OCR A Level Biology B (Advancing Biology)
OCR A Level Biology B (Advancing Biology) Plant Reproduction Exam Questions
Free OCR A Level Biology B (Advancing Biology) exam questions on Plant Reproduction, with mark schemes. Covers flower structure, pollination, fertilisation, seed and fruit development, and germination.
Plant Reproduction exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
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A Level Biology Flashcards
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Pick your exam board, then test yourself with the questions on this page.
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About OCR A Level Biology B (Advancing Biology) Plant Reproduction
This topic covers sexual reproduction in plants.
What you need to know
- Flowers Structure of insect and wind pollinated flowers.
- Pollination Self and cross pollination.
- Fertilisation Double fertilisation and pollen tube growth.
- Germination Conditions and the role of gibberellins.
Common mistakes in Plant Reproduction
- Confusing pollination and fertilisation.
- Forgetting double fertilisation.
- Mixing the roles of anther and stigma.
Try three Plant Reproduction exam-style questions
1. Describe double fertilisation. (2 marks)
Show the mark scheme answer
One male nucleus fuses with the egg to form the zygote (1); the other fuses with polar nuclei to form the endosperm (1).
2. State the role of gibberellins in germination. (1 mark)
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Trigger amylase production to break down starch.
3. Give one adaptation of a wind pollinated flower. (1 mark)
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Large feathery stigmas.
Plant Reproduction FAQs
What does this topic cover?
Flowers, pollination, fertilisation and germination.
Which practical links here?
Investigating pollen tube growth or germination.
Why does cross pollination help?
It increases genetic variation.
Revise this topic with flashcards: A Level Biology Flashcards, with mark scheme answers for Anki and Quizlet.
