IB BIOLOGY EXAM STUDY GUIDE 2026
COMPLETE QUESTIONS AND ANSWERS
◉Xylem. Answer: vascular tissue that carries water upward from the
roots to every part of a plant
◉Pholem. Answer: type of vascular tissue that carries nutrients,
food , and dissolved sugars from place to place inside the cell
◉Hydrophilic. Answer: water loving
◉Hydrophobic. Answer: Water fearing
◉nonpolar covalent bond. Answer: a covalent bond in which the
electrons are shared equally by the two atoms
◉Methane. Answer: non polar substance example
◉monosachharides. Answer: monomer of carbohydrates; linked
together by condensation reactions to form disaccharides
, ◉Types of fatty acids. Answer: saturated, monounsaturated,
polyunsaturated
◉Unsaturated Isomers. Answer: cis and trans
◉Triglycerides. Answer: formed by condensation from three fatty
acids and one glycerol
◉dehydration synthesis (condensation reaction). Answer:
◉examples of polysaccharides (all made of glucose). Answer: starch,
glycogen, cellulose
◉Cellulose. Answer: major component of cell walls, helps give
rigidity support to roots, stems, and leaves
◉Starch. Answer: A storage polysaccharide in plants consisting
entirely of glucose; usually located in roots
◉Glycogen. Answer: Storage form of glucose in animals; usually
located in liver and muscle tissue
◉saturated fatty acid. Answer: carbons are saturated with hydrogen
atoms; generally solid at room temperature; no double bonds
COMPLETE QUESTIONS AND ANSWERS
◉Xylem. Answer: vascular tissue that carries water upward from the
roots to every part of a plant
◉Pholem. Answer: type of vascular tissue that carries nutrients,
food , and dissolved sugars from place to place inside the cell
◉Hydrophilic. Answer: water loving
◉Hydrophobic. Answer: Water fearing
◉nonpolar covalent bond. Answer: a covalent bond in which the
electrons are shared equally by the two atoms
◉Methane. Answer: non polar substance example
◉monosachharides. Answer: monomer of carbohydrates; linked
together by condensation reactions to form disaccharides
, ◉Types of fatty acids. Answer: saturated, monounsaturated,
polyunsaturated
◉Unsaturated Isomers. Answer: cis and trans
◉Triglycerides. Answer: formed by condensation from three fatty
acids and one glycerol
◉dehydration synthesis (condensation reaction). Answer:
◉examples of polysaccharides (all made of glucose). Answer: starch,
glycogen, cellulose
◉Cellulose. Answer: major component of cell walls, helps give
rigidity support to roots, stems, and leaves
◉Starch. Answer: A storage polysaccharide in plants consisting
entirely of glucose; usually located in roots
◉Glycogen. Answer: Storage form of glucose in animals; usually
located in liver and muscle tissue
◉saturated fatty acid. Answer: carbons are saturated with hydrogen
atoms; generally solid at room temperature; no double bonds
