Life Sciences
2024 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE XL 2024 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
Among the following, the structure representing histidine 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 answerQuestion 14
Open questionXL-PMCQ1 markNeeds review
The CORRECT order of acidity of the following compounds 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 answerQuestion 15
Open questionXL-PMCQ1 markNeeds review
The molecules A and B are a pair of ____________.

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