Life Sciences
2023 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE XL 2023 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 55–57 of 122. Imported answers require review unless explicitly marked reviewed.
Question 55
Open questionXL-RMCQ2 marksNeeds review
Match the tasks given in Group I with the associated techniques conventionally used as listed in Group II.
Group I
P. Ploidy analysis
Q. Profiling DNA methetion
R. Identifying non-coding RNAs
S. Identifying SNPs
T. Satellite DNA isolation
Group II
RNA sequencing
Exome sequencing
Fluorescence in situ hybridization
Bisulfite sequencing
Density-gradient centrifugation
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 56
Open questionXL-RMCQ2 marksNeeds review
Periderm is a protective tissue found in stems and roots of gymnosperm and woody dicotyledons. It contributes to the increased thickness by secondary growth. Match the peridermal components given in Group I with the cell/tissue types given in Group II.
Group I
(P) Phelloids
(Q) Phellogen
(R) Phellem
(S) Phelloderm
Group II
(1) Tissue resembling cortical parenchyma
(2) Cork cambium
(3) Cork-like cells
(4) Cork
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 57
Open questionXL-RMCQ2 marksNeeds review
Match the following rice diseases in Group I with their causal agents in Group II.
Group I
(P) Blast
(Q) False smut
(R) Sheath blight
(S) Downy mildew
Group II
(1) Sclerophthora macrospora
(2) Rhizoctonia solani
(3) Ustilaginoidea virens
(4) Puccinia graminis
(5) Magnaporthe grisea
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