Life Sciences
GATE XL year:2021 PYQs
Build your understanding with focused practice from past exam papers.
Questions 41–50 of 125. Imported answers require independent review unless marked reviewed.
Question 16
Open questionXL-QMSQ2 marksNeeds review
The high energy compound(s) is/are:
Your answerSelect all correct options. You can choose more than one.
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 17
Open questionXL-QMSQ2 marksNeeds review
Given below are four plots obtained from separate experiments on enzyme inhibition kinetics. The velocity (v) of the reaction is plotted at varying concentrations of substrate (s) and inhibitor (I). The plot(s) corresponding to competitive inhibition is/are
Your answerSelect all correct options. You can choose more than one.
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 18
Open questionXL-QMSQ2 marksNeeds review
With respect to sodium dodecyl sulphate - polyacrylamide gel electrophoresis (SDS-PAGE), which of these statement(s) is/are true?
Your answerSelect all correct options. You can choose more than one.
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 19
Open questionXL-QMSQ2 marksNeeds review
In the plot given below, the solid line represents oxygen binding to hemoglobin under physiological conditions. The broken line represents the condition(s) of
Your answerSelect all correct options. You can choose more than one.
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 20
Open questionXL-QMSQ2 marksNeeds review
Considering the open chain forms, which of the following pair(s) represent/s an epimer?
Your answerSelect all correct options. You can choose more than one.
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 1
Open questionXL-RMCQ1 markNeeds review
What plants treated with prolonged cold temperature at the seedling stage flower earlier than the untreated control. Seeds collected from these treated individuals, however, give rise to plants that do not flower early. This phenomenon is called
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 2
Open questionXL-RMCQ1 markNeeds review
Which ONE of the following plant taxa contains vascular tissue (xylem and phloem) but not woody tissue?
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 3
Open questionXL-RMCQ1 markNeeds review
Which ONE of the following statements regarding spores and gametes is CORRECT?
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 4
Open questionXL-RMCQ1 markNeeds review
Which ONE of the following organelles controls gravitropism in the roots of higher plants?
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 5
Open questionXL-RMCQ1 markNeeds review
Phytoalexins play important role in plant defense against pathogens. Choose the INCORRECT option related to phytoalexins.
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