IB BIOLOGY FINAL PAPER 2026 QUESTIONS
WITH SOLUTIONS GRADED A+
◉Metabolism. Answer: the chemical processes (enzyme catalyzed)
that occur within a living organism in order to maintain life.
◉Anabolism. Answer: the synthesis of complex molecules in living
organisms from simpler ones, including ther formation of
macrolmes from monomers by condensation reactions
◉Catabolism. Answer: the breakdown of complex molecules into
simpler molecules, including the hydrolysis of macromolecules into
monomers.
◉Insulin. Answer: protein hormone that facilitates the movement of
glucose form the bloodstream to the interior of cells
◉organic chemistry. Answer: the study of all chemicals containing
carbon
◉Subcomponent of carbohydrates. Answer: monosaccharides
, ◉subcomponent of lipids. Answer: Glycerol, fatty acids, phosphate
groups
◉Subcomponent of proteins. Answer: amino acids
◉subcomponent of nucleic acids. Answer: nucleotides
◉carbohydrate subcategories. Answer: monosaccharides,
disaccharides, polysaccharides
◉Lipid subcategories. Answer: triglycerides, phospholipids, steroids
◉Protein examples. Answer: enzymes, antibodies, peptide
hormones
◉Monosaccharide examples. Answer: glucose, fructose, galactose,
ribose, deoxyribose
◉Disaccharide examples. Answer: sucrose, lactose, maltose
◉polysaccharide examples. Answer: starch, glycogen, cellulose,
chitin
WITH SOLUTIONS GRADED A+
◉Metabolism. Answer: the chemical processes (enzyme catalyzed)
that occur within a living organism in order to maintain life.
◉Anabolism. Answer: the synthesis of complex molecules in living
organisms from simpler ones, including ther formation of
macrolmes from monomers by condensation reactions
◉Catabolism. Answer: the breakdown of complex molecules into
simpler molecules, including the hydrolysis of macromolecules into
monomers.
◉Insulin. Answer: protein hormone that facilitates the movement of
glucose form the bloodstream to the interior of cells
◉organic chemistry. Answer: the study of all chemicals containing
carbon
◉Subcomponent of carbohydrates. Answer: monosaccharides
, ◉subcomponent of lipids. Answer: Glycerol, fatty acids, phosphate
groups
◉Subcomponent of proteins. Answer: amino acids
◉subcomponent of nucleic acids. Answer: nucleotides
◉carbohydrate subcategories. Answer: monosaccharides,
disaccharides, polysaccharides
◉Lipid subcategories. Answer: triglycerides, phospholipids, steroids
◉Protein examples. Answer: enzymes, antibodies, peptide
hormones
◉Monosaccharide examples. Answer: glucose, fructose, galactose,
ribose, deoxyribose
◉Disaccharide examples. Answer: sucrose, lactose, maltose
◉polysaccharide examples. Answer: starch, glycogen, cellulose,
chitin
