Life Sciences
GATE XL exam:gate PYQs
Build your understanding with focused practice from past exam papers.
Questions 1201–1210 of 1235. Imported answers require independent review unless marked reviewed.
Question 91
Open questionXL-TMCQ2 marksNeeds review
Match the following molecules in Group I with their function in Group II
Group I
P. Transferrin
Q. Insulin
R. α-macroglobulin
S. Fibronectin
Group II
(i) Uptake of glucose
(ii) Binds iron
(iii) Substratum for cell attachment
(iv) Proteinase inhibitor
(v) Binds to oxygen in RBC
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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 92
Open questionXL-TMCQ2 marksNeeds review
If a heavy chain of an antibody molecule weighs 65,000 Daltons (Da) and a light chain weighs 25,000 Da, the approximate calculated weight of an IgM antibody in Da will be
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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 93
Open questionXL-TMCQ2 marksNeeds review
MATCH the signaling pathways in Group I with their functions in Group II, during the process of development
Group I
P. Hedgehog signaling
Q. Hox proteins
R. Wnt signaling
S. Notch signaling
Group II
(i) Involved in signaling at 4-cell embryo stage in C. elegans through glp 1 expression
(ii) Involves frizzled receptor on target cell membrane and establish polarity in insects
(iii) Plays critical role in facial morphogenesis in vertebrates and its mutation causes cyclopia
(iv) Required for T-bx transcription factor expression for vertebrate limb development
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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 94
Open questionXL-TNAT2 marksNeeds review
In a population which is in Hardy-Weinberg equilibrium, the frequency of the recessive genotype of a certain trait is 0.09. The percentage of individuals with heterozygous genotype is __ %
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Open questionXL-TNAT2 marksNeeds review
An enzyme preparation has activity of 2 Units per 20 μl, and protein concentration 0.4 mg/ml. The specific activity (Units/mg) of this enzyme will be _____
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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 96
Open questionXL-UMCQ1 markNeeds review
Indicate the correct group that contains a monosaccharide, a disaccharide and a trisaccharide.
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In which of the following products, ‘must’ is used as the substrate for fermentation?
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Identify the foodborne illness which is not caused by bacteria.
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Nutrient composition of wheat flour changes with extent of extraction from whole wheat grain. Which of the following statements is true if the extraction rate increased from 50% to 90%?
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Open questionXL-UNAT1 markNeeds review
You have two samples of milk, one (X) with 3.8% fat and another (Y) with 0.5% fat. In order to produce a milk with 3.5% fat, 100 ml of Y should be mixed with ______ ml of X.
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