Cambridge IGCSE Biology practice

Paper 3 structured question: Sexual reproduction in plants

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Paper

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Topic

Sexual reproduction in plants

Exam-style question

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Paper 3Theory (Core)2 marks

Pollen grains from insect-pollinated and wind-pollinated flowers have different characteristics.

Description

Insect-pollinated pollen grains are large, sticky or spiky, and heavy. Wind-pollinated pollen grains are small, smooth, and light.

a
Identify one adaptation of pollen grains from insect-pollinated flowers that helps pollination.
Your answer
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[2]

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Paper 3Theory (Core)1 marks

Description

Insect-pollinated pollen grains are large, sticky or spiky, and heavy. Wind-pollinated pollen grains are small, smooth, and light.

a
State one difference between the pollen grains of insect-pollinated flowers and those of wind-pollinated flowers.
Your answer
Aim for approximately 1 distinct marking point.
[1]