Life Sciences
GATE XL branch:xl PYQs
Build your understanding with focused practice from past exam papers.
Questions 591–600 of 1235. Imported answers require independent review unless marked reviewed.
Question 103
Open questionXL-TNAT2 marksNeeds review
The average body length of Drosophila nasuta collected from Andaman and Nicobar Islands is 2 mm. From this population, a few males and females having a body length of 3 mm were selected and interbred. The average body length of the resultant progeny was 2.5 mm. The heritability (h²) of the body length in this population is _______. (round off to one decimal place)
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Open questionXL-UMCQ1 markNeeds review
Which among the given options truly depict the lines 1 and 2 in the figure below with respect to the effect of heat processing on food?
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 105
Open questionXL-UMCQ1 markNeeds review
Homogenization of milk leads to disintegration of fat globules by
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Open questionXL-UMCQ1 markNeeds review
The lowest water activity (a_w) supporting the growth of Staphylococcus aureus in food under aerobic condition is
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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 107
Open questionXL-UMSQ1 markNeeds review
Cultures used in industrial production of yogurt are
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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 108
Open questionXL-UMSQ1 markNeeds review
In a dairy plant, spray drying technology is used to produce whey powder. The rate of spray drying depends on
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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 109
Open questionXL-UMSQ1 markNeeds review
The parboiling of paddy results into
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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 110
Open questionXL-UNAT1 markNeeds review
One hundred kg paddy is dried from 18% wet basis to 13% wet basis moisture content. The amount of water removed (in kg) from the paddy is ______ (round off to one decimal place).
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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 111
Open questionXL-UNAT1 markNeeds review
In a canning industry, the total process time (F₀) was calculated as 3 min. If each can contains 20 spores having decimal reduction time of 1.6 min, the probability of spoilage would be _____ in 100 cans (round off to the nearest integer).
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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 112
Open questionXL-UMCQ2 marksNeeds review
Match the edible oil refining stages given in Column I with their respective functions in Column II.
Column I
P. Degumming
Q. Neutralization
R. Bleaching
S. Winterization
Column II
Separation of waxes
Remove of pigments
Remove of phosphates
Remove of free fatty acids
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