BIO 250 ACTUAL TEST PAPER FULL
QUESTIONS AND ACCURATE ANSWERS
GRADED APLUS
●● Which of these groups are single-celled and possess a nucleus?
A. Fungi
B. Bacteria
C. Viruses
D. Protozoa
E. Helminths
Answer: D.
●● The notion that disease could be prevented by proper disposal of
human waste was developed _____ .
A. in early Biblical times (more than 3000 years ago)
B. in ancient Greece (about 2300 years ago)
C. at the time of the Black Death (about 600 years ago)
,D. after the discovery of cells (about 350 years ago)
E. after the discovery of viruses (about 125 years ago)
Answer: A.
●● Which of the following tools expanded the study of microbiology in
the 17th century?
A. Compound microscopes
B. Electron microscopes
C. Agar media
D. Computer technology
E. X-rays
Answer: A.
●● Which of the following scientists disproved the theory of
spontaneous generation using swan-necked flasks?
A. Theodor Schwann
B. Matthias Schleiden
C. Robert Hooke
D. Louis Pasteur
E. Anton van Leeuwenhoek
,Answer: D.
●● What are Robert Koch's Postulates used for?
A. Identifying bacteria by shape and size.
B. Developing methods for growing bacteria in pure cultures.
C. Linking a specific organism to a specific disease.
D. Developing methods for staining bacteria.
e. Determining the symptoms of a microbial disease.
Answer: C.
●● Biogensis was the popular view until Louis Pasteur proved it wrong
in the mid-1800's.
A. True
B. False
Answer: B.
, ●● Microbiology and medicine have always been closely intertwined.
Microbiology's two parents are medicine and food
preparation/preservation.
Microbiology and medicine have always been clearly different from one
another.
A. True
B. False
Answer: B.
●● Microbes make up approximately how much of the earth's biomass?
A. 15%
B. 47%
C. 60%
D. 80%
E. none of the above
Answer: C.
●● Who was Louis Pasteur's main opponent in the 1859 Frech Academy
of Sciences abiogensis contest?
QUESTIONS AND ACCURATE ANSWERS
GRADED APLUS
●● Which of these groups are single-celled and possess a nucleus?
A. Fungi
B. Bacteria
C. Viruses
D. Protozoa
E. Helminths
Answer: D.
●● The notion that disease could be prevented by proper disposal of
human waste was developed _____ .
A. in early Biblical times (more than 3000 years ago)
B. in ancient Greece (about 2300 years ago)
C. at the time of the Black Death (about 600 years ago)
,D. after the discovery of cells (about 350 years ago)
E. after the discovery of viruses (about 125 years ago)
Answer: A.
●● Which of the following tools expanded the study of microbiology in
the 17th century?
A. Compound microscopes
B. Electron microscopes
C. Agar media
D. Computer technology
E. X-rays
Answer: A.
●● Which of the following scientists disproved the theory of
spontaneous generation using swan-necked flasks?
A. Theodor Schwann
B. Matthias Schleiden
C. Robert Hooke
D. Louis Pasteur
E. Anton van Leeuwenhoek
,Answer: D.
●● What are Robert Koch's Postulates used for?
A. Identifying bacteria by shape and size.
B. Developing methods for growing bacteria in pure cultures.
C. Linking a specific organism to a specific disease.
D. Developing methods for staining bacteria.
e. Determining the symptoms of a microbial disease.
Answer: C.
●● Biogensis was the popular view until Louis Pasteur proved it wrong
in the mid-1800's.
A. True
B. False
Answer: B.
, ●● Microbiology and medicine have always been closely intertwined.
Microbiology's two parents are medicine and food
preparation/preservation.
Microbiology and medicine have always been clearly different from one
another.
A. True
B. False
Answer: B.
●● Microbes make up approximately how much of the earth's biomass?
A. 15%
B. 47%
C. 60%
D. 80%
E. none of the above
Answer: C.
●● Who was Louis Pasteur's main opponent in the 1859 Frech Academy
of Sciences abiogensis contest?
