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Quiz 6
Mdcat-past-papers - ETEA - Biology Quiz
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Board: ETEA | Subject: Biology |
101. —infection is caused by a viroid:
Hepatitis A
Hepatitis D
Mad Cow disease
Mysterious brain infection
102. Human immunodeficiency virus (HIV) particles surround with a coat known as the viral envelope or membrane made up of:
Glycoprotein
Glycolipid
Lipoprotein
Sulpholipid
103. The genome of human immunodeficiency virus (HIV) is made up of:
cDNA
DNA
RNA
rRNA
104. Where are the enzymes required for the replication of HIV virus located?
In the protein spikes
Inside the capsid
Surrounding the viral cone
Outside the capsid
105. Rod shaped bacteria are known as :
Spirilla
Bacilli
Spirochete
Cocci
106. Rabies is caused by :
Paramyxovirus
Rhinovirus
Arbovirus
Rhabdovirus
107. Photosynthetic bacteria utilises H-S instead of water and liberate one of the following instead of oxygen:
Sulphur
Phosphorus
Calcium
Magnesium
108. A small biological unit that can evolve over time :
A specie
An organism
A population
Cell
109. The smallest known bacteria belong to the genus:
Mycoplasma
Escherichia
Streptococcus
Bacillus
110. Which statement about bacteria is true:
Gram positive bacteria have more lipids in their cell wall
Gram negative bacteria have more lipids in their cell wall
Lipids are absent in cell wall of both gram +ve and -ve
Both have equal amount of lipids
111. If lipopolysaccharide does not appear in the cell wall of bacteria on staining then it will be known as
Gram negative
Gram positive
Capsule
Gram +ve and -ve
112. Structure formed by invagination of plasma membrane and involved in cell division and DNA replication of prokaryotic cell:
Lysosomes
Mesosomes
Golgi bodies
Phragmoplasts
113. Which of the following is an example of spiral shaped bacteria ?
Diplococcus pneumonia
Hypomicrobium
Escherichia coli
Pseudomonas
114. Number of layers of cell wall in Gram positive bacteria is :
1
3
2
4
115. Bacterial genome becomes diploid:
After fertilization of gametes
Before spore formation
During binary fission
After binary fission
116. One of the following is CORRECT regarding flagella :
Made up of macrofilaments
Contains centrioles
Originates from basal bodies
They are immotile
117. Mesosomes are the invagination of bacterial cell structure :
Cell wall
Cell membrane
Plasmid
Cysts
118. Bacterial cell wall is made up of:
Cellulose and pectin
Cellulose and cutin
Hemicellulose and chitin
Amino acid and sugar
119. Mesosomes are invagination of which bacterial cell structure?
Cell wall
Cell membrane
Plasmid
Cysts
120. In which phase of bacterial growth, do they divide at exponential rate?
Lag phase
Log phase
Stationary phase
Decline phase
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