Life Sciences
GATE XL concept:water-storage PYQs
Build your understanding with focused practice from past exam papers.
How to practice concept:water-storage
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 1–3 of 3. Imported answers require independent review unless marked reviewed.
Question 110
Open questionXL-UNAT1 markNeeds review
Orange juice is packaged aseptically and stored under ambient conditions. The degradation of vitamin C in the juice occurs during storage and it follows first order reaction kinetics. The degradation rate constant is 5.2×10⁻³ day⁻¹. The half-life of vitamin C in days is __________ (in integer).
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Open questionXL-UMCQ2 marksNeeds review
Which one of the following statements is INCORRECT with respect to Controlled Atmosphere Package (CAP) and Modified Atmosphere Package (MAP) of agro-produce?
Your answerChoose one option.
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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 18
Open questionXL-UMCQ2 marksNeeds review
Match the absorber used in modified atmosphere packaging and storage in Column I with the scavenger in Column II.
Column I | Column II
P. Oxygen absorber | 1. Calcium chloride
Q. Carbon dioxide absorber | 2. Magnesium oxide
R. Ethylene absorber | 3. Ferric oxide
S. Moisture absorber | 4. Potassium permanganate
Your answerChoose one option.
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