Life Sciences
GATE XL year:2022 PYQs
Build your understanding with focused practice from past exam papers.
Questions 11–20 of 122. Imported answers require independent review unless marked reviewed.
Question 11
Open questionXL-PMCQ1 markNeeds review
Consider a second order reaction,
The concentration of A is represented as [A].
Which of the following is the CORRECT plot for determining the rate constant for the above reaction?
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Which among the following has the least second ionization energy?
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Which among the following metal ions has the highest enthalpy of hydration? (Assume the given metal ions have the same counter ion.) Given: Atomic numbers of Ti, V, Cr and Mn are 22, 23, 24 and 25, respectively.
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Among the following, the one having smallest bond angle is
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Which of the following is the CORRECT statement about hexoses?
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The bases present in DNA are
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The CORRECT order of basicity for the following compounds is

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Open questionXL-PMCQ1 markNeeds review
Molar conductance of monobasic acid at infinite dilution is calculated to be
at 25 °C. The value of
is (round off to the nearest integer)Given:
Electrolyte | Limiting molar conductance at 25 °C in |
|---|---|
| 427.95 |
| 151.64 |
| 112.72 |
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Open questionXL-PNAT1 markNeeds review
A sample of benzene, contaminated with a non-volatile and non-ionic solute, boils at 0.31°C higher than that of pure benzene. The molality of the solute in the contaminated solution is _____ (round off to two decimal places).
Given: Gas constant =
Molecular weight of benzene is
Normal boiling point of benzene is
Enthalpy of vaporization of benzene is
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Open questionXL-PMCQ2 marksNeeds review
Among the following statements about cobalt complexes, which is/are CORRECT?
Given: Atomic number of Co is 27
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