Unit 1 Review

1. A structure containing an embryo plant; it forms from an ovule after fertilisation.
5. A structure found inside the ovary of a flower, which contains the female gamete.
7. A mineral salt that plants need to make proteins and grow well.
8. The part of a flower that is often brightly coloured and attracts insects to it.
9. A sweet, sugary fluid produced by flowers to attract insects.
10. A substance containing mineral salts that is added to the soil to help plants to grow better.
13. The part of a flower that received pollen grains.
16. The fusion of a male gamete with a female gamete.

2. To spread out; fruits help seeds to do this.
3. Powdery grains that contain the male gametes of plants.
4. A very young organism, for example a developing plant while it is still inside the seed.
6. A mineral salt that is used by plants to make chlorophyll.
8. The transfer of pollen from an anther to a stigma.
11. The cell that is formed when a male gamete and a female gamete fuse together.
12. A structure containing seeds, which develops from an ovary after fertilisation.
14. Male parts of a flower, in which pollen is produced.
15. A type of insoluble carbohydrate, often stored in leaves and other parts of plants.