Greenhouse-grown tomato seedlings are often brushed by hand to simulate wind. This causes seedlings to grow slower, thicken stems, & resist mechanical wind damage when planted in the field.  Which hormone is responsible?      Auxin     Salicylic acid     Gibberellin     Abscisic acid     cytokinin     Ethylene

Q: What are the roles of kinetin in plants and where would you normally find this phytohormone b in…

A: Introduction :- Phyto-hormones are also called plant hormones because they are produced and utilized…

Q: Certain mutations in thale cress cause excess auxin production. What are the impact of these…

A: Auxins are phytohormones (hormones produced by plants) that are secreted in the stem tips with…

Q: Which of the following is not a characteristic of plant hormones? They are active in small…

A: Plant hormones like Auxin, Cytokinin, etc. are produced at extremely low concentrations. At very…

Q: Choose, Which part of the plant is not included in the shoot systems of plants?  a, stem b, leaves…

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: Auxin enhances cell elongation in all of these ways except(A) increased uptake of solutes.(B) gene…

A: Plant hormones are the molecules produced by the plants which help in the growth and development of…

Q: Several key differences in plant hormone production can be seen when comparing animal hormone…

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Q: Which combination of hormones is best for promotingthe formation of lateral roots from pericycle?a.…

A: In root and shoot formation of plant, auxin play a very important role. Internal and external…

Q: This hormone’s activity counters many of the growth-promoting effects of other hormones. A.…

A: Auxin, abscisic acid, ethylene, gibberellic acid, cytokinins, salicylic acid, strigolactones,…

Q: On a hot, dry day a plant closes its stomata thereby conserving water. Which plant hormone is…

A: Stomata are tiny openings on the surfaces of plant leaves and stems. They play an important role in…

Q: When you prune shrubs to make them “bushier”—that is, to prevent apical dominance—you are affecting…

A: The growth of the plant is directly influenced by the chemicals called phytohormones or plant…

Q: which is true regarding how auxin impacts bending of plants?     auxin increases reversible…

A: Auxin is the plant hormone having several impacts on plants.

Q: a) Describe the plant’s response to the presence of light.  (refer to picture)

A: Auxin is a plant hormone. It is chemically indole acetic acid (IAA), which is a weak organic acid

Q: Auxin is synthesized in light but stored in the dark Select one: O True O False

A: Local auxin biosynthesis via light-excited flavin compounds in the presence of tryptophan in plant…

Q: This plant hormone is a hydrocarbon gaseous hormone, which is best known for its role in fruit…

A: Plant hormone: Plant hormones or phytohormones are organic substances, present within plants in a…

Q: Some plant hormones oppose the effect of each other. Auxins and cytokinins for example. Whereas…

A: When two hormones have opposite effects from each other, it is called antagonistic effects. There…

Q: Match the hormone with the description. ___ ethylene                 a. efflux carriers set up…

A: nitric oxide - active in bursts cytokinin - works antagonistically to auxin in apical dominance…

Q: List several ways that each of these hormones affects plant growth and development: auxins,…

A: ABSCISSION- in the presence of normal level of auxin plant organs such as fruit leaves cannot…

Q: abscisic acid auxins ethylene gibberellins cytokinins found in developing leaves and seeds induces…

A: Introduction Hormones are chemical messengers that help the cell's many parts work together. These…

Q: Examples of plant hormones includea. cyclic AMP, IP3, and calcium ions.b. calcium, CDPKs, and DELLA…

A: Plant physiology is a field of botany that deals with the study of the physiology of plants. Plant…

Q: Which of the following is True?a. Ethylene stimulates abscission layers to form.b. Abscisic acid…

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Q: Briefly define what a plant hormone is.  Also, explain, using an example for each, of how hormones…

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Q: 1. Some plants grow mostly upward and no side branches. This condition is known as A. Apical…

A: Phytohormones or plant hormones are specific chemical molecules that are released from specific…

Q: Which of the given plant hormone will be more abundant in dormant buds and seeds? a.Gibberellin…

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Q: Which of the following is most likely NOT an example of a plant defense to herbivory?       Lignin…

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Q: Which hormones are involved in each of the following physiological processes: (1) seed germination,…

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Q: It was observed during the early 20th century that the abscission zone of leaves of tree growing…

A: Solution Weakening of abscission zone was caused by ethylene ( gaseous plant growth regulator).…

Q: The apical bud of a plant produces which inhibits lateral bud growth through the process known as…

A: Plant hormones are the molecules produced by the plants which help in the growth and development of…

Q: Spraying a plant with which of the following will increase axillary bud growth? Strigolactone…

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Q: 1. This hormone also helps in the plant regulation of body fluid A. Gibberellins B. Ethylene C.…

A: Plant hormones and their effects on plant growth.

Q: The summer is not optimal for grape growing and you're searching in your memory for something…

A: Plant hormones are specific chemical molecules that plants make to regulate their growth and…

Q: This plant hormone controls apical dominance (primary meristem suppresses the growth of axillary…

A: Note: Since you have asked multiple question, we will solve first question for you. To get remaining…

Q: Why IAA is not the only naturally occuring auxins?

A: Plants are autotrophs. They are called so because they are not dependent on other organisms and can…

Q: A house plant that has been placed in the window will grow toward the source of light. Which option…

A: Auxin is that plant hormone that maintains the elongation of the plant. It also helps to promote the…

Q: common plants (fruits/flowers) that are high in anthocyanin which can be found in Asian countries…

A: Anthocyanin belong to the class of water-soluble flavonoids widely present in fruits and vegetables.…

Q: This plant hormone plays a vital role in the differentiation of vascular tissues. Auxin Cytokinin…

A: *Note* - as per our guidelines we are supposed to answer only question. U can ask other questions in…

Q: Auxin, like many substances, can be transported through the phloem; however, there is a second…

A: Plant hormones can be defined as organic compounds produced by plant cells or tissues which are…

Q: . This hormone’s activity counters many of the growth-promoting effects of other hormones. A.…

A: Introduction:- Auxin, gibberellin (GA), cytokinin, ethylene, and abscisic acid are the five families…

Q: lant cells communicate in a variety of ways to elicit cellular responses. In the figure below the…

A: Auxin is a plant hormone which is responsible for the cell growth.Auxins are a class of plant…

Q: Which plant hormone mediates the seasonal abscission of fruits and leaves? gibberellin   ethylene…

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Q: B. Match the hormones that are supposed to be added to a plant in order to achieve the following…

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Q: Plant growth...     hormones only have very specific, limited functions     is centrally…

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Q: Identify the wrong match a.Senescence —Both auxin and ABA promote it b.Apical dominance — Auxin…

A: a.Senescence —Both auxin and ABA promote it b.Apical dominance — Auxin induces and Cytokinin…

Q: A new plant is recently identified in the habitat near CSUMB that grows for a year as a squat, short…

A: Hormones are the chemical substance which intercat with the receptor present in cell. This will lead…

Q: which hormone is transported in a polar fashion?

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Q: Match the hormone with the observation. ___ ethylene                   a. Your cabbage plants form…

A: Introduction  Plant hormones are chemical compounds found in plants at extremely low concentrations.…

Q: ain and spinal cord B. Match the hormones that are supposed to be added to a plant in order to…

A: 19. Auxin 20. Abscisic acid (ABA) 21. Ethylene