Page 68 - ICSE Science 3 : E-book

At home

• Grow plants where they can get suffi cient sunlight.

• Water the plants of your garden daily.

• Do not step on young plants.

• Add manure to the soil to make it suitable for plant growth.

• Maintain enough space in between two plants while growing them.

At public places

• Do not pluck fl owers and leaves of plants.

• Do not write on the tree trunks by scratching on it.

If you take care of plants, they will take care of you!

TERMS TO KNOW

1. Taproot: The single main root that grows straight downwards from the base of
the stem
2. Fibrous root: Root that has a number of thin roots growing in all directions from
the base of the stem

3. Shoot: The parts of the plant that grow above the ground

4. Lamina: The fl at or broad part of a leaf
5. Veins: A number of tiny channels in the form of lines that run over the leaf’s
surface

6. Petiole: A structure that links the leaf to the plant’s stem or branch
7. Petal: The soft and brightly coloured part of a fl ower

8. Sepal: The green part of a fl ower that lies under the petals
9. Seed coat: Tough and hard outer covering of the seed

10. Embryo: The baby plant inside the seed

11. Cotyledons: The part of the embryo within the seed of a developing plant
12. Monocot seed: Seed that contains only a single cotyledon inside it

13. Dicot seed: Seed that contains two cotyledons inside it
14. Germination: The process by which a seed grows into a new plant

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