Reproduction in flowering plants — KCSE Biology

KCSE Biology · 85 practice questions · 3 syllabus objectives

27 easy26 medium32 hard

What You'll Learn

Key learning outcomes for this topic, aligned to the KNEC KCSE syllabus.

Draw and label a flower showing reproductive parts

Describe pollination and fertilisation in flowering plants

Reproduction in flowering plants

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easySHORT ANSWER4 marks

State the significance of fertilisation in flowering plants. (4 marks)

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Part (a) — 4 marks

Produces a zygote which develops into a seed (1 mk)

Ensures genetic variation through the combination of parental genes (1 mk)

Triggers the development of fruit which aids in seed dispersal (1 mk)

Facilitates the continuation of species through reproduction (1 mk)

easySHORT ANSWER3 marks

State three conditions necessary for successful fertilisation in flowering plants. (3 marks)

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Part (a) — 3 marks

Presence of viable pollen grains (1 mk)

Mature ovule in the ovary (1 mk)

Moisture for pollen germination and sperm mobility (1 mk)

easySHORT ANSWER2 marks

State two roles of pollination in the reproduction of flowering plants. (2 marks)

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Part (a) — 2 marks

Facilitates the transfer of pollen from anther to stigma (1 mk)

Initiates the fertilisation process leading to seed formation (1 mk)

Name two parts of a flower that are involved in the production of gametes and explain their functions. (4 marks)

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