Life Sciences
GATE XL year:2017 PYQs
Build your understanding with focused practice from past exam papers.
How to practice year:2017
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–10 of 125. Imported answers require independent review unless marked reviewed.
Question 1
Open questionXL-PMCQ1 markNeeds review
CO reacts readily with
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Molecules that are NOT isoelectronic to NO₂⁺ ion are
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The extensive quantity among the following is
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The compound that gives characteristic foul smell upon heating with potassium hydroxide and chloroform is
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The correct order of stability in water is
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Open questionXL-PMCQ2 marksNeeds review
The pair of molecules having non-linear structures is
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The decreasing order of bond lengths for O₂, B₂, N₂ and C₂ is
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The octahedral metal oxide with the highest CFSE value is
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Open questionXL-PMCQ2 marksNeeds review
Assuming independent non-interacting electrons, the first ionization energy of Helium atom is
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Open questionXL-PMCQ2 marksNeeds review
For a reaction A + B ⟶ products, the following data was obtained.
[A]₀ (M) | [B]₀ (M) | Initial rate |
|---|---|---|
0.1 | 0.1 | r |
0.2 | 0.1 | 4r |
0.1 | 0.2 | 2r |
A₀ and B₀ are initial concentrations of A and B, respectively. The overall order of the reaction is
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