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1. What is the beneficial effects of silicon?
2. Explain the mechanisms that regulate the ion xylem loading.
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- 1. Explain how leaf surface area is correlated to plant transpiration and photosynthesis. Discuss the impact or consequences of having a small or large leaf surface area, to the overall photosynthetic rate and transpiration rate of a particular plant. 2. Distinguish compound leaves from simple leaves and provide illustrations for better differentiation/ comparison of the two. Please make sure that your illustrations are properly labelled. 3. Discuss the major functions of plant root and differentiate the taproot and fibrous root system. Afterwards, briefly explain the advantage/s and disadvantages of the two root systems in terms of resource (water and nutrients) acquisition. You may include some illustrations/ diagrams to support your discussion.1. What is the pathway of carbon dioxide fixation 2. What are the adaptions and resistance of plant to high temperatures 3. What are the adaptions of plant growth in cold regions1. What is the most common nutritional problem for plants? Why? 2. What are the factors affecting gas exchange in plants?
- Explain the mechanisms that regulate the ion xylem loading.4. Define transpiration and give some of its significance 5. How do root hairs absorb water? 6. A plant hormone was first discovered in Japan when rice plants were suffering from Bakanae disease caused by Gibberella fujikoroi. Based on this information answer the following questions: a. Identify the hormone involved in this process. b. Which property of this hormone causes the disease? 7. Name the gaseous plant hormone and describe three different actions of this hormone in plants. 8. Explain how the auxin:cytokinin ratio affects plant growth.When stomata open, what occurs?______ Water vapor is lost to the external environment, increasing the rate of transpiration Water vapor is lost to the external environment, decreasing the rate of transpiration Water vapor enters the spaces in the mesophyll increasing the rate of transpiration Water vapor enters the spaces in the mesophyll decreasing the rate of transpiration.
- The primary growth of a plant is due to the action of the.______ lateral meristem vascular cambium apical meristem cork cambiumThe forces selective uptake of_____ minerals in the root. pericycle epidermis endodermis root cap1. What is the pathway for carbon dioxide fixation in plants 2. What are the adaptions and resistance of plant to high temperatures 3. What the adaptations of plant growth in cold regions
- 1. Compare and contrast Apoplastic and Symplastic pathways of water in plants. 2. What causes the opening and closing of guard cells of stomata during transpiration? 3. Differentiate sources and sinks 4. Define transpiration and give some of its significance 5. How do root hairs absorb water?Can u give 5 Statement of the problem about this topic thank you Title: Effects of organic and special fertilizer on the growth and soil nutrient of momordica charantia seed1.Explain the underlying mechanism in the opening and closing of a stomate. 2.How does oxygen get to the different parts of the plant? 3.Explain countercurrent flow. How does it help make the fish gill the most efficient respiratory organ? 4.In what form does most of the carbon dioxide travel in the blood? How and where is thismolecule produced?