Life Sciences
GATE XL discipline:life-sciences PYQs
Build your understanding with focused practice from past exam papers.
Questions 11–20 of 1235. Imported answers require independent review unless marked reviewed.
Question 11
Open questionXL-PMCQ1 markNeeds review
10 mM aqueous HCl is added dropwise to 10 mL of 1 mM aqueous NaOH. The qualitative plot of conductivity (
) against the number of drops of HCl (
) isYour answerChoose one option.
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Open questionXL-PMCQ1 markNeeds review
Upon hydrolysis of the pentapeptide Glu-Arg-Gly-Phe-Ala (represented from N- to C- terminus) with trypsin, the peptide fragments obtained are
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Open questionXL-PMCQ1 markNeeds review
The major product formed in the following reaction is

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Open questionXL-PMCQ1 markNeeds review
The CORRECT order of ionic character (in percentage) among the following is
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Open questionXL-PMSQ1 markNeeds review
The CORRECT combination(s) of element and their ground state electronic configuration is/are
(Atomic Numbers: Ar-18, Sc-21, Cr-24, Mn-25 and Fe-26)
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Open questionXL-PMSQ1 markNeeds review
The major component(s) of phosphate buffer at physiological pH of 7.4 is/are
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Open questionXL-PNAT1 markNeeds review
The total number of distinct stereoisomers for the following compound is ________ (in integer).

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Open questionXL-PNAT1 markNeeds review
For the reaction A → products,
the half-life is independent of the initial concentration of A.
The order of the reaction is ______________ (in integer).
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Open questionXL-PNAT1 markNeeds review
Among the following, the number of molecules possessing one or more lone pairs on the central atom is ______________ (in integer).
BeCl₂ SnCl₂ BF₃ NH₃ SF₄ PF₅ and SF₆
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Open questionXL-PMCQ2 marksNeeds review
An ideal gas in an insulated container expands against zero external pressure. For this expansion, the CORRECT statement is
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