Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 37, Problem 11TYK
Summary Introduction
Introduction:
Nutrients are substances that are used by organisms for energy, development, and perform various bodily functions. Nutrients are classified into two types, namely macronutrients and micronutrients. Plants need both macronutrients, nitrogen, calcium, phosphorous, and magnesium, and micronutrients, zinc, copper, and iron, for normal growth. If these essential nutrients are inadequate, which may result in plant disease, like leaf discoloration and stunted growth.
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Ethylene respond synergistically with another plant hormone ‘X’ for promoting shedding of leaves, flowers and fruits. The hormone ‘X’ can be used in agriculture for
a.Inducing fruit ripening
b.Increasing internode elongation
c.Reducing requirement of irrigation
d.Promoting flowering
This class of plant hormones are exuded by the plant roots. On the one hand, these plant
hormones stimulate fungal metabolism and branching. On the other hand, they also trigger
seed germination of parasitic plants.
O A. Auxin
B. Gibberellins
O C. Strigolactone
D. Abscisic acid
O E. Ethylene
Which of the following plant structures is not a defense against herbivory? a. thorns b. spines c. nectar d. alkaloids
Chapter 37 Solutions
Study Guide for Campbell Biology
Ch. 37 - Describe the characteristics of a fertile soil.Ch. 37 - Prob. 2IQCh. 37 - Prob. 3IQCh. 37 - Prob. 4IQCh. 37 - Prob. 5IQCh. 37 - Prob. 6IQCh. 37 - Prob. 7IQCh. 37 - Prob. 1SYKCh. 37 - What are the similarities and differences between...Ch. 37 - The most fertile type of soil is usually a. sand,...
Ch. 37 - Which of the following is not a principle of...Ch. 37 - Prob. 3TYKCh. 37 - Which soil component is associated with higher...Ch. 37 - Prob. 5TYKCh. 37 - Prob. 6TYKCh. 37 - Prob. 7TYKCh. 37 - Prob. 8TYKCh. 37 - Prob. 9TYKCh. 37 - Nitrogenase a. is an enzyme complex that reduces...Ch. 37 - Prob. 11TYKCh. 37 - Prob. 12TYKCh. 37 - The nitrogen content of some agricultural soils...Ch. 37 - Using a technique called metagenomics, researchers...Ch. 37 - Prob. 15TYK
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- An unripe avocado placed in a paper bag with an apple will ripen; its skin will turn darker green, it will soften, and it will produce an increasing amount of odors. Which plant hormone released by the apple causes this effect? Select one: a. Abscisic acid b. Auxins c. Ethylene d. Gibberellins e. Jasmonic acidarrow_forwardIdentify the correct one(s) for the hormone who's precursor is acetyl-CoA a. Stimulates stem elongation. b. Helps to attain quicker maturity in conifers. c. Induces production of new leaves. a.a and b b.b only c.a and c d.a onlyarrow_forwardWhich of the following is the role of iron in plants? A. endosperm development and dehydrogenase activity B. photodestruction of chlorophyll and chloroplast structure C. energy transferring process for photosynthesis and respiration D. regulatory component of proteins and metabolites in roots and leavesarrow_forward
- Flower shape and color can be linked to the process ofa. pollination.b. photosynthesis.c. germination.d. secondary growtharrow_forwardWhich of the following statements is false?a. Auxin and gibberellin promote stem elongation.b. Cytokinin triggers growth of lateral buds.c. Abscisic acid promotes water loss and dormancy.d. Ethylene promotes fruit ripening and abscissionarrow_forwardWhich of the following statements is/are FALSE for CAM plants? a.The dark reaction uses less ATP and NADPH than other plants. b.Succulents and tropical plants growing under semi-arid condition. c.C4 pathway occurs at night and C3 pathway occurs at daytime. d.Scotoactive stomata are open during daytime but close at nighttime.arrow_forward
- Which type of plant tropism is mismatched with its stimulus?a. Gravitropism: gravityb. Thigmotropism: nutrientsc. Phototropism: lightd. All of these are appropriately matched.arrow_forwardUnripe fruits are hard and tart. Ripening is a process that sweetens and softens the fruit to make it more attractive to animals who will eat the fruit and disperse the seeds. A plant hormone, ethylene, leads to the ripening of many fruits. Once ethylene starts being pro- duced, it initiates a feedback loop that causes more ethylene to be produced, increasing the rate of ripening. Which of the following best identifies and describes the feedback loop initiated by the pro- duction of ethylene? A It is a positive feedback loop because the initiating stimulus causes a subsequent de- crease in the stimulus. B с D It is a negative feedback loop because the initiating stimulus causes a subsequent in- crease in the stimulus. It is a negative feedback loop because the initiating stimulus causes a subsequent de- crease in the stimulus. It is a positive feedback loop because the initiating stimulus causes a subsequent in- crease in the stimulus.arrow_forwardThis plant hormone is a hydrocarbon gaseous hormone, which is best known for its role in fruit ripening. A. Auxin B. Gibberellins O C. Strigolactone D. Abscisic acid O E. Ethylenearrow_forward
- Which of the following is an effective plant defense against insect herbivory? Select one: a. Hypersensitive response b. Gene-for-gene resistance c. Salicylic acid d. Protease inhibitors e. Resistance genesarrow_forwardWatch the suggested videos for Plants Response to Stimuli. a. GeotropismGeotropism Experiment (2:48 minutes)https://www.youtube.com/watch?v=AEo5UsPeB5gb. PhototropismPhototropism Experiment (2:16 minutes)https://www.youtube.com/watch?v=WZ1NRP3OF5w a. For each experimental set up (geotropism and phototropism), identify the dependent and independent variables that have contributed to how plants responded to the stimuli.arrow_forwardPlant development is influenced by: A. quality of light only B. quality and quantity of light C. quality and duration of light D. quality, quantity and duration of lightarrow_forward
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