Q.1 Which tool aligns short DNA reads to a reference genome?
BLAST
BWA
ClustalW
MAFFT
Explanation - BWA is designed for high‑speed alignment of short reads.
Correct answer is: BWA
Q.2 What database stores 3D protein structures?
UniProt
PDB
Ensembl
KEGG
Explanation - Protein Data Bank (PDB) archives experimentally determined structures.
Correct answer is: PDB
Q.3 Which tool predicts gene function from sequences?
InterProScan
MUSCLE
BLASTP
MAFFT
Explanation - InterProScan integrates multiple protein signature databases.
Correct answer is: InterProScan
Q.4 Which database provides metabolic pathway maps?
Reactome
KEGG
NCBI RefSeq
Gene Ontology
Explanation - KEGG contains curated metabolic pathways.
Correct answer is: KEGG
Q.5 What program performs multiple sequence alignment for proteins?
T-Coffee
MUSCLE
BWA
BLAST
Explanation - MUSCLE is fast and accurate for protein MSAs.
Correct answer is: MUSCLE
Q.6 Which tool assembles genomes from long reads?
SPAdes
Canu
BWA
SAMtools
Explanation - Canu specializes in long‑read assembly (PacBio, ONT).
Correct answer is: Canu
Q.7 Which database catalogs non‑coding RNAs?
miRBase
Rfam
RefSeq
GenBank
Explanation - Rfam contains families of structured RNA elements.
Correct answer is: Rfam
Q.8 What tool identifies genetic variants in sequencing data?
GATK
MAFFT
BWA
CLUSTAL
Explanation - Genome Analysis Toolkit (GATK) calls SNPs and indels.
Correct answer is: GATK
Q.9 Which database offers curated gene‑disease associations?
OMIM
KEGG
PDB
InterPro
Explanation - Online Mendelian Inheritance in Man (OMIM) catalogs disease genes.
Correct answer is: OMIM
Q.10 What tool visualizes genomic data tracks in a browser?
IGV
BLAST
MAFFT
SAMtools
Explanation - Integrated Genomics Viewer (IGV) displays alignment tracks.
Correct answer is: IGV
Q.11 Which database contains curated protein‑protein interactions?
STRING
Reactome
RefSeq
Rfam
Explanation - STRING aggregates known and predicted interactions.
Correct answer is: STRING
Q.12 What algorithm is used in BLAST for rapid search?
Smith‑Waterman
Seed‑and‑extend
Dynamic programming
Heuristic matching
Explanation - BLAST uses short word seeds to find initial matches.
Correct answer is: Seed‑and‑extend
Q.13 Which tool performs phylogenetic tree construction from alignments?
MEGA
MAFFT
BLASTP
BWA
Explanation - MEGA builds trees using maximum likelihood or neighbor joining.
Correct answer is: MEGA
Q.14 What is the primary format for storing alignment data?
FASTA
SAM
BED
VCF
Explanation - SAM (Sequence Alignment/Map) holds alignment information.
Correct answer is: SAM
Q.15 Which database contains RNA‑seq expression profiles?
Expression Atlas
KEGG
UniProt
PDB
Explanation - Expression Atlas catalogs transcriptomic data across conditions.
Correct answer is: Expression Atlas
Q.16 Which tool detects copy‑number variations from sequencing?
Control-FREEC
MAFFT
BWA
ClustalW
Explanation - FREEC estimates CNV using read‑depth normalization.
Correct answer is: Control-FREEC
Q.17 Which database lists enzyme reactions and genes?
KEGG
PDB
Reactome
NCBI Taxonomy
Explanation - KEGG connects enzymes to metabolic reactions.
Correct answer is: KEGG
Q.18 What is the purpose of the UCSC Genome Browser?
Read mapping
Gene annotation
Protein modeling
Variant calling
Explanation - UCSC Browser visualizes gene models and annotations.
Correct answer is: Gene annotation
Q.19 Which tool annotates transposable elements in genomes?
RepeatMasker
MAFFT
GATK
BWA
Explanation - RepeatMasker identifies and masks repeats.
Correct answer is: RepeatMasker
Q.20 Which database contains curated microRNA sequences?
miRBase
PDB
RefSeq
KEGG
Explanation - miRBase stores microRNA annotation and sequences.
Correct answer is: miRBase
Q.21 What method does GATK’s HaplotypeCaller use for variant calling?
