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Home » Medical Science » Microbiology » Aptitude Test - 8
1.Which of the following is/are included in Kingdom Prokaryotae?
A. Bacteria
B. Protozoa
C. Fungi
D. Bacteria
2.Which of the following may account for the small size of the cells?
A. The rate of diffusion
B. The surface area/volume ratio
C. The number of mRNAs that can be produced by the nucleus
D. The rate of diffusion
3.Genetic and biochemical similarities between contemporary cyanobacteria and eukaryotic chloroplasts are accepted to mean that
A. eukaryotes evolved from bacteria
B. eukaryotes evolved from archaea
C. oxygenic photosynthesis first evolved in eukaryotes
D. eukaryotes evolved from bacteria
4.Which of the following best represents the hierarchy of levels of biological classification?
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. Phylum, kingdom, class, order, genus, species, family
5.The three domain version of life on earth is based on the
A. nucleic acid sequence data
B. morphological traits
C. metabolic traits
D. nucleic acid sequence data
6.The foundation for the germ theory of disease was set down by
A. Robert Koch
B. Ronald Ross
C. Louis Pasteur
D. Robert Koch
7.. Most microbial structures and enzymes are composed of
A. lipids
B. proteins
C. carbohydrates
D. lipids
8.The individual best remembered for bringing microbes to the world is
A. Robert Hooke
B. Antony Van Leeuenhoek
C. Robert Koch
D. Robert Hooke
9.Micro organisms are found in which of the following kingdom of five kingdom concept (Whittaker's classification)?
A. Monera
B. Protista
C. Fungi
D. Monera
10.The first organism in most natural food chains is
A. a herbivore
B. a decomposer
C. photosynthetic
D. a herbivore
11.The third kingdom, protista, as suggested by E.H. Haeckel includes
A. bacteria
B. algae
C. fungi
D. bacteria
12.Eukaryotic cell organelles first emerged
A. from a specialized lineage of cells within the kingdom Protista
B. when prokaryotes engulfed each other and became interdependent
C. when bacteria made their first attempts at reproduction
D. from a specialized lineage of cells within the kingdom Protista
13.Who discovered the bacteria that cause cholera?
A. Pierre Berthelot
B. Robert Koch
C. Louis Pasteur
D. Pierre Berthelot
14.The third kingdom, protista, as suggested by E.H. Haeckel includes
A. bacteria
B. algae
C. fungi
D. bacteria
15.Eukaryotic cell organelles first emerged
A. from a specialized lineage of cells within the kingdom Protista
B. when prokaryotes engulfed each other and became interdependent
C. when bacteria made their first attempts at reproduction
D. from a specialized lineage of cells within the kingdom Protista
16.Who discovered the bacteria that cause cholera?
A. Pierre Berthelot
B. Robert Koch
C. Louis Pasteur
D. Pierre Berthelot
17.In the three domain system of classification, the traditional bacteria are placed in the
A. Eukarya
B. Archaea
C. Eubacteria
D. Eukarya
18.One of the reasons for the evolutionary success of the kingdom Monera is that its members are nutritionally diverse. Which of the following(s) is/are the way(s) of obtaining energy?
A. Photoautotrophy
B. Photoheterotrophy
C. Chemoheterotrophy
D. Photoautotrophy
19.. Carl Woese and his colleague are best known for establishing
A. the five kingdom system
B. the three domain system
C. the prokaryote-eukaryote system
D. the five kingdom system
20. Which of the following is not found in the kingdom Monera?
A. Organelles
B. Organized cell structure
C. Ability to reproduce
D. Organelles
21.Which of the following is the most primitive?
A. Virus
B. Eukaryote
C. Archaeon
D. Virus
22.Which cell type is considered to have the oldest ancestor?
A. Archaea
B. Bacteria
C. Eukarya
D. Archaea
23.What is Mycology?
A. Study of viruses
B. Study of nucleic acid
C. Study of bacteria
D. Study of viruses
24.Which of the following organelles contain DNA, divides and possesses some degree of autonomy?
A. Golgi apparatus
B. Ribosome
C. Chloroplast
D. Golgi apparatus
25.. All of the following individuals contributed to cell theory except
A. Robert Hooke
B. Matthias Schleiden
C. Theodor Schwann
D. Robert Hooke
26.Eukaryotic micro organisms include
A. Protozoa
B. fungi
C. algae
D. Protozoa
27.The binomial name of a microbe is composed of
A. its kingdom and genus names
B. its genus name and a species modifier
C. its family and class names
D. its kingdom and genus names
28.Which of the following is a characteristic unique to the ciliates?
A. Use of cilia as a sensory function
B. Presence of both a macronucleus and several micronuclei
C. Both (a) and (b)
D. Use of cilia as a sensory function
29.Which of the following structure is present in prokaryotic cells?
A. Mitochondria
B. Chloroplasts
C. Golgi structure
D. Mitochondria
30.The word cell was first used by
A. Robert Hooke
B. Theodor Schwann
C. Louis Pasteur
D. Robert Hooke
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