IB Biology SL Exam Question &
Answers ( Latest 2025 )
Organic compound - CORRECT ANSWERS ✔✔A
compound that contains carbon found in living organisms,
excluding carbonates and oxides
Enzyme - CORRECT ANSWERS ✔✔Biological catalysts
made of protein that speed up the rate of a reaction
Active site - CORRECT ANSWERS ✔✔The region of an
enzyme where the substrate binds
Denaturation - CORRECT ANSWERS ✔✔A structural
change in the 3-D shape of a protein causing the loss of
its chemical properties
Cell respiration - CORRECT ANSWERS ✔✔The
controlled release of enrgy from organic compiunds in
cells to form ATP
Gene - CORRECT ANSWERS ✔✔A heritable factor that
controls a specific characteristic
Alleles - CORRECT ANSWERS ✔✔Specific forms of a
gene, differing by one or few bases only and occupying
the same locus of the gene
, IB Biology SL Exam Question &
Answers ( Latest 2025 )
Genome - CORRECT ANSWERS ✔✔The whole of the
genetic information of an organism
Gene mutation - CORRECT ANSWERS ✔✔A change in
the gene sequence
Homologous chromosomes - CORRECT ANSWERS
✔✔Chromosomes similar in structure, with the same
genes, but coming from different parents
Genotype - CORRECT ANSWERS ✔✔The alleles of an
organism
Phenotype - CORRECT ANSWERS ✔✔The
characteristics lof an organism
Dominant allele - CORRECT ANSWERS ✔✔An allele
that has the same effect on the phenotype in the
homozygous of heterozygous state
Recessive allele - CORRECT ANSWERS ✔✔An allele
that only affects the phenotype in the homozygous state
Answers ( Latest 2025 )
Organic compound - CORRECT ANSWERS ✔✔A
compound that contains carbon found in living organisms,
excluding carbonates and oxides
Enzyme - CORRECT ANSWERS ✔✔Biological catalysts
made of protein that speed up the rate of a reaction
Active site - CORRECT ANSWERS ✔✔The region of an
enzyme where the substrate binds
Denaturation - CORRECT ANSWERS ✔✔A structural
change in the 3-D shape of a protein causing the loss of
its chemical properties
Cell respiration - CORRECT ANSWERS ✔✔The
controlled release of enrgy from organic compiunds in
cells to form ATP
Gene - CORRECT ANSWERS ✔✔A heritable factor that
controls a specific characteristic
Alleles - CORRECT ANSWERS ✔✔Specific forms of a
gene, differing by one or few bases only and occupying
the same locus of the gene
, IB Biology SL Exam Question &
Answers ( Latest 2025 )
Genome - CORRECT ANSWERS ✔✔The whole of the
genetic information of an organism
Gene mutation - CORRECT ANSWERS ✔✔A change in
the gene sequence
Homologous chromosomes - CORRECT ANSWERS
✔✔Chromosomes similar in structure, with the same
genes, but coming from different parents
Genotype - CORRECT ANSWERS ✔✔The alleles of an
organism
Phenotype - CORRECT ANSWERS ✔✔The
characteristics lof an organism
Dominant allele - CORRECT ANSWERS ✔✔An allele
that has the same effect on the phenotype in the
homozygous of heterozygous state
Recessive allele - CORRECT ANSWERS ✔✔An allele
that only affects the phenotype in the homozygous state
