Life Sciences
GATE XL discipline:life-sciences PYQs
Build your understanding with focused practice from past exam papers.
Questions 321–330 of 1235. Imported answers require independent review unless marked reviewed.
Question 77
Open questionXL-SMSQ2 marksNeeds review
Which of the following cocci is/are examples of division in one plane?
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Which of the following event(s) occur(s) during translation in prokaryotes?
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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
Open questionXL-SMSQ2 marksNeeds review
Which of the following is/are consequence(s) of nitrous acid (HNO₂) mediated deamination?
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At root nodules, which of the following C4 organic acid(s) is/are transported across the symbiosome membrane and into bacteroids?
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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
Open questionXL-SMSQ2 marksNeeds review
Which of the following is/are TRUE about the Escherichia coli chromosome?
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Open questionXL-SNAT2 marksNeeds review
At t = 0, the bacterial cell number is 10,000 cells/mL. At t = 480 minutes, the cell number increased to 320,000 cells/mL. The mean generation time during this exponential growth period, rounded off to the nearest integer is ______ minutes.
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Open questionXL-SNAT2 marksNeeds review
A landfill sample was analyzed by dilution and plate techniques for viable bacterial count. When one gram of the landfill sample was diluted 1 × 10⁻⁴ (w/v) it yielded 400 CFU. The viable bacterial count (in million, rounded off to the nearest integer) in one gram landfill sample is ______.
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Open questionXL-SNAT2 marksNeeds review
A fluorescence microscope with an objective lens of numerical aperture (NA) 1.5 is used with light of wavelength (λ) 600 nanometers. The lateral resolution limit of this microscope rounded off to the nearest integer, is ________ nanometers.
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Open questionXL-TMCQ1 markNeeds review
Which one of the following statements about gene expression is INCORRECT?
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Open questionXL-TMCQ1 markNeeds review
Which one of the following tissues/organs is least likely to experience graft rejection when transplanted from a person to an unrelated person?
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