Life Sciences
2019 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE XL 2019 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 67–69 of 125. Imported answers require review unless explicitly marked reviewed.
Question 2
Open questionXL-SMCQ1 markNeeds review
Which of the following radiation methods is used in preserving food from spoilage by microorganisms?
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Open questionXL-SMCQ1 markNeeds review
Which part of the lipopolysaccharides has toxic properties that make some bacterial infections a potentially serious medical problem?
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Open questionXL-SMCQ1 markNeeds review
Microbes make up about __________ of earth’s living material by weight.
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