Read‑depth
Graph‑based assembly
Machine learning
BLAST
Explanation - It reconstructs haplotypes via local de Bruijn graph.
Correct answer is: Graph‑based assembly
Q.22 Which tool performs rapid alignment of long noisy reads?
minimap2
SPAdes
BWA
BLAST
Explanation - minimap2 handles noisy long reads efficiently.
Correct answer is: minimap2
Q.23 What is the function of the BED format?
Protein structures
Genomic intervals
Alignment scores
Variant calls
Explanation - BED stores chromosomal coordinate ranges.
Correct answer is: Genomic intervals
Q.24 Which database catalogs human genetic variants with frequencies?
ClinVar
gnomAD
Reactome
PDB
Explanation - gnomAD aggregates allele frequencies from many populations.
Correct answer is: gnomAD
Q.25 What does the 'SAMtools flagstat' command report?
Sequence quality
Alignment statistics
Protein domains
Gene expression
Explanation - It gives counts of mapped/unmapped reads.
Correct answer is: Alignment statistics
Q.26 Which tool predicts secondary structure for RNA?
RNAfold
MAFFT
BWA
CLUSTALW
Explanation - RNAfold computes minimum free energy structures.
Correct answer is: RNAfold
Q.27 Which database provides curated drug–target interactions?
DrugBank
KEGG
PDB
Ensembl
Explanation - DrugBank links drugs to their protein targets.
Correct answer is: DrugBank
Q.28 What is the main purpose of the FASTQ format?
Read alignments
Sequencing reads with quality
Protein models
Variant calls
Explanation - FASTQ stores sequence data and per‑base quality scores.
Correct answer is: Sequencing reads with quality
Q.29 Which tool constructs phylogenetic trees from protein alignments?
PhyML
MAFFT
BWA
ClustalW
Explanation - PhyML uses maximum likelihood for tree inference.
Correct answer is: PhyML
Q.30 Which database provides gene orthology across species?
OrthoDB
UniProt
Reactome
PDB
Explanation - OrthoDB catalogs orthologous gene groups.
Correct answer is: OrthoDB
Q.31 What does the 'BEDTools intersect' command compute?
Overlapping genomic features
Sequence alignment
Variant calling
Protein structure prediction
Explanation - It finds intersecting intervals between BED files.
Correct answer is: Overlapping genomic features
Q.32 Which tool is used for metagenomic taxonomic profiling?
Kraken2
BWA
MAFFT
SAMtools
Explanation - Kraken2 classifies reads to taxa rapidly.
Correct answer is: Kraken2
Q.33 Which database stores enzyme commission (EC) numbers?
UniProt
KEGG
PDB
Rfam
Explanation - UniProt annotates proteins with EC numbers.
Correct answer is: UniProt
Q.34 What is the main use of the VCF format?
Variant calls
Sequence alignment
Gene expression
Protein folding
Explanation - VCF stores SNPs, indels, and other variants.
Correct answer is: Variant calls
Q.35 Which tool aligns paired‑end reads to a reference?
Bowtie2
MAFFT
BLAST
IGV
Explanation - Bowtie2 handles paired‑end mapping efficiently.
Correct answer is: Bowtie2
Q.36 Which database provides curated gene regulatory networks?
RegNetwork
KEGG
PDB
RefSeq
Explanation - RegNetwork catalogs transcription factor interactions.
Correct answer is: RegNetwork
Q.37 What tool performs de novo transcriptome assembly?
Trinity
BWA
MAFFT
GATK
Explanation - Trinity builds transcripts from RNA‑seq data.
Correct answer is: Trinity
Q.38 Which database stores curated metabolic pathways in plants?
PlantCyc
KEGG
PDB
RefSeq
Explanation - PlantCyc focuses on plant-specific metabolic routes.
Correct answer is: PlantCyc
Q.39 Which tool estimates gene expression from RNA‑seq?
featureCounts
BWA
MAFFT
IGV
Explanation - featureCounts tallies reads per gene.
Correct answer is: featureCounts
Q.40 What format holds annotated genomic features like genes?
GTF
FASTA
VCF
SAM
Explanation - GTF stores gene model coordinates.
Correct answer is: GTF
Q.41 Which tool visualizes 3D protein structures interactively?
Jmol
MAFFT
BLAST
SAMtools
Explanation - Jmol renders molecular graphics in browsers.
Correct answer is: Jmol
Q.42 Which database catalogs curated protein–ligand complexes?
