Life Sciences
GATE XL discipline:life-sciences PYQs
Build your understanding with focused practice from past exam papers.
Questions 1101–1110 of 1235. Imported answers require independent review unless marked reviewed.
Question 11
Open questionXL-UMCQ2 marksNeeds review
Match the commodity in Group I with the bioactive constituent in Group II
Group I
P. Ginger
Q. Green tea
R. Spinach
S. Turmeric
Group II
Lutein
Gingerol
Curcum
Epigallocatechin gallate
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Open questionXL-UMCQ2 marksNeeds review
Match the process operation in Group I with the separated constituent in Group II
Group I
P. Extraction
Q. Deguming
R. Neutralization
S. Bleaching
Group II
Phospholipids
Free fatty acids
Pigments
Crude oil
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Open questionXL-UMCQ2 marksNeeds review
Match the spoilage symptom in Group I with the causative microorganism in Group II
Group I
P. Green rot of eggs
Q. Putrid smell in canned fish
R. Red bread
S. Yellow discoloration of meat
Group II
Micrococus spp.
Serretia marcescens
Pseudomonas fluorescen
Clostridium sporogens
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Open questionXL-UMCQ2 marksNeeds review
Match the fermented product in Group I with the base material in Group II
Group I
P. Sake
Q. Churpi
R. Natto
S. Sauerkraut
Group II
Milk
Cabbage
Rice
Soybean
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Open questionXL-UMCQ2 marksNeeds review
Match the operation in Group I with the process in Group II
Group I
P. Cleaning
Q. Grading
R. Size reduction
S. Filtration
Group II
Quality separation
Clarification
Screening
Comminution
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Open questionXL-UMCQ2 marksNeeds review
Out of 7 principles of HACCP system, 4 are listed below. Arrange these principles in the order in which they are applied.
(P) Conduct a hazard analysis
(Q) Establish monitoring process
(R) Establish critical limit
(S) Establish record keeping and documentation process
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Open questionXL-UMCQ2 marksNeeds review
Identify an example of a classical diffusional mass transfer process with out involving heat, among the following.
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Open questionXL-UNAT2 marksNeeds review
For an enzyme catalyzed reaction S → P, the kinetic parameters are:
[S] = 40 μM, V₀ = 9.6 μM s⁻¹ and Vₘₐₓ = 12.0 μM s⁻¹.
The Kₘ of the enzyme in μM will be ______.(up to one decimal points)
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Open questionXL-UNAT2 marksNeeds review
A microbial sample taken at 10 AM contained 1x10⁵ CFU/mL. The count reached to 1x10¹⁰ CFU/mL at 8 PM of the same day. The growth rate (h⁻¹) of the microorganism would be ______.(up to two decimal points)
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Open questionXL-UNAT2 marksNeeds review
The rate of heat transfer per unit area from a metal plate is 1000 W m⁻². The surface temperature of the plate is 120°C and ambient temperature is 20°C. The convective heat transfer coefficient (W m⁻² °C⁻¹) using the Newton’s law of cooling will be ______.
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