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: STEM( Part of a plant) I. Classification          A. Based on toughness…

A: INTRODUCTION:- stem is considered as one of the most important and key…

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

A:

Q: 5. Define what a plant hormone is. Also, explain, using an example for each, of how hormones can…

A: Plant hormones/phyto-hormones are signal molecules produced within plants, that occur in…

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: Choose the one answer that fits best. Which of the following statements regarding seed germination…

A: * seed germination is a  process which an organism grows from a seed or spore. *sprouting of 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: 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: Phytochromea. can be affected by red and far-red wavelengths of light.b. affects a plant’s…

A: The elimination of the adverse effects (improper temperature, sunlight, water availability, and…

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: 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: 9. gumamela flower has an axillary inflorescence a. true b. false 10. the elevation…

A: Botany, often known as plant science or plant biology is a discipline of biology that studies…

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: 1. A short-day plant flowers only when exposed to light for less than 12 hours long. Which of the…

A: Short day plants When the days are shorter than their critical day length, these plants begin to…

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: How do plant react to certain change like irritation/sensitivity

A: The sensation is one of the capacities shown by a residing creature to keep up with its life, where…

Q: 16.    they are found in all types of vascular plants a.    tracheid b.    sleeve tube c.    vessel…

A: As per our policy, We are answering only 2 questions as all are different questions. For the rest of…

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

A: Plant hormones are also known as phytomones which are responsible for several functions of the…

Q: 1. Describe a horm 6. What is the fun 9. Dormant seeds 10. An increase in th 11. Found in natura 11.…

A: These are definition questions.

Q: Identify the correct one(s) for the hormone who's precursor is acetyl-CoA a. Stimulates stem…

A: There are mainly five different types of plant hormones required for the main responses of plants,…

Q: C. For numbers 21 to 24, match the parts of the flower with what they will develop into after…

A: Fertilization is the process of fusion of the male and the female gamete to produce the zygote. In…

Q: Match the terms appropriately. ___ bryophyte                      a. has seeds, but no fruits ___…

A: The term Bryophyta originates from the word ‘Bryon’ meaning mosses and ‘phyton’ meaning plants.…

Q: The photoperiod flowering time pathway acts by repressing FLC. O True False

A: Introduction: The photoperiodic flowering path serves as a conduit for a variety of environmental…

Q: After double fertilization, a zygote and ________ form. a. an ovule b. endosperm c. a cotyledon d. a…

A: Double fertilization involves two sperm cells in which one sperm fertilizes the egg cell to make the…

Q: 1 cm The leaf in the picture above is from a... Eudicot Monocot O Gymnosperm

A: The arrangement of veins in plant leaves is referred to as venation. Veins are vascular tissues in…

Q: Pruning plants can promote lateral stems and increased plant biomass by _____________. Select one:…

A: The organic substances that regulate growth and development of the plant tissues/body are known as…

Q: C. two embryos from two sperm cells and two eggs. D. one embryo involving one sperm cell and of…

A: As per the rule answering only 3 answers. kindly repost for other question to be answered.

Q: Cytokinins, which control root and shoot meristem activities, apical dominance, leaf senescence,…

A: Cytokinins are plant growth hormones which perform cell division in plant roots and shoot system.

Q: What mineral deficiency could cause an abnormal development of vascular system, especially xylem?…

A: Introduction  One of the two different kinds of transport tissue found in vascular plants—the other…

Q: Group II (Functions) Q8. Group I (Hormone) 1. Phototropism and gravitropism P. Gibberellin 2.…

A: Plant Hormones -- Also Called as Phytohormones -- Plant Hormones are chemical compounds present in…

Q: A. Pollen tube B. C. Which part of this angiosperm egg will become the endosperm? D B E A с D. E.

A: Angiosperm egg refers to the female gamete or reproductive cell found within the ovule of a…

Q: Systemic acquired resistance______ . a. occurs in response to pathogen detection b. causes the…

A: Introduction  When compared to susceptible plant varieties under similar climatic conditions and…

Q: Elevated levels of this hormone promote seed dormancy? Select one: a. gibberellin b. abscisic acid…

A: Plant hormones These organic molecules also called phytohormones are responsible for regulating the…

Q: Ethylene promotes A. production of female flowers B. fruit ripening C. promotion of abscission of…

A: Ethylene is a gaseous hormone which is present in plants. It is produced by all higher plants. It is…

Q: Which of the following is NOT regulated by Gibberellins? seed germination b. fruit growth O.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Far-red light will _________stem elongation and _______seed dormancy. Select one: a. promote,…

A: It is the condition of seeds which is incapable of germination even if conditions suitable for…

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: 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: . 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: Exposure to______ can trigger seed germination. a. light c. smoke b. cold d. all can be triggers

A: Seed germination is the process in which dormant embryo of seed resumes metabolic activities and…

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: Match the terms appropriately. ___ ovule               a. gamete-producing body ___ cuticle…

A: In the process of fertilization, a sperm fuses with an egg or an ovum in the reproductive system. It…