PDBbind
KEGG
PDB
RefSeq
Explanation - PDBbind contains binding affinity data.
Correct answer is: PDBbind
Q.43 Which tool performs genome‑wide association studies (GWAS)?
PLINK
BWA
MAFFT
BLAST
Explanation - PLINK analyses large genotype datasets.
Correct answer is: PLINK
Q.44 What does the 'samtools sort' command do?
Sort alignments by position
Convert FASTQ to FASTA
Call variants
Generate phylogenetic trees
Explanation - It orders SAM/BAM records by coordinate.
Correct answer is: Sort alignments by position
Q.45 Which database provides curated orthologs for eukaryotes?
OrthoDB
UniProt
Reactome
PDB
Explanation - OrthoDB lists orthologous groups across taxa.
Correct answer is: OrthoDB
Q.46 Which tool identifies structural variants from WGS data?
Delly
MAFFT
BWA
SAMtools
Explanation - Delly detects inversions, deletions, etc.
Correct answer is: Delly
Q.47 What is the purpose of the UCSC Table Browser?
Query genomic data
Align sequences
Predict proteins
Call variants
Explanation - It extracts custom data sets from the UCSC genome.
Correct answer is: Query genomic data
Q.48 Which database lists curated metabolic enzymes in bacteria?
BRENDA
KEGG
PDB
UniProt
Explanation - BRENDA contains enzyme information for microbes.
Correct answer is: BRENDA
Q.49 Which tool maps RNA‑seq reads to a transcriptome index?
Salmon
BWA
MAFFT
IGV
Explanation - Salmon quantifies transcripts fast and bias‑aware.
Correct answer is: Salmon
Q.50 What format stores compressed alignment data?
BAM
VCF
BED
FASTA
Explanation - BAM is binary, compressed SAM.
Correct answer is: BAM
Q.51 Which database catalogs viral genomes?
ViralZone
KEGG
PDB
RefSeq
Explanation - ViralZone provides virus classification and genomes.
Correct answer is: ViralZone
Q.52 What is the function of the 'BLASTn' program?
DNA–DNA search
Protein–protein search
RNA‑seq alignment
Variant calling
Explanation - BLASTn compares nucleotide sequences.
Correct answer is: DNA–DNA search
Q.53 Which tool clusters similar sequences into families?
CD-HIT
MAFFT
BWA
IGV
Explanation - CD‑HIT groups sequences by similarity.
Correct answer is: CD-HIT
Q.54 Which database contains curated post‑translational modifications?
PhosphoSitePlus
KEGG
PDB
Ensembl
Explanation - PhosphoSitePlus lists experimentally verified PTMs.
Correct answer is: PhosphoSitePlus
Q.55 What format stores read mapping statistics?
SAM
BAM
SAMtools flagstat
VCF
Explanation - flagstat reports mapping metrics.
Correct answer is: SAMtools flagstat
Q.56 Which tool identifies small RNAs from sequencing data?
sRNA‑pred
MAFFT
BWA
BLAST
Explanation - It predicts miRNA and other sRNAs.
Correct answer is: sRNA‑pred
Q.57 Which database stores curated metabolic pathway diagrams for plants?
PlantCyc
KEGG
Reactome
PDB
Explanation - PlantCyc focuses on plant metabolism.
Correct answer is: PlantCyc
Q.58 What does 'MAFFT L-INS-i' mode do?
Accurate alignment with local homology
Fast alignment of long sequences
Protein–protein docking
Variant calling
Explanation - L‑INS‑i uses iterative refinement for accuracy.
Correct answer is: Accurate alignment with local homology
Q.59 Which tool performs rapid read mapping for long reads?
minimap2
Bowtie2
BWA
SAMtools
Explanation - minimap2 handles high‑error long reads.
Correct answer is: minimap2
Q.60 Which database lists curated gene‑expression atlases?
GTEx
KEGG
PDB
UniProt
Explanation - GTEx catalogs tissue‑specific expression data.
Correct answer is: GTEx
Q.61 Which tool is used for RNA secondary structure comparison?
RNAforester
MAFFT
BLAST
BWA
Explanation - RNAforester aligns RNA folds.
Correct answer is: RNAforester
Q.62 What does the 'samtools index' command produce?
BAM index file
FASTA file
GTF file
VCF file
Explanation - It creates a .bai index for fast retrieval.
Correct answer is: BAM index file
Q.63 Which tool predicts coding potential from transcript sequences?
