Match the following: Zinc Calcium Nitrogen Phosphorous Copper 1. Overall growth and chlorophyll structure. 2. Reproduction and root metabolism. 3. Root and flower growth. 4. Cell wall and overall strength. 5. Regulation of plant growth.
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- Your scheduled patrolling of com field has collected various leaves samples with symptoms stated as below. Use these symptoms to explain about the type of nutrient deficiency to your worker. (i) Burning of leaf tip and edge. (ii) Reddish purple leaf edge on lower leaves. (iii) Interveinal chlorosis. (iv) Wrinkled and unopened leaf. (v) Some of the nutrient deficiency symptoms were ohserved on new growth but some were observed at the lower leaves. How would you explain this phenomenon to your worker? (vi) What are the field guides to distinguish between biotic and abiotic causes of leaf abnormalities?(i) What does high cation exchange capacity (CEC) mean in a particular soil and what are the components in soil that determine the CEC level? (ii) Explain the processes of CEC in soil and provide examples of anionic minerals of plants.Describe the similarities and differences in the absorption and regulation of iron and zinc. What is the mechanism/process that makes phytates affect iron and zinc absorption? How can we enhance the absorption of these sources? Which is the better choice—to eat processed foods that have been enhanced with phytochemicals or to eat natural foods that are rich in phytochemicals? Explain your answer. Look up any uncommon food item in our culture, and find out the nutritional content (what nutrients can this item provide us both macro and micro? How to use it in the diet?)
- A mineral deficiency is likely to affect older leaves more thanyounger leaves if(A) the mineral is a micronutrient.(B) the mineral is very mobile within the plant.(C) the mineral is required for chlorophyll synthesis.(D) the mineral is a macronutrient.(i) "One bad apple spoils the bunch". Explain this idiom in a scientific way and phytohormone behind this reaction. The same phytohormone is a necessary devil. Explain the positive contributions in terms of plant defense and fruit industries. (ii)Examine the sketch of the xylem elements below (they are displayed horizontally to save page space), these elements are from top to bottom A, B, C, and D. In examining the graph below provide the sequence from left to right that you would expect the vessel elements to fall on the graph. 120 100 80 60 40 20 -12 -10 -8 -6 -4 -2 2 Xylem Water Pressure (Mpa) Percent Loss in Xylem Conductance
- Sugars, oils, reisonous bodies and water are also essentials of plants. How do each of them contribute in the resistance of plants from extreme conditions?Which of the following characteristics is NOT exhibited by phytochemicals? 1. reduce the risk of cataracts 2. inhibit activity of enzymes to activate carcinogens 3. reduce the risk of macular degeneration 4. act as antioxidantsWhich of the following would allow a plant to tolerate a cold environment? Group of answer choices A. producing small, smooth leaves with a small boundary layer B. generating sparsely placed leaf hairs to reflect solar radiation C. increasing the proportion of unsaturated fatty acids in cell membranes D. increasing evapotranspiration E. increasing the proportion of leaf mass relative to total body mass
- Identify in what body part of these plants do they store energy? 1. Guava 2. Patani 3. Mabolo 4. Garlic 5. Cactus 6. Onion 7. Chico 8. Orchid 9. Ginger 10. Strawberry 11. Cassava 12. Okra 13. Grapes 14. Carrots 15. Gabi 16. Bottle gourd 17. Bitter gourd 18. Sugar cane 19. Spinach 20. AsparagusVernalization is a plant response to: Light Gravity Physical contact None of the above Plant epidermis secretes a waterproof substance called: Cuticle Wax Periderm covering Pectin Plant transpiration accounts for what % of atmospheric water vapor? 50% 90% 5% 75%Acid rain can have a pH between 1.5 and 5.0. The effect of acid rain on the environment depends on the pH of the rain and the characteristics of the environment. It appears that acid rain has a negative effect on plants. The scale below shows the pH of normal rain. Provide the information requestec below that should be included in a research plan to test the effect of pH on the early growth of bean plants in the laboratory. Which of the following would be the dependent variable? (choose all that apply)kr Normal rain 12 3 45 6 7 89 10111213 14 pH Scale a. the pH of the rain b. the type of plant c. the amount of rain d. the height of the plant Se Which statement best describes the growth curve seen below: a. It shows only exponential growth b. It shows a decline in population c. It shows growth slowing and then remaining steady d. It shows extinction