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IB Biology HL D3.1.8 Sexual Reproduction in Flowering Plants Questions

Practise IB Biology HL D3.1.8 by locating gametes in pollen and ovules, then tracing pollination, pollen-tube growth, fertilization and embryo formation in seeds.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Identify anthers, stigmas, ovaries and ovules, and locate male and female gametes in pollen and ovules.
  • Distinguish pollen transfer from anther to stigma (pollination) from fusion of male and female gametes (fertilization).
  • Trace the pollen tube to the ovule, then link fertilization with embryo formation inside the seed.

IB Biology HL D3.1.8 Sexual Reproduction in Flowering Plants Questions question 1

[Maximum number: 3]

Angiospermophyta are vascular flowering plants.

The flowers of angiospermophyta are used for sexual reproduction. Outline three processes required for successful reproduction of angiospermophyta.

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