CPAT
MAFFT
BWA
BLAST
Explanation - CPAT estimates coding vs. non‑coding likelihood.
Correct answer is: CPAT
Q.64 Which database provides curated protein families?
Pfam
KEGG
PDB
RefSeq
Explanation - Pfam catalogs protein domains and families.
Correct answer is: Pfam
Q.65 What is the purpose of the 'IGV snapshot' function?
Save visualizations
Align sequences
Call variants
Predict protein structure
Explanation - It exports current view as an image.
Correct answer is: Save visualizations
Q.66 Which tool assembles metagenomic reads into contigs?
MEGAHIT
BWA
MAFFT
BLAST
Explanation - MEGAHIT handles large metagenomic datasets.
Correct answer is: MEGAHIT
Q.67 Which database lists curated epigenetic marks?
ENCODE
KEGG
PDB
Ensembl
Explanation - ENCODE catalogs chromatin modifications.
Correct answer is: ENCODE
Q.68 Which tool performs rapid protein‑protein interaction prediction?
Interactome3D
MAFFT
BWA
BLAST
Explanation - It predicts interactions using structural models.
Correct answer is: Interactome3D
Q.69 What does the 'FastQC' program evaluate?
Sequencing quality metrics
Alignment statistics
Protein folding
Variant calling
Explanation - FastQC reports per‑base quality and GC content.
Correct answer is: Sequencing quality metrics
Q.70 Which database holds curated metabolic reconstructions of organisms?
Recon3D
KEGG
PDB
UniProt
Explanation - Recon3D models human metabolic networks.
Correct answer is: Recon3D
Q.71 Which tool aligns long reads to a reference genome?
minimap2
BWA
BLAST
MAFFT
Explanation - minimap2 is optimized for long‑read mapping.
Correct answer is: minimap2
Q.72 Which database contains curated splice‑variant annotations?
Ensembl
KEGG
PDB
Reactome
Explanation - Ensembl annotates alternative splicing events.
Correct answer is: Ensembl
Q.73 What is the primary use of the GFF3 format?
Genomic feature annotation
Protein structure
Sequence alignment
Variant calling
Explanation - GFF3 describes gene coordinates and features.
Correct answer is: Genomic feature annotation
Q.74 Which tool visualizes genomic annotations on a chromosome?
Circos
MAFFT
BLAST
IGV
Explanation - Circos generates circular genome plots.
Correct answer is: Circos
Q.75 Which database catalogs curated protein‑ligand complexes with affinities?
PDBbind
KEGG
Reactome
UniProt
Explanation - PDBbind includes experimental binding data.
Correct answer is: PDBbind
Q.76 Which tool identifies de‑novo SNPs from aligned reads?
FreeBayes
BWA
MAFFT
IGV
Explanation - FreeBayes is a Bayesian variant caller.
Correct answer is: FreeBayes
Q.77 Which database lists curated gene ontology terms?
GO
KEGG
PDB
Ensembl
Explanation - Gene Ontology provides functional categories.
Correct answer is: GO
Q.78 What is the main output of the 'samtools view' command?
SAM/BAM file
FASTA file
VCF file
GTF file
Explanation - It converts between formats and filters records.
Correct answer is: SAM/BAM file
Q.79 Which tool predicts the effect of missense variants?
SIFT
BLAST
MAFFT
BWA
Explanation - SIFT estimates deleteriousness of amino‑acid changes.
Correct answer is: SIFT
Q.80 Which database holds curated drug resistance mutations?
dbSNP
DrugBank
ClinVar
HIVDB
Explanation - HIVDB catalogs antiretroviral resistance data.
Correct answer is: HIVDB
Q.81 What does 'BLASTx' align against?
Protein databases
DNA databases
RNA databases
Metagenomic reads
Explanation - BLASTx translates DNA to protein for matching.
Correct answer is: Protein databases
Q.82 Which tool assembles transcriptomes from single‑cell RNA‑seq?
Kallisto
Salmon
CellRanger
BWA
Explanation - CellRanger processes 10x Genomics single‑cell data.
Correct answer is: CellRanger
Q.83 Which database catalogs curated gene fusion events?
ChiTaRS
KEGG
PDB
Reactome
Explanation - ChiTaRS compiles fusion transcript data.
Correct answer is: ChiTaRS
Q.84 What format stores raw sequencing reads?
