CourseCourseConceptConceptDocsDocuments

IB Biology HL B1.1.9 Formation of Triglycerides and Phospholipids Questions

Practise IB Biology HL B1.1.9 by identifying glycerol and fatty acids in condensation reactions that form triglycerides and phospholipids.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Identify glycerol and fatty acids as the components combined to form a triglyceride.
  • Locate an ester bond formed by condensation between glycerol and a fatty acid in a triglyceride diagram.
  • Identify a phospholipid molecular representation containing glycerol, two fatty acids and a phosphate group.

Learn this topic

Study B1.1.9—Formation of triglycerides and phospholipids conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology HL B1.1.9 Formation of Triglycerides and Phospholipids Questions question 1

[Maximum number: 2]

A triglyceride is shown.

Figure for Question IB Biology HL B1.1.9 Formation of Triglycerides and Phospholipids Questions question 1 — IB Biology HL

Question (a)

(a)

State the two types of molecules that combine to make a triglyceride.

[ 1 ]

Question (b)

(b)

Annotate the diagram, using an arrow to show where a condensation bond has formed during formation of the triglyceride.

[ 1 ]
All question bank results loaded