Chapter 9 Nutrition in plants

Type in the words (in small letter only) which are the best described by the statements below.

1. a mixture of minerals in the correct proportions to be added to the soil for plants. It usually contains salts of nitrogen, phosphorus, potassium, calcium, magnesium and sulphur

2. a green pigment in chloroplasts which absorbs light energy for photosynthesis

3. an organelle in green plant cells. It contains a green pigment which absorbs light for photosynthesis

4. those reactions in photosynthesis that do not need light. These reactions can take place in the presence or absence of light

5. to remove starch from leaves by putting a plant in darkness for a period of time

6. those reactions of photosyhthesis that require the presence of light to be able to take place

7. an anabolic process carried out by green plants to make carbohydrates from carbon dioxide and water

8. two specialized epidermal cells that contain chloroplasts and surround the central pore of a stoma. Changes in the turgor of these cells open and close the stomatal opening

9. the layer or layers of photosynthetic cells beneath the epidermis of many foliage leaves

10. minute openings in the epidermis of aerial parts of plants, especially on undersides of leaves, through which air and water vapour enters the intercellular spaces and gaseous exchanges take place

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