    2. 1828
    3. 1892
    4. 1953
  50. Who introduced the importance of bacteria as disease-causing organisms?
    1. Robert Koch
    2. Louis Pasteur
    3. Joseph Lister
    4. Alexander Fleming
  51. Another name for 'seaweed' typically refers to?
    1. Brown algae
    2. Blue-green algae
    3. Red algae
    4. Green algae
  52. What is the shape of bacteria from the genus 'Arcula'?
    1. Spherical (cocci)
    2. Spiral (spirilla)
    3. Tetrahedral
    4. Rod-shaped (bacilli)
  53. Which type of bacteria possesses a single flagellum on one end of the cell?
    1. Monotrichous
    2. Amphitrichous
    3. Lophotrichous
    4. Peritrichous
  54. An example of a virus with double-stranded DNA is?
    1. Reovirus
    2. Herpes virus
    3. Coliphage lambda
    4. Influenza virus
  55. The word 'bacterium' was introduced in what year?
    1. 1676
    2. 1828
    3. 1892
    4. 1953
  56. The association formed between algae and fungi in a lichen is best described as?
    1. Symbiotic
    2. Parasitic
    3. Saprophytic
    4. Commensal
  57. Blue-green algae contain a blue pigment called?
    1. Phycocyanin
    2. Phycoerythrin
    3. Fucoxanthin
    4. Chlorophyll b
  58. Herpes virus has which of the following types of nucleic acid?
    1. Double-stranded DNA
    2. Double-stranded RNA
    3. Single-stranded DNA
    4. Single-stranded RNA
  59. Viruses are considered to be at the edge of life because?
    1. They possess all key characteristics of living organisms
    2. They possess some, but not all, key characteristics of living organisms
    3. They are the simplest form of life
    4. They evolved before bacteria
  60. Bacteria can be found in the following except?
    1. Water
    2. Land
    3. Air
    4. None of the options
  61. The presence of several flagella at one or both ends of a bacterial cell is known as?
    1. Lophotrichous
    2. Monotrichous
    3. Peritrichous
    4. Amphitrichous
  62. The presence of a single flagellum at one end of a bacterium is described as?
    1. Amphitrichous
    2. Peritrichous
    3. Lophotrichous
    4. Monotrichous
  63. The presence of the pigment phycoerythrin is common in?
    1. Red algae
    2. Blue-green algae
    3. Brown algae
    4. Green algae
  64. Bacteria with numerous flagella distributed all over the cell surface are termed?
    1. Lophotrichous
    2. Amphitrichous
    3. Peritrichous
    4. Atrichous
  65. All fungi are?
    1. Prokaryotic
    2. Unicellular
    3. Multicellular
    4. Eukaryotic
  66. The following are types of algae except?
    1. Blue-green algae
    2. All of the options are types of algae
    3. Red algae
    4. Green algae
  67. In Blue-green algae, food is stored as?
    1. Cyanophycean starch
    2. Glycogen
    3. Laminarin
    4. Paramylon
  68. There are how many main parts to a virus?
    1. One
    2. Two
    3. Three
    4. Four
  69. Who defined a virus as a 'submicroscopic entity capable of being introduced into a living cell and reproducing inside such cells only'?
    1. Bawden
    2. Loria
    3. Ivanovsky
    4. Stanley
  70. What is the approximate length of a typical bacterial cell?
    1. 0.5 - 5.0 micrometers
    2. 10.0 - 50.0 micrometers
    3. 0.1 - 0.5 micrometers
    4. 50.0 - 100.0 micrometers
  71. Green algae are also called?
    1. Rhodophyta
    2. Phaeophyta
    3. Chlorophyta
    4. Chrysophyta
  72. Bacteria were discovered in what year?
    1. 1676
    2. 1828
    3. 1892
    4. 1897
  73. Motile bacteria that move without flagella are called?
    1. Atrichous
    2. Gliding bacteria
    3. Twitching bacteria
    4. Peritrichous
  74. Hyphae that are not compartmentalized by septa are called?
    1. Septate hyphae
    2. Coenocytic hyphae
    3. Dikaryotic hyphae
    4. Ascogenous hyphae
  75. What year was the first virus discovered?
    1. 1676
    2. 1828
    3. 1892
    4. 1953
  76. The word 'virus' is derived from a Latin word meaning?
    1. Disease
    2. Poison
    3. Small
    4. Animalcule

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