Life Sciences
2023 · Paper 1
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Complete GATE XL 2023 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 121–122 of 122. Imported answers require review unless explicitly marked reviewed.
Question 121
Open questionXL-UNAT2 marksNeeds review
If D₁₀ for Salmonella in egg yolk is 0.75 kGy, calculate the radiation dose in kGy (rounded off to 2 decimal places) required for reducing the Salmonella count in egg yolk by 8 log cycles.
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Open questionXL-UNAT2 marksNeeds review
The average moisture binding energy of a textured protein product (TP) at 8% moisture content (dry basis) is 3200 cal.mol⁻¹. If the water activity of the TP at the above moisture content is 0.30 at 30 °C, the water activity of the sample at 45 °C is __________ (rounded off to 2 decimal places). The value of Gas constant R = 1.987 cal.mol⁻¹.K⁻¹.
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