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10 Cards in this Set
- Front
- Back
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The primary plant food element that stimulates the growth of stems and leaves is 1. Calcium 2. nitrogen 3. phosphorus 4. potassium |
nitrogen |
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Which of the following is NOT a primary plant food element? 1. Calcium 2. nitrogen 3. phosphorus 4. potassium |
Calcium |
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A substance composed of only one type of atom is a(n) 1. compound 2. element 3. nutrient 4. phosphate |
element |
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The word that means “a nourishing substance” is 1. compound 2. element 3. nutrient 4. phosphate
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nutrient |
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Nitrogen-fixing bacteria convert atmospheric nitrogen into nitrogen compounds, including nitrates and 1. ammonia 2. nodule 3. oxide 4. potash |
ammonia |
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general term for a substance containing two or more elements bonded together 1. compound 2. element 3. oxide 4. phosphates 5. phosphorus 6. potassium 7. nitrogen cycle |
compound |
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main function is to contribute to the general health of a plant and improve disease resistance 1. compound 2. element 3. oxide 4. phosphates 5. phosphorus 6. potassium 7. nitrogen cycle |
potassium |
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group of chemicals containing phosphorus bonded to oxygen and other elements 1. compound 2. element 3. oxide 4. phosphates 5. phosphorus 6. potassium 7. nitrogen cycle |
phosphates |
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makes fruits “firm up” properly 1. compound 2. element 3. oxide 4. phosphates 5. phosphorus 6. potassium 7. nitrogen cycle |
phophrus |
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system that movies nitrogen from the atmosphere to the soil and back 1. compound 2. element 3. oxide 4. phosphates 5. phosphorus 6. potassium 7. nitrogen cycle |
nitrogen cycle |