FASTQ
FASTA
SAM
BAM
Explanation - FASTQ includes sequence plus quality scores.
Correct answer is: FASTQ
Q.85 Which tool performs rapid read alignment for short reads?
BWA‑MEM
MAFFT
BLAST
IGV
Explanation - BWA‑MEM is optimized for paired‑end short reads.
Correct answer is: BWA‑MEM
Q.86 Which database catalogs curated protein families with HMMs?
Pfam
KEGG
PDB
Ensembl
Explanation - Pfam provides HMMs for domain detection.
Correct answer is: Pfam
Q.87 Which tool visualizes protein–protein interaction networks?
Cytoscape
MAFFT
BLAST
BWA
Explanation - Cytoscape renders complex interaction graphs.
Correct answer is: Cytoscape
Q.88 What database contains curated human metabolic pathways?
Reactome
KEGG
PDB
Ensembl
Explanation - Reactome offers detailed human pathway maps.
Correct answer is: Reactome
Q.89 Which tool aligns ribosomal RNA sequences to reference?
SILVA
BWA
MAFFT
BLAST
Explanation - SILVA provides curated rRNA reference sequences.
Correct answer is: SILVA
Q.90 Which database catalogs curated glycan structures?
UniCarbKB
KEGG
PDB
Ensembl
Explanation - UniCarbKB stores detailed glycan annotations.
Correct answer is: UniCarbKB
Q.91 What does the 'samtools merge' command combine?
Multiple BAM files
FASTA sequences
VCF variants
GTF annotations
Explanation - It merges aligned read files into one BAM.
Correct answer is: Multiple BAM files
Q.92 Which tool predicts promoter regions in genomes?
PromoterHunter
MAFFT
BLAST
BWA
Explanation - It identifies upstream promoter motifs.
Correct answer is: PromoterHunter
Q.93 Which database holds curated enzyme kinetic data?
BRENDA
KEGG
PDB
Ensembl
Explanation - BRENDA catalogs enzyme reaction constants.
Correct answer is: BRENDA
Q.94 What format stores gene model predictions?
GTF
FASTA
SAM
BAM
Explanation - GTF records gene coordinates and attributes.
Correct answer is: GTF
Q.95 Which tool assembles genomes from Illumina reads?
SPAdes
BWA
MAFFT
BLAST
Explanation - SPAdes reconstructs short‑read assemblies.
Correct answer is: SPAdes
Q.96 Which database provides curated gene–protein interactions?
BioGRID
KEGG
PDB
Ensembl
Explanation - BioGRID catalogs protein–protein interaction data.
Correct answer is: BioGRID
Q.97 What is the primary purpose of the 'IGV navigation bar'?
Navigate to genomic coordinates
Align reads
Call variants
Predict structures
Explanation - It allows jumping to specific loci.
Correct answer is: Navigate to genomic coordinates
Q.98 Which tool performs de‑novo genome assembly from long reads?
Canu
SPAdes
BWA
MAFFT
Explanation - Canu assembles noisy long reads efficiently.
Correct answer is: Canu
Q.99 Which database catalogs curated mitochondrial genomes?
MITOMAP
KEGG
PDB
UniProt
Explanation - MITOMAP lists human mtDNA variations.
Correct answer is: MITOMAP
Q.100 What format is used for storing gene expression matrices?
TSV
FASTA
BAM
SAM
Explanation - TSV holds tab‑separated expression values.
Correct answer is: TSV
Q.101 Which tool clusters transcript sequences into gene families?
OrthoFinder
MAFFT
BLAST
BWA
Explanation - It groups transcripts into orthogroups.
Correct answer is: OrthoFinder
Q.102 Which database contains curated protein–DNA interaction sites?
JASPAR
KEGG
PDB
Ensembl
Explanation - JASPAR provides transcription factor binding motifs.
Correct answer is: JASPAR
Q.103 What does 'FastQ Screen' help detect?
Contamination in sequencing libraries
Variant calls
Protein folds
Alignment accuracy
Explanation - It maps reads to multiple genomes for contamination checks.
Correct answer is: Contamination in sequencing libraries
Q.104 Which tool visualizes differential expression heatmaps?
pheatmap
BLAST
MAFFT
BWA
Explanation - pheatmap generates heatmaps in R.
Correct answer is: pheatmap
Q.105 Which database catalogs curated human protein isoforms?
UniProtKB/Swiss‑Prot
KEGG
PDB
Ensembl
Explanation - It lists canonical protein sequences.
