Life Sciences
GATE XL kind:question PYQs
Build your understanding with focused practice from past exam papers.
Questions 501–510 of 1235. Imported answers require independent review unless marked reviewed.
Question 13
Open questionXL-PMCQ1 markNeeds review
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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Open questionXL-PMCQ1 markNeeds review
Among the following, the one having smallest bond angle is
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Open questionXL-PMCQ1 markNeeds review
Which of the following is the CORRECT statement about hexoses?
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Open questionXL-PMCQ1 markNeeds review
The bases present in DNA are
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Open questionXL-PMCQ1 markNeeds review
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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Open questionXL-PMSQ2 marksNeeds review
Consider the following reaction:

The CORRECT statement(s) related to mono-chlorination at carbon-2 position is/are
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Open questionXL-PMSQ2 marksNeeds review
Consider the following enzyme catalyzed reaction:

where E is enzyme, S is substrate, ES is enzyme-substrate complex and P is product.
The CORRECT statement(s) for the above reaction is/are
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