BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 37, Problem 1A
Summary Introduction
Introduction:
The nutrients can be defined as the ions, molecules or the chemical compounds which are required for the growth, development and proper functioning of the body. The nutrients required by the plants are either provided by the photosynthesis or by the soil.
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If you were breeding cotton plants to have increased water uptake in dry soils, you could breed plants that contain more amino acids and carbohydrates in the root cells. Why would this be effective and why might crop yield be negatively affected?
If you were breeding cotton plants to have increased water uptake in dry soils, you could breed plants that contain more amino acids and carbohydrates in the root cells. Why would this be effective and why might it also negatively affect crop yield?
Micronutrients are needed in very small amountsbecause(A) most of them are mobile in the plant.(B) most serve mainly as cofactors of enzymes.(C) most are supplied in large enough quantities in seeds.(D) they play only a minor role in the growth and health ofthe plant.
Chapter 37 Solutions
BIOLOGY
Ch. 37.1 - Prob. 1LOCh. 37.1 - Prob. 2LOCh. 37.1 - Prob. 3LOCh. 37.2 - Prob. 1LOCh. 37.2 - Prob. 2LOCh. 37.2 - Describe the goal of food fortification research.Ch. 37.3 - Prob. 1LOCh. 37.3 - Prob. 2LOCh. 37.3 - Prob. 3LOCh. 37.4 - Prob. 1LO
Ch. 37.4 - Explain the main effect on herbivores of a higher...Ch. 37.4 - Prob. 3LOCh. 37.5 - Prob. 1LOCh. 37.5 - Prob. 2LOCh. 37.5 - Prob. 3LOCh. 37 - Prob. 1IQCh. 37 - Prob. 2IQCh. 37 - Which of the following is NOT found in topsoil? a....Ch. 37 - Prob. 2UCh. 37 - What proportion of the soil volume is occupied by...Ch. 37 - Which of the following is a micronutrient? a....Ch. 37 - Prob. 5UCh. 37 - Prob. 6UCh. 37 - a C4 plant, the Calvin cycle occurs in a. the...Ch. 37 - One potential problem with using poplars to remove...Ch. 37 - Prob. 1ACh. 37 - If you wanted to conduct an experiment to...Ch. 37 - Which of the following would decrease nitrogen...Ch. 37 - Which of the following might you do to increase...Ch. 37 - Prob. 5ACh. 37 - Prob. 1SCh. 37 - Describe an experiment to determine the amount of...Ch. 37 - Prob. 3S
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- (a) Under acidic conditions, all of the plant micronutrients become more available; (b) Mo availability increases as pH increase * A if a is correct B if b is correct C if both statements are correct D if neither statement a nor b are truearrow_forwardYou decide to plant a garden with a beautiful black walnut tree at one end and a majestic white oak at the other end. You are quite disappointed, however, when none of the seeds you plant around the walnut tree grow. What might explain this observation? a. The walnut tree filters out too much light, so the seeds fail to germinate. b. The roots of the walnut tree deplete all of the nutrients from the soil, so the new seedlings starve. c. The walnut tree produces chemical toxins that prevent seed germination.arrow_forwardWhich statement is true regarding plants and soil nutrition? a. Potassium is a critical mineral for plants because it is a component of ATP b. Soil plays an important role in filtering pollutants c. only macronutrients are essential for plant growth d. stunting is yellowing of tissue due to mineral difficiency e. Organic matter is the least abundant component of soilarrow_forward
- The practice of crop rotation uses nitrogen fixation to create fertile fields. First, a plant without a nitrogen-fixing relationship, such as corn, is planted. After the harvest, a nitrogen-fixing plant replaces the initial crop. Instead of harvesting the nitrogen-fixing plant, however, it is plowed under. The cycle continues in this manner. Why would nitrogen-fixing plants be plowed under instead of harvested? a) To increases usable nitrogen in the soil. b) To increase water retention. c) Nitrogen-fixing plants are not a food crop. d) To decrease bacteria in the soil.arrow_forwardWhat is the importance of knowing the following in crop production? Give a specific crop example. a. Mode of reproduction b. Growth habit c. Life cyclearrow_forwardWhat can be concluded from the graph and the description of the experiment? A) fertilizer b is more expensive than fertilizer a B) fertilizer a has a slower growth rate effect on the plants compared to fertilizer b C) plants using fertilizer a were located further away from windows where sunlight was present D) during a four week period, the plants with fertilizer b received more water than the plants with fertilizer aarrow_forward
- A secondary plant compound might be used for which of the following? a. a new crop variety b. a new drug c. a soil nutrient d. a crop pestarrow_forwardA 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.arrow_forwardZinc deficiency is more common in developing countries because: a) inhabitants usually eat a low-meat diet b) inhabitants usually eat a high grain diet which is high in phytate c) zinc may be lost through diarrhea, which is common in these countries d) all of these Probably the best indicator of micronutrient deficiency in children is a) hair loss b) low energy c) growth stunting d) irritability Genetic modification of a plant which results in increased zinc content and decreased phytate content is called: a) bio-enrichment b) bio-fortification c) nutrient engineering d) essential mineral genomics One region in which the use of zinc fertilizers has shown great success is: a) Northern Appalachia b) Eastern Ukraine c) Central Anatolia d) the U.S. Desert Southwest In India, zinc is often combined with which material to make fertilizer? A) horse manure b) ammonium nitrate c) tea leaves d) ureaarrow_forward
- Throughout history, spices have been used as preservatives and to cover up the smell or taste of food that is slightly spoiled. The success of some spices led to a magical, ritualized use, and possession of spices was often limited to priests or other powerful members of the community. a. Choose a spice and trace its use geographically and historically. What is its common use today? b. Spices grow and tend to be used predominantly in warmer climates. Explainarrow_forwardCamellia and azalea are plants that produce yellow leaves, which is considered an undesirable outcome, when they are grown on alkaline soil. Which of the statements below support the fact about camellia and azalea stated above? a. Loam soil is not advisable to be used in growing camellia and azalea because of its acidity. b. Camellia and azalea should not be planted in chalk soil. c. Camellia and azalea produced yellow leaves because they are planted in acidic soil. d. Camellia and azalea require chalk soil to counter the effect of the alkaline soil used.arrow_forwardMicronutrient deficiency is, or may be:Group of answer choices A.) pH dependent B.) affected by excess macro and secondary nutrients. C.) Is not as typical in acidic soil environments as in alkaline soil environments. D.) All of the abovearrow_forward
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