Life Sciences
GATE XL discipline:life-sciences PYQs
Build your understanding with focused practice from past exam papers.
Questions 511–520 of 1235. Imported answers require independent review unless marked reviewed.
Question 23
Open questionXL-PMSQ2 marksNeeds review
Consider the following reaction:

The CORRECT pathway(s) involved in the reaction is/are
Your answerSelect all correct options. You can choose more than one.
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Open questionXL-PNAT2 marksNeeds review
An aqueous solution of aspirin (HA) is prepared at pH 7.4. The ratio of concentration of A
and HA at equilibrium is ______ (round off to the nearest integer).Given:
of aspirin is
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Open questionXL-PNAT2 marksNeeds review
The total number of 3-centre-2-electron bonds in B
H
is ______ (in integer).Log in to check the answer
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Open questionXL-PNAT2 marksNeeds review
The equilibrium constant for isomerization of 1-butene to trans-2-butene at 27 °C is ______ (round off to one decimal place).
Given: Gas constant = 8.314 J K
mol
of 1-butene = +71.39 kJ mol
of trans-2-butene = +63.06 kJ mol
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Open questionXL-PNAT2 marksNeeds review
A 16 mW monochromatic light emits
photons in 1 second. When this light incidents on a metal strip, photoelectrons are emitted. The wavelength of the emitted photoelectrons (in Å) is ______ (round off to one decimal place).Given: Work function of the metal = 2.0 eV
Charge of an electron =
CMass of an electron =
kgPlanck’s constant =
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Open questionXL-QMCQ1 markNeeds review
Which of the immune cells listed below are agranular?
P. Eosinophils
Q. Mast cells
R. Monocytes
S. T-cells
Your answerChoose one option.
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Open questionXL-QMCQ1 markNeeds review
Which one of the following enzymes is located in the outer mitochondrial membrane?
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Open questionXL-QMCQ1 markNeeds review
Which one of the following statements about the DNA polymerase II of E. coli is NOT correct?
Your answerChoose one option.
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Open questionXL-QMCQ1 markNeeds review
Which one of the following compounds is NOT a translation inhibitor?
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Open questionXL-QNAT1 markNeeds review
A dye was allowed to undergo migration on a chromatographic paper using a solvent. The dye, and the solvent-front migrated 5 and 20 cm, respectively, from the point of origin. The retention factor (rounded off to two places of decimals) for the dye is _____.
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