Q: III. This hormone also helps in the plant regulation of body fluid. IV. It is the movement of a…
A: III. This hormone also helps in the regulation of body fluid. IV. It is the movement of a plant…
Q: The reason for a plant bending towards the light is due to - Select one: O None of the choices is…
A: According to the question, we have to find out the reason for a plant bending towards the light. So,…
Q: The chemical substance involved in growth inhibiting activities, is АВА Auxin Gibberellin Ethylene
A: Plants are multicellular and mostly green colored organisms belonging to kingdom Plantae. They…
Q: Explain the importance of plant hormones.
A: Plants are autotrophs. They are called so because they are not dependent on other organisms and can…
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 phytochemical antioxidant makes fruit red? Beta-carotene Lignans Lycopene Monoterpenes
A: Carotenoids are a collection of phytochemicals that are liable for the yellow, orange and red shades…
Q: The hormone that helps plants respond to drought is (A) auxin. (B) abscisic acid. (C) cytokinin. (D)…
A: Small organic compounds which are active in low concentrations and promote/inhibit growth and…
Q: Gaseous hormones are able to enter cells without requiring specialmembrane transporter. Which of the…
A: Plant hormones are some chemical compounds that are present in very low amount in plant body. They…
Q: Which type of the following play a role in the gravitropic response of plants according to the…
A: Statoliths hypothesis Gravity perception is best explained by the starch–statolith hypothesis that…
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: On the trunk of a tree , lenticels have the function of
A: The woody plants contain an outer hard layer called "periderm" in the trunks of plants. The periderm…
Q: This plant is referred to as
A: Plants with a simple body plan lack structures like leaves, stems, roots, flowers, etc. they also do…
Q: Positive thigmotropism is a response in plants in which they move and grow toward an object the…
A: Thigmotropism can be defined as a response to touch;It is basically a curvature movement in which a…
Q: Root cells exhibit positive gravitropism with the help ofa. auxin in the root cells.b. amyloplasts…
A: When the effect of gravity influences the direction of growth of a plant, it is called gravitropism.…
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: Which of the following prevents germination of seeds: Select one: O gibberellins O ethylene O auxins…
A: Similar to animals, hormones play a vital role in plants too. The plant hormones are also called…
Q: Choose the best answer for following question It inhibits plant senescence. a. auxin…
A: Cytokinin is a category of plant growth substances which stimulate cell division, or cytokinesis, in…
Q: swer the specific role of . PHOT1 and PHOT2 Auxin (role in phototropism and cell elongation)
A: Phototropism is one of the important light responses in plants. There are several protein receptors…
Q: During seed germination, the plant hormone which belongs to a large family of terpenoid growth…
A: Plants are organisms with eukaryotic cells having cell walls and are capable of synthesizing their…
Q: ______is the hormone in most rooting compounds. a. Gibberellin c. Cytokinin b. Auxin d. ABA
A: Introduction Plant Hormones are also known as Phytohormones. Phytohormones are the signalling…
Q: . Charles and Francis Darwin discovered that(A) auxin is responsible for phototropic curvature.(B)…
A: Coleoptile refers to a leaf-shaped structure or a sheath that protects the tip of the young shoot.…
Q: Which of the given plant hormone will be more abundant in dormant buds and seeds? a.Gibberellin…
A: Plant hormones regulate nearly every aspect of plant growth and environmental reactions on the…
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: on the right side of a plant. Choose the statement that best describes the plant growth towards the…
A: The questions are related to reproduction. The production is the process by which an individual is…
Q: What is happening when plant stems grow upward, out of the ground? negative gravitropism positive…
A: The answer is Negative gravitropism. When the stem grows against the force of gravity(upwards), this…
Q: Spraying a plant with which of the following will increase axillary bud growth? Strigolactone…
A: Plant hormones can be referred to as crucial biochemicals that influence plant development and crop…
Q: Give the effects of the hormones Auxins, Cytokinins and ethylene.
A: Biology is defined as the study of life. It is divided into two main branches called botany and…
Q: What happens when a stem is positively tropic to a certain stimulus? a. Auxins will respond by…
A: There are basically two main types of tropisms as follows: Positive tropisms - in this case the…
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: 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: If a farmer wanted less tightly packed clusters of grapes, he would most likely spray the immature…
A: Plant hormones are the organic compounds that are synthesized by the plants, and that promote or…
Q: Mark all on the following list that must occur for auxin to promote gene expression. ARF proteins…
A: These are the questions related to plant physiology and their biochemical reactions which causes…
Q: If you want to prevent banana fruits from ripening you should apply Select one: O auxins O…
A: Canning and bottling of fruits are considered a major part of the food processing industry, which…
Q: After buying green bananas or unripe avocadoes, they can be kept in a brown bag to ripen. The…
A: Plant hormones or (phytohormones) are known as signal molecules which is produced within the plants,…
Q: This class of plant hormones are exuded by the plant roots. On the one hand, these plant hormones…
A: Plant hormones are organic substances that regulate plant growth and development. Plants produce a…
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: Which plant hormone is known as germination inhibitor? gibberellin ethylene abscisic acid…
A: Germination inhibitors referred to as the substances present in the plant which plays a key role in…
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: Explain the role auxin would have on sunflower plant growth and the steps of growth.
