Life Sciences
GATE XL topic:microbial-taxonomy-diversity PYQs
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How to practice topic:microbial-taxonomy-diversity
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–10 of 20. Imported answers require independent review unless marked reviewed.
Question 67
Open questionXL-SMCQ1 markNeeds review
The genome of which one of the following viruses encodes reverse transcriptase?
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Open questionXL-SMCQ2 marksNeeds review
Which one of the following options correctly matches the microbial names in Column I with their corresponding sources of epithet in Column II?
Column I Column II
(P) Klebsiella pneumoniae (i) causes spor in mice
(Q) Penicillium chrysogenum (ii) forms pus
(R) Salmonella typhimurium (iii) the disease it causes
(S) Streptococcus pyogenes (iv) produces a yellow pigment
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 68
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Correctly match the bacterial type in Column I with their corresponding environmental niche in Column II.
Column I
P. Psychrophile
Q. Barophile
R. Mesophile
S. Halophile
Column II
i. Pressure greater than 380 atm
ii. Temperature between 15°C and 45°C
iii. Temperature below 15°C
iv. pH less than 3.0
v. Salt concentration greater than 2M
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 75
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Carl Woese established that short subunit rRNA sequences can be used to reveal evolutionary relationships between various organisms. Based on this, which one of the following options is the established phylogenetic arrangement of the three domains of life?

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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 79
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Which of the following statements regarding micro-organisms is/are correct?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 67
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Which one of the following organisms has axial filaments?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 77
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Which of the following cocci is/are examples of division in one plane?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 66
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Monkey pox is caused by a
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 79
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Which of the following genus is/are a spirochete(s)?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 81
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Which of the following statements are TRUE for archaea?
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