WJEC A Level Biology
WJEC A Level Biology 4.2 Sexual Reproduction in Plants Exam Questions
Free WJEC A Level Biology exam questions on 4.2 Sexual Reproduction in Plants, with mark schemes. Covers flower structure, pollination, fertilisation, seed and fruit development and germination.
4.2 Sexual Reproduction in Plants 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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WJEC A Level Biology Flashcards (Anki & Quizlet)
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page.
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About WJEC A Level Biology 4.2 Sexual Reproduction in Plants
This topic covers plant reproduction. Expect flower diagrams and questions on double fertilisation.
What you need to know
- Flower structure Anthers, stigma, style, ovary and adaptations for insect and wind pollination.
- Pollination Self and cross-pollination, and mechanisms that encourage cross-pollination.
- Double fertilisation One male nucleus fuses with the egg to form the zygote and another with polar nuclei to form the endosperm.
- Seeds and germination Seed structure, dispersal and conditions for germination, including the role of gibberellin.
Common mistakes in 4.2 Sexual Reproduction in Plants
- Confusing pollination with fertilisation.
- Forgetting the endosperm is triploid.
- Mixing up wind and insect pollination features.
Try three 4.2 Sexual Reproduction in Plants exam-style questions
1. Distinguish between pollination and fertilisation. (2 marks)
Show the mark scheme answer
Pollination is the transfer of pollen to the stigma (1); fertilisation is the fusion of male and female gametes (1).
2. Give two features of wind-pollinated flowers. (2 marks)
Show the mark scheme answer
Any two: small dull petals, feathery stigmas, exposed anthers, large amounts of light pollen (1 each).
3. Describe the role of gibberellin in germination. (2 marks)
Show the mark scheme answer
It stimulates production of amylase (1), which breaks down starch into maltose for the growing embryo (1).
4.2 Sexual Reproduction in Plants FAQs
What does Sexual Reproduction in Plants cover?
Flower structure, pollination, double fertilisation, seeds and germination.
Which practical links here?
Investigating pollen tube growth or dissecting flowers.
Why is cross-pollination useful?
It increases genetic variation.
Revise this topic with flashcards: WJEC A Level Biology Flashcards, with mark scheme answers for Anki and Quizlet.
