The chemical substance involved in growth inhibiting activities, is АВА Auxin Gibberellin Ethylene

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: You have been chosen as the lead student gardener for the CSUMB Future Farmers of America Club…

A: Hormones are the chemicals substances which interact with the receptor of the cell. This leads to…

Q: This is a picture of the initial experiments to figure out how auxin and phototropism worked. How do…

A: Auxins are a family of plant hormones. An example of a specific auxin is IAA, which is known as…

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: Immature embryo       Hard seed coat       Presence of germination inhibitors       All of these

A: INTRODUCTION Seed dormancy This is a condition in which seed cannot germinate. Seed dormancy can be…

Q: One of the most resistant biological material present in the exine of pollen grain is: (a)…

A: Pollen grains are present inside the anther. They consist of male gametes. The pollen grains are of…

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: In seedless fruits (e.g., grapes, watermelons, bananas), fruits develop even without fertilization.…

A: In almost every plant, by the time the fruit develops from the ovary, other floral parts degenerate,…

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: 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: 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: Gardeners sometimes plant clover between productive growing seasons. Why would this practice be…

A: Clover is a common name of the plants belonging to genus Trifolium. Some species of clover plants…

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: 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: Photoperiodism, when a plant responds to: A. In order to flower, long day plants need: B. In order…

A: Photoperiodism is a physiologic adaptation that occurs during the development of plants. It allows…

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: Three applications of plant hormones in agriculture.

A: Phytohormones are chemicals same as animal hormones that assistance in the growth, improvement, and…

Q: 2,4-D and 2,4,5-T are examples of hormonal-based herbicides. Name the phytohormone behinc this…

A: The growth and development of plants are based on the production of plant hormones. Like animals,…

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: Plants have been used in dyeing fabrics for centuries O True O False

A: Ans - a) True the development of dyeing in fabrics is the revolution due to the synergistic use of…

Q: Why a flower is emascuated and auxin is applied to its stigma?

A: A flower is the reproductive part of the plant. It consists of reproductive organs like stamens and…

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: The production of roots on cuttings of a houseplant is promoted by applying high concentration of…

A: Cytokinins are one of the 5 plant growth regulators, also known as phytohormones.

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: 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: 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: Greenhouse-grown tomato seedlings are often brushed by hand to simulate wind. This causes seedlings…

A: Plant hormones are also termed as phytohormones and these are the organic substances which helps in…

Q: colour change in the fruit and an increase in its sweetness is due to  a. the plant hormone…

A: Fruit ripening Fruit ripening is defined as a stage in the maturation of the productive part of the…

Q: Drying and aging seeds is a way to enhance seed viability and germination and at the same time to…

A: Introduction  The viability of a seed accession is a measure of how many seeds are alive and capable…

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: Auxins can move vertically; but cannot move laterally in a plant. Select one: O True O False

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

Q: Adding | [ Select ] to the media will increase the germination rate of seeds the type typically…

A: Seed germination is a process in which a plant emerges from a seed under favourable conditions of…

Q: Using purified auxin, How Place the auxin on the west side of the stem. Place the auxin on the east…

A: Auxin is a plant hormone that is produced in the stem, root tips, and bud. It promotes apical…

Q: Almost all plants must reach a certain age before they can be induced to flower. Before that point,…

A: Plants are defined as the multicellular organisms that are part of the kingdom Plantae that will use…

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: List any four uses of auxins.

A: The auxins are the plant hormones. It plays an essential role in the development and growth of…

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

A: Auxin is a plant hormone that plays an important role in the execution of actions in response to…

Q: Environmental factors that induce a response are called Select one: O a. tropisms. O b. stimuli. O…

A: Introduction :- Any abiotic or biotic component that effects living creatures is referred to as an…