A: Plant hormones such as ethylene, gibberellins, cytokinins, auxin abscisic acid, salicylic acid and…
Q: An unripe avocado placed in a paper bag with an apple will ripen; its skin will turn darker green,…
A: Avocados are delicious and tastiest fruits that are available in the market. It is very tough to…
Q: Which of the following statements is false?a. Auxin and gibberellin promote stem elongation.b.…
A: Introduction :- Abscisic acid (ABA) is a major hormone involved in tuning responses to a variety of…
Q: hytochrome, plays an important role in flowering in many plants. It can also be used to determine…
A: Phytochrome Phytochrome is a type of photoreceptor which is present in the plants, bacteria, and…
Q: Plant growth... hormones only have very specific, limited functions is centrally…
A: Plant hormones are organic molecules that are produced in the plants which control plant growth and…
Q: Openings in the plant body to allow for gas exchange are termed palisade cells collenchyma stomata O…
A: Introduction: Sunlight is an essential element in the process of photosynthesis, which is why it can…
Q: Almost all plant communication is by a slow mechanism. What is the mechanism?
A: Plants are multicellular organisms that belong to the kingdom Plantae. Most of the plants are…
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- (a) Please describe the peripheral zone (PZ) genetic program maintains indeterminacy and allows the initiation of lateral primordia in shoot apical meristems. (b) Explain how this genetic program has been used in compound leavesCan you answer all the parts to this question please In shoot apical meristems, the peripheral zone (PZ) genetic program maintains indeterminacy and allows lateral primordia initiation. (a) Explain how the PZ genetic program control (1) meristem maintenance, (2) organ separation, and (3) organ differentiation/leaf primordia outgrowth using the following keywords: KNOX genes, cytokinins, gibberellin, auxin, CUC, and AS1. (b) Explain how this genetic program is used in the formation of compound leaves. (c) Please use KNOX PZ genetic module as an example to explain process homology during compound leaf evolution.Which of the following would not be found in the shoot system of aplant?a. stemb. leavesc. rootsd. All of these are correct.
- Seed germination is stimulated by _____; stem elongation is stimulated by ____________ Select one: a. far-red light, far-red light b. red light, far-red light c. red light, red light d. far-red light, red light e. none of the aboveSuppose a flower had normal expression of genes A and Cand expression of gene B in all four whorls. Based on the ABChypothesis, what would be the structure of that flower, startingat the outermost whorl?(A) carpel-petal-petal-carpel(B) petal-petal-stamen-stamen(C) sepal-carpel-carpel-sepal(D) sepal-sepal-carpel-carpelPhytochrome, plays an important role in flowering in many plants. It can also be used to determine when lettuce seeds germinate (shown in the figure below What is phytochrome likely doing in the lettuce seeds? Activating abscisic acid production Activating inhibitors of germination Inhibiting gibberellin synthesis Turning on germination-related genes
- Using the provided figure, describe the importance of the two phytochrome systems in controlling de-etiolation and green stem elongation under full sun and shade. Include the key mechanisms and temporal changes in control of this process.If the PIN2 gene is rendered non-functional by mutation it dramatically reduces the speed of the gravitropic response in the root. Explain what PIN proteins do and why the loss on PIN2 would likely affect the speed of the gravitropic response.The shoot tip of an emerging maize seedling is protected by a. hypocotyl. b. epicotyl. c. coleoptile. d. plumule.
- The signaling molecule for flowering might be released earlierthan usual in a long-day plant exposed to flashes of(A) far-red light during the night.(B) red light during the night.(C) red light followed by far-red light during the night.(D) far-red light during the dayA group of students have carried out an experiment to investigate the relationship between the amount of growth hormone BAP in the culture medium and the growth of shoot.They have supplemented the medium with 4 different concentration of growth hormone which is (1 mg/L ,2 mg/L BAP,3 mg/L 4 mg/L) of BAP.According to the result after eight weeks, BAP at 2 mg/L had given better response with respect to shoot induction, shoot multiplication, length of shoot, and number of leaves per explants when compare with other amount of BAP. Discuss why?Which of the following phrases best explains how differing maturity levels of the pistil and stamen are beneficial for some flowers ? ANSWER CHOICES ARE IN THE PHOTO. thanks