Match the hormone with the description. ___ ethylene                 a. efflux carriers set up gradients ___ cytokinin                b. produced in positive and ___ auxin                           negative feedback loops ___ gibberellin              c. affects expression of more ___ ABA                          genes than any other hormone ___ nitric oxide             d. works antagonistically to auxin in                                           apical dominance                                       e. big in stems                                       f. active in bursts

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: Thigmotropism is a plant response toa. light. b. cold.c. touch. d. gravity. e. drought.

A: Answer is c.) touch.

Q: B. Identify the plant responses to inducing hormones. Choose your answers in the box and write the…

A:

Q: Plants hormone that induces cell division is: A. auxins B. gibberellins C. kinins D.…

A: Plant hormones are also known as phytohormones. Plants hormones are signal molecules, produced…

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 one of the plant growth regulators would you use if you are asked to:(a) induce rooting in a…

A: Plant growth promoters are substances that regulate the growth in plants. These substances enhance…

Q: Choose the best answer for following question It causes leaf abscission. a. auxin…

A: The abscission process takes place as three events- resorption, protective layer formation and…

Q: A If the auxin concentration in A is 46 units and the auxin concentration in B is 33 units then the…

A: Plants respond to stimuli by producing chemical compounds called hormones that work as messengers.…

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: Vhich of the following hormones are NOT mat unction? D abscisic acid- promotes leaf abscission O…

A: Ans- Abscisic acid promotes leaf abscission. Abscisic acid promotes leaf senescence.…

Q: The seed coat forms from the______ . a. integuments c. endosperm b. coleoptile d. sepals

A: A fruit is a mature ovary and its related parts. It typically contains seeds, which have created…

Q: The integuments of an ovule will develop into the a. embryo. b. endosperm. c. fruit. d. seed…

A: The integuments are the protective envelope that surrounds the ovule body. Based on integuments…

Q: Match the response with its main trigger. ___ phototropism                a. contact with an object…

A: phototropism - blue light gravitropism - gravity thigmotropism - contact with an object

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 following statements about phototropism is/are not true? A. Red light is the most…

A: Phototropism is the growth of the plants or cell elongation towards the blue light in response to…

Q: The image on the left is undifferentiated totipotent cells can sprout shoots and roots in response…

A: Tissue culture is the growth of cells in artifical medium similar to their original environmental…

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: If the VIN3 gene had a loss-of-function mutation, how do youthink that would affect the phenotypes…

A: Gene is a functional unit of heredity. A gene is a sequence of nucleotides in genome that codes for…

Q: Can you answer this question, all of the parts please.  A. Please explain the phenomenon of apical…

A: Apical dominance can be defined as the control exerted by the apical portions of the shoot over the…

Q: Which of the following statements about gravity perception is FALSE? A. Statoliths are specialized…

A: Gravity perception is an important activity in plants as they need to send their roots downwards…

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: If the flowering is inhibited in a plant by exposure to bright light at night, it must be a- Select…

A: Step 1 Photoperiodism is the effect of photoperiods or relative lengths of day and night on the…

Q: Darwin and Darwin (1880) found that nsation of unilateral illumination was perceived by the…

A: The growth hormones of plant is categorized into five categories i.e. auxins, cytokinins,…

Q: Certain mutations in common wall cress (Arabidopsisthaliana) cause excess auxin production. Predict…

A: Plants generate molecules called phytohormones, which control several aspects of their lives,…

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: A high auxin to cytokinin ratio provide shoot formation while a high cytokinin to auxin ratio…

A: Auxin is a plant hormone produced in the stem tip that promotes cell elongation. Cytokinins are a…

Q: Please answer the following parts: (a) Explain what Florigen is. (b) Explain how the floral…

A: In plants, all aspects of plant growth and development are controlled by the signal molecules. The…

Q: Is water primarily pushed or pulled up the plant

A: Xylem and phloem are plant tissue that help in transport of substance. Xylem is involved in water…

Q: Last Valentine's day, an 18-year old girl received a bouquet of flowers from the boy that she likes.…

A:

Q: Choose the best answer for following question Stems bend toward the sun a. auxin…

A: Plants also produce plant hormones that are involved in various physiological roles. The plant…

Q: Choose the best answer for following question Grapes can grow larger and exhibit stem elongation. a.…

A: Introduction : Plant hormones are essential signal molecules  produced by the plants that 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: Gibberellins were discovered as a result of: Select one: O an application of the hormone…

A: Since ancient times rice cultivation in Japan has suffered from damage caused by the bakanae(foolish…

Q: What do you mean by auxin?

A: Hormones are chemicals that act at site far away from its release. These are produced in small…

Q: Indole acetic acid is the synthetic auxin Select one: O True O False

A: Auxin is a plant promoting growth hormone which is synthesized in the tips of the stem used for the…

Q: A plant mutant that shows normal gravitropic bending butdoes not store starch in its plastids would…

A: Gravitropism refers to the growth of a plant in response to gravity. It could be negative or…

Q: Which of the following plant hormones is produced in the root meristems, travel upward and in higher…

A: The plant hormones is produced in the root meristems, travel upward and in higher concentration…

Q: 18.It stimulates biochemical activities that cause observable physiological responses by organisms.…

A: 18. Hormone  A hormone is any member of a class of signaling molecules in multicellular organisms,…

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

A: The plant hormones are naturally produced in the plants at specific times, but we can use these…

Q: A seedling germinating under a stone grows at an angle away from the stone and upward. This response…

A: Plant developments can be characterized as the progressions in the spatial direction or adaptation…

Q: i. which of these is noi a characieristic uf living things a. reproduction and heredity b.…

A: In early days of biology, all organisms were classified as either plants or animals. But in 1969,…

Q: The signaling molecule for flowering might be released earlierthan usual in a long-day plant exposed…

A: Seed germination experiments contributed to the discovery of phytochromes. These are a group of…