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Who was the microbiologist who isolated streptococcus pneumonia for the first time?
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Louis Pasteur
0%
Edward Jenner
0%
Charles Laveran
0%
Sir Ronald Ross
Explanation
Streptococcus pneumonia is mostly found in pairs and is gram-positive bacteria. Louis Pasteur first isolated them in 1881.
In which year was Penicillin discovered?
0%
1928
0%
1914
0%
1909
0%
1905
Explanation
Penicillin was discovered in 1928 by Alexander Fleming. However, its mass production for commercial use only started in the year 1941.
To which essential process is Okazaki fragments associated?
0%
DNA replication
0%
Mycology
0%
Virology
0%
Nematology
Explanation
Cell proliferation and DNA replication are done using Okazaki fragments. During DNA replication, the Okazaki fragments are formed as lagging strands.
What was the name given to the first virus that was discovered?
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Tobacco mosaic virus
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Influenza
0%
Banna virus
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Ebolavirus
Explanation
The first virus that was discovered and developed was the Tobacco mosaic virus. It was discovered by Dmitry Ivanovsky, who was a Russian microbiologist between 1887 and 1890.
How many nuclei does a Paramecium have?
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2
0%
1
0%
0
0%
4
Explanation
A Paramecium has 2 nuclei, namely, macronucleus and micronucleus. Some other single-celled organisms, such as amoeba, also have 2 nuclei.
Who developed a vaccine against yellow fever?
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Max Theiler
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Howard Walter
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Robert Koch
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Kiyoshi Shiga
Explanation
Vaccine against yellow fever was discovered and developed by Max Theiler. He received a Nobel Prize in Medicine for the same in 1951.
How do bacteria reproduce?
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Binary Fission
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Mitosis
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Meiosis
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Fragmentation
Explanation
Bacteria are single-celled microorganisms, and they reproduce through binary fission. The human body has more bacteria than the number of cells.
What disease does Plasmodium cause?
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Malaria
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HIV
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Dengue
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Chicken Pox
Explanation
Plasmodium is a unicellular eukaryote and is responsible for causing malaria in humans. Infected mosquitoes are the source of the spread of these parasites in humans.
Name the antimicrobial medicine against tuberculosis?
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Isoniazid
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Erythromycin
0%
Penicillin
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Tetracycline
Explanation
Tuberculosis is a bacterial infection that is treated using antibiotics. The antimicrobial drug isoniazid is the most common drug to treat this disease.
Vaccine against smallpox was discovered by which microbiologist?
0%
Edward Jenner
0%
Sir Ronald Ross
0%
Charles Laveran
0%
Louis Pasteur
Explanation
Two virus variants, namely Variola major and Variola minor, together cause the disease smallpox. Edward Jenner discovered the vaccine for this disease in 1796.
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