BIO 250 MICROBIOLOGY ACTUAL EXAM
PAPER 2026 QUESTIONS WITH ANSWERS
GRADED A+
◉ Microscopic, single cell , cluster, chains carry out life processes
dependently or independently? Answer: Carry out life processes
INDEPENDENTLY as SINGLE CELLS
◉ What are Viruses? Answer: microscopic, non-cellular, RNA or DNA
◉ Bacterial and their processes and their effects on society, humans,
animals, and the environment
what are the two basic themes? Answer: 1. Basic - cellular processes
2. Applied - practical problems in agriculture,
health and history
◉ what are the 5 types of microorganisms? Answer: 1. bacteria
2. fungi
3. Protozoa
,4. Algae
5. Viruses
◉ what are bacteria? Answer: SINGLE CELLED ORGANISMS
- - prokaryotic
- - no nucleus
◉ bacteria are prokaryotic, what does this mean? Answer: they have no
membrane bound organelles and no true nucleus
◉ what are the three shapes of bacteria? Answer: 1. spherical
2. rod
3. spiral
◉ what is an example of a bacteria (from book)? Answer: Klebsiella
Pneumoniae
- rod shaped
- causes pneumonia
◉ What are algae. Answer: single celled microorganisms
◉ Are algae eukaryotic or prokaryotic? Answer: Eukaryotic
,◉ T/F: algae have membrane bound organelles and a nucleus. Answer:
True
- Algae are eukaryotes
◉ T/F: Algae are photosynthetic? Answer: True
◉ Where do algae live? Answer: Fresh water and marine environments
◉ T/F: algae cause diseases in humans. Answer: False
- ALGAE DO NOT CAUSE DISEASES IN HUMANS
◉ What is an example of an algae (from book). Answer: Micrasteria
- green algae found in FRESHWATER
◉ what are Fungi? Answer: single celled microorganisms (yeasts)
multicelluslar microorganisms (Molds)
◉ what are single celled fungi called. Answer: yeasts
◉ what are multicelled fungi called. Answer: molds
, ◉ Are fungi prokaryotic or eukaryotic? Answer: Eukaryotic
◉ where are fungi found? Answer: widely distributed in water and soil
as decomposers of dead organisms
◉ which microorganism is important for medicine? Answer: Fungi
◉ what is an example of a fungus? (from the book). Answer: philobolus
Crystallinus
◉ what are viruses? Answer: acellular entities too small to be seen with
a light microscope
◉ what are viruses composed of? Answer: nucleic acids and proteins
◉ T/F: viruses are cell types. Answer: False
they are acellular
◉ what is a bacteriophage? Answer: viruses that infect bacteria
◉ T/F: a virus can contain both RNA and DNA. Answer: False
a virus can only contain DNA or RNA, not both
PAPER 2026 QUESTIONS WITH ANSWERS
GRADED A+
◉ Microscopic, single cell , cluster, chains carry out life processes
dependently or independently? Answer: Carry out life processes
INDEPENDENTLY as SINGLE CELLS
◉ What are Viruses? Answer: microscopic, non-cellular, RNA or DNA
◉ Bacterial and their processes and their effects on society, humans,
animals, and the environment
what are the two basic themes? Answer: 1. Basic - cellular processes
2. Applied - practical problems in agriculture,
health and history
◉ what are the 5 types of microorganisms? Answer: 1. bacteria
2. fungi
3. Protozoa
,4. Algae
5. Viruses
◉ what are bacteria? Answer: SINGLE CELLED ORGANISMS
- - prokaryotic
- - no nucleus
◉ bacteria are prokaryotic, what does this mean? Answer: they have no
membrane bound organelles and no true nucleus
◉ what are the three shapes of bacteria? Answer: 1. spherical
2. rod
3. spiral
◉ what is an example of a bacteria (from book)? Answer: Klebsiella
Pneumoniae
- rod shaped
- causes pneumonia
◉ What are algae. Answer: single celled microorganisms
◉ Are algae eukaryotic or prokaryotic? Answer: Eukaryotic
,◉ T/F: algae have membrane bound organelles and a nucleus. Answer:
True
- Algae are eukaryotes
◉ T/F: Algae are photosynthetic? Answer: True
◉ Where do algae live? Answer: Fresh water and marine environments
◉ T/F: algae cause diseases in humans. Answer: False
- ALGAE DO NOT CAUSE DISEASES IN HUMANS
◉ What is an example of an algae (from book). Answer: Micrasteria
- green algae found in FRESHWATER
◉ what are Fungi? Answer: single celled microorganisms (yeasts)
multicelluslar microorganisms (Molds)
◉ what are single celled fungi called. Answer: yeasts
◉ what are multicelled fungi called. Answer: molds
, ◉ Are fungi prokaryotic or eukaryotic? Answer: Eukaryotic
◉ where are fungi found? Answer: widely distributed in water and soil
as decomposers of dead organisms
◉ which microorganism is important for medicine? Answer: Fungi
◉ what is an example of a fungus? (from the book). Answer: philobolus
Crystallinus
◉ what are viruses? Answer: acellular entities too small to be seen with
a light microscope
◉ what are viruses composed of? Answer: nucleic acids and proteins
◉ T/F: viruses are cell types. Answer: False
they are acellular
◉ what is a bacteriophage? Answer: viruses that infect bacteria
◉ T/F: a virus can contain both RNA and DNA. Answer: False
a virus can only contain DNA or RNA, not both
