Life Sciences
2022 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE XL 2022 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 49–51 of 122. Imported answers require review unless explicitly marked reviewed.
Question 49
Open questionXL-RMCQ1 markNeeds review
With reference to virulence (vir) region of nopaline type Ti plasmid of Agrobacterium tumefaciens, match Group-I (vir gene) and Group-II (coded protein) in CORRECT combination.
Group-I | Group-II
P. vir A | I. Single strand T-DNA binding protein
Q. vir B | II. Topoisomerase
R. vir E | III. Membrane protein, channel for T-DNA
S. vir D | IV. Sensor protein, constitutive expression
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Open questionXL-RMCQ1 markNeeds review
Anomalous secondary growth is observed in
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Open questionXL-RMSQ1 markNeeds review
Which of the following plant diseases is/are caused by bacteria?
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