Correct answer is: UniProtKB/Swiss‑Prot
Q.106 What does the 'samtools depth' command compute?
Coverage per base
Alignment scores
Variant frequencies
Gene expression
Explanation - It reports depth of coverage across a region.
Correct answer is: Coverage per base
Q.107 Which tool constructs de‑novo transcriptome assemblies from RNA‑seq?
Trinity
BWA
BLAST
MAFFT
Explanation - Trinity builds full transcript assemblies.
Correct answer is: Trinity
Q.108 Which database provides curated post‑transcriptional regulatory elements?
miRBase
KEGG
PDB
Ensembl
Explanation - miRBase holds miRNA sequences and targets.
Correct answer is: miRBase
Q.109 What is the role of the 'BEDtools intersect' command?
Find overlapping genomic intervals
Align sequences
Call variants
Predict protein domains
Explanation - It identifies shared regions between BED files.
Correct answer is: Find overlapping genomic intervals
Q.110 Which tool performs rapid protein‑sequence similarity search?
DIAMOND
BLAST
MAFFT
BWA
Explanation - DIAMOND is a fast protein aligner.
Correct answer is: DIAMOND
Q.111 Which database catalogs curated gene regulatory motifs?
JASPAR
KEGG
PDB
Ensembl
Explanation - JASPAR contains TF binding motifs.
Correct answer is: JASPAR
Q.112 What format stores genome annotations with hierarchical features?
GFF3
FASTA
SAM
BAM
Explanation - GFF3 supports nested annotations.
Correct answer is: GFF3
Q.113 Which tool predicts subcellular localization of proteins?
SignalP
MAFFT
BLAST
BWA
Explanation - SignalP identifies signal peptides.
Correct answer is: SignalP
Q.114 Which database holds curated gene co‑expression networks?
COEXPRESdb
KEGG
PDB
Ensembl
Explanation - COEXPRESdb compiles co‑expression relationships.
Correct answer is: COEXPRESdb
Q.115 What does 'samtools flagstat' report about a BAM file?
Mapping statistics
Sequence quality
Gene expression
Protein structure
Explanation - It outputs counts of mapped/unmapped reads.
Correct answer is: Mapping statistics
Q.116 Which tool builds phylogenies from genomic alignments?
RAxML
MAFFT
BLAST
BWA
Explanation - RAxML constructs maximum likelihood trees.
Correct answer is: RAxML
Q.117 Which database provides curated bacterial metabolic pathways?
BioCyc
KEGG
PDB
Ensembl
Explanation - BioCyc catalogs bacterial pathways.
Correct answer is: BioCyc
Q.118 What format stores raw RNA‑seq reads?
FASTQ
FASTA
SAM
BAM
Explanation - FASTQ contains sequences and quality scores.
Correct answer is: FASTQ
Q.119 Which tool annotates methylation sites from bisulfite sequencing?
Bismark
MAFFT
BLAST
BWA
Explanation - Bismark aligns bisulfite reads and calls methylation.
Correct answer is: Bismark
Q.120 Which database catalogs curated plant transcription factors?
PlantTFDB
KEGG
PDB
Ensembl
Explanation - PlantTFDB lists plant TF families.
Correct answer is: PlantTFDB
Q.121 What is the purpose of the 'samtools faidx' command?
Index a FASTA file
Align reads
Call variants
Visualize genomes
Explanation - It builds an index for fast random access.
Correct answer is: Index a FASTA file
Q.122 Which tool identifies splice junctions from RNA‑seq data?
STAR
MAFFT
BLAST
BWA
Explanation - STAR maps reads and detects junctions.
Correct answer is: STAR
Q.123 Which database catalogs curated viral proteins?
ViralZone
KEGG
PDB
Ensembl
Explanation - ViralZone provides virus protein info.
Correct answer is: ViralZone
Q.124 What format stores gene expression count matrices?
TSV
FASTA
SAM
BAM
Explanation - TSV contains tab‑separated counts.
Correct answer is: TSV
Q.125 Which tool predicts functional domains within proteins?
InterProScan
MAFFT
BLAST
BWA
Explanation - It scans proteins for known domains.
Correct answer is: InterProScan
Q.126 Which database stores curated metabolic reaction networks?
KEGG
PDB
Ensembl
UniProt
Explanation - KEGG contains annotated reaction networks.
Correct answer is: KEGG