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A:
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Is there any reference that can proof the acid rain can affect the growth of root and stem?
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- To investigate the function of the root system, four set-ups will also be prepared. Test tubes 1-3 will be filled with water to about three-fourths full, while only about 5-10 drops of water should be added into tube 4. Three fresh plants with intact roots and rid of the soil, will be placed into test tubes 2, 3 and 4. Roots should be completely immersed in water in tubes 2 and 3 while the root of the plant in tube 4 should not be in contact with (well above) the water. This will establish the setups which are: (a.) plant-free control, (b.) plant immersed in pure distilled water, (c.) plant immersed in distilled water-food color mixture, (d.) un-immersed plant. A few drops of oil should be added in all tubes to form a lipid layer on top of the water column on each set up. The set-ups should sit undisturbed at room temperature for two days. After 2 days, the water level will be observed as well as the condition of the plants in all the test tubes.Interpret the result obtained from each…The following experiment was carreid out at ILC Laboratories to measure the effect of different nutrient solutions on bean root growth. Three nutrient solutions were made: 1.) A solution containing all required nutrients 2.) A solution containing all required nutrients except nitrogen; and 3.) distilled water. The results recorded for root length and leaf colour were as follows: Solution 1.) 47 mm; deep green Solution 2.) 17 mm; pale green-yellow Solution 3.) 14 mm; pale green-yellow a.) explain how the solution ranked in relation to the other two; b.) state the evidence that supports your answer; and c.) explain why the plant grew the way it didDescribe the method of preparation of planting material for Ginger and describe how it can be propagated
- Describe the structural modifications and specialized functions performed by the different modified roots observed. Do this by completing the table below. Name of specimen Description of modified root Special function 1. beet 2. radish 3. sweet potato 4. corn 5. mangroove 6. succulent 7. baletewhat type of stem modification does: -Pistia stratiotes-Calotropis gigantea-Gloriosa superba-Ficus benghalensis have?(Use image provided to answer different parts) A) What do the results suggest about the part of the plant that regulates the thickness of developing leaves in response to light: a) developing leaves b) mature leaves c) whole plant B) Which treatment had leaves with the lowest surface area to volume ratios at a leaf size of 20mm: a) high apex treatmetn b) high whole treatment c) low apex treatment d) they all have same surface area to volume ratio C) Which leaf will lose water more readily under dry conditions? a) high apex b) high whole c) low apex d) they will all lose water at the same rate D) In what ways would the differences in leaf form evident between the High Whole and Low Whole treatments at the end of the experiment reflect adaptations to their different growth environments? Discuss specifically with respect to the effects of leaf form on photosynthetic rates and rates of water loss.
- Compare the preserved untreated Allium cepa roots and colchicine-treated Allium cepa roots based on size, appearance and other morphological characteristics.Match A, B, C and D with: - Adventitious - Fibrous - Nodulated - Tap RootWhat is the time required for water to reach the uppermost leaf on a fresh stem cut in air?