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Mineral Requirements of a Plant-Data Intensity 3 Multiple Questions and Answers.
| 1. | Which of the following is not a function of soil? | ||
| A. | It holds water | ||
| B. | It supplies air to roots | ||
| C. | It acts as a matrix that destabilizes the plant | ||
| D. | It harbors nitrogen fixing bacteria | ||
| 2. | Minerals are transported through _________ along the _________ stream of water.? | ||
| A. | xylem, descending | ||
| B. | phloem, descending | ||
| C. | xylem, ascending | ||
| D. | phloem, ascending | ||
| 3. | Which of the following elements do not get translocated to younger parts? | ||
| A. | N | ||
| B. | P | ||
| C. | K | ||
| D. | Ca | ||
| 4. | Where do plants obtain most of their carbon and oxygen? | ||
| A. | From nitrates in the soil | ||
| B. | From ammonia in the soil | ||
| C. | From nitrogen in the atmosphere | ||
| D. | From carbon dioxide in the atmosphere | ||
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