This plant hormone controls apical dominance (primary meristem suppresses the growth of axillary meristems). Auxin Cytokinin 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: 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: 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: 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: 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: 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: 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: 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: 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: A healthy, upright plant would most likely have what
A: Introduction Plants are mostly photosynthetic eukaryotes belonging to the Plantae kingdom.…
Q: The example of the plant in which vegetative propagation is occured by leaves is called 1. Cannabis…
A: The organisms of the plant kingdom reproduce and propagate through the methods of sexual…
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: 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: Axillary buds are capable of forming all of the following EXCEPT thorns branch roots flowers stem…
A: The correct answer is option 2nd Branch Roots.
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: Which of the following best explains the function of sepals during flower formation? O to receive…
A:
Q: The phloem of a cactus send hormones to areoles, structures that will develop in to flowers. During…
A: According to the question, we have to mention the name of the system the phloem works in conjunction…
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: 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: 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: 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: 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: Which of the following best explains the function of sepals during flower formation? to receive…
A: BASIC INFORMATION FLOWER It is considered as the reproductive part of the plant. It helps in…
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: 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: Which of the following structures in a flower is not directly involved in reproduction? Select the…
A: According to the question, we have to mention the structure given in the option is not directly…
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: 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: 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: Match the following using the choices. Note: Select the right choice by clicking the arrow and…
A: Introduction Plant hormones, also known as plant growth regulators are chemical substances that in…
Q: Which of the following phrases best explains how differing maturity levels of the pistil and stamen…
A: The process of the formation of new organisms from the existing organisms is called reproduction. It…
Q: briefly describe the cell elongation in response to auxin
A: Answer :- Auxins are powerfull development harmone created by plant normally. They are found in…
Q: Shoot apical meristem gives rises to the three primary meristems: the precursor of the epidermis;…
A: The shoot is defined as the production center for a plant. It is thus, the organ system that will…
Q: Growth and development in plants • Define meristem and state the difference between apical and…
A: Development is referred to as the progression from earlier to later stages in maturation, e.g. a…
Q: This is an area of a tissue where stems cells function to replenish stems calls and maintain an…
A: Stem cells are specialized cells that have the unique ability to develop into any cell type in the…
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: The winding of grape vine tendrils around a trellis support is an example of Negative…
A: Plant movements: Plants shows bending and curvature movements of stem, root and leaf. This bending…
Q: Choose one of the possible answers in the brackets to fill in the blank. During |(simple…
A: Dormancy It is a period in an organism's life cycle when growth and developmentare temporarily…
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
Q: Choose the best answer for following question Stomata close when a plant is water-stressed. a. auxin…
A: The pores on the surface of the leaves and other aerial parts of most of the plants is known as the…
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- Excluding leaf senescence, describe three instances of programmed cell death as a part of normal plant development.The monopteros mutant (a) lacks a primary root (b) develops normally until the plant becomes reproductive (c) has abnormal leaf morphogenesis (d) was discovered in rice after its genome was sequenced (e) is one of only two developmental mutants known in Arabidopsis.Examine the variegated leaf shown in Figure Q14–3.Yellow patches surrounded by green are common, butthere are no green patches surrounded by yellow. Proposean explanation for this phenomenon.
- Cells in the stem of a seedling that is grown in the dark orient their microtubules horizontally. How would you expect this to affect the growth of the plant?Plants reproduce through various methods. Explain which method helps to create genetic variability in crop plants? Moreover elaborate mechanisms promoting self or cross pollination.A Heterozygous plant, GgHhliJjKk is allowed to self-fertilize. What is the probability that an offspring will be GgHHliJjKk?
- Pollen contains the complete genetic material of the plant and is airborne. Describe the ways in which the spread of transgenes via pollen can be contained.Suppose we are studying the genes psbA (which codes for D1), DICER1 (which nonspecifically splices mRNA transcripts), and CYCLASE1 (which codes for a protein involved in apoptosis) in plant X. Which of the following would need to occur in the cytoplasm of plant X’s leaf cell to decrease the rate of photosynthesis? Inactivation of the psbA gene. Degradation of DICER1 mRNA transcripts in the cytoplasm. Increase the amount of P680+ Increase expression of CYCLASE1. a) 1,2and3 b) 1and3 c) 2and4 d) 4 only e) All of 1, 2, 3, and 4 are correctDuring plant cell cytokinesis, a network of parallel microtubules condenses around the select answer Cleavage Furrow Future plane of division Contractile ring . This becomes a site of expansion of the select answer Cleavage Furrow Cell plate Contractile ring , which fuses with the plasma membrane and partitions the cytoplasm into two cells.
- Which type of Stem modification is seen in banana ...What will be the flower structure of a plant in which expression of the following genes is inhibited in the specified whorls? a. Expression of class B genes is inhibited in the second whorl, but not in the third whorl. b. Expression of class C genes is inhibited in the third whorl, but not in the fourth whorl. c. Expression of class A genes is inhibited in the first whorl, but not in the second whorl. d. Expression of class A genes is inhibited in the second whorl, but not in the first whorl.A close relative of this flower has very large sepals compared to this one. Apply what you know about morphogenesis in plants to make a hypothesis of how A close relative of this flower has very large sepals compared to this one. Apply what you know about morphogenesis in plants to make a hypothesis of how gene expression might differ in the relative compared to this plant. Be sure to relate it to the figure above. in the relative compared to this plant. Be sure to relate it to the figure above.