Life Sciences
2025 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE XL 2025 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 13–15 of 122. Imported answers require review unless explicitly marked reviewed.
Question 13
Open questionXL-PMCQ1 markNeeds review
The bond order in
species isYour answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 14
Open questionXL-PMCQ1 markNeeds review
The standard enthalpy of the reaction,
is found to be
and the
value for CO (g) is
.
The value of
(in
) for H
O (g) is(The standard enthalpies of formation of elements in their reference states are zero at all temperatures)
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 15
Open questionXL-PMCQ1 markNeeds review
The temperature dependence of reaction rates is generally given by the Arrhenius equation. A plot of
against
is a straight line from which the pre-exponential factor ‘A’ and the activation energy ‘
’ can be determined.The CORRECT option regarding this plot is
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer