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: If you removed a plant’s shoot apicalcmeristem and applied auxin to the cut surface, how would…
A: Auxins are a group of phytohormones that are produced in the tip of stem. It is responsible for…
Q: Compare and contrast (a) monocot and dicot roots, and (b) monocot and dicot stems.
A: The angiospermic, flowering plants can be divided into two types; Monocots: Paddy, grasses, palm…
Q: What is auxin’s role in phototropism?
A: A tropism is defined as a biological phenomenon that will indicate the growth or turning and…
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: Describe the differences between eudicot and monocotseed germination.
A: Introduction: One of the largest groups of flowering plants is eudicots while monocots are flowering…
Q: Explain why a shoot grows upward and a root grows downward.
A: Typical structure of a plant has two main parts: The shoot that stays above the ground. The root…
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: How do auxins act helpingthe lateral (secondary)growth of the stem?
A: Secondary growth or lateral growth is the growth that results from cell division in the cambia or…
Q: Tell the functionsof the root and give examples to hairyroot and taproot.
A: Roots are cylindrical underground and non green part of tha plant. It is generally the descending…
Q: How is the plant able to detect which way is up and which way is down?
A: A taxis is a type of movement in which the organism moves towards the stimulus or source of the…
Q: Explain how roots and shoots lengthen.
A: The structure of a typical plant can be broadly divided into two distinct zones; the part that grows…
Q: Explain the diference between short-day and long-day plants.
A: Step 1 Photoperiodism is the effect of photoperiods or relative lengths of day and night on the…
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: Contrast the branching of roots and shoots.
A: Root branching is a critical mechanism in the development of a plant's root system and an important…
Q: What causes polar movement of auxinfrom shoot tip to base?
A: Auxins are known as master plant hormones as they influence the structure, development, and behavior…
Q: Abscisic acid (ABA) is produced at both terminal bud and root. Explain how ABA produced in root…
A: Plants growth hormones also called as phytohormones are the chemical messengers that help in the…
Q: Is this part of the shoot system or the root system? Expl used to describe it.
A: Root system forms the roots that grows Underground to absorb water and Minerals from the soil and…
Q: Why plant disease diagnosis is important in plant pathology?
A: Introduction: Plant pathology: It is a science that deals with the study of pathogens that causes…
Q: Is it true that in the gravitropic response of horizontal roots, high auxin concentration on the…
A: Auxins are responsible for growth of plant by cell division.
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: rooting hormone
A: Plant growth is highly effected by various living conditions like the air, light, humidity, nature…
Q: Explain the differences in the germination of a monocot and a dicot.
A: The plants consist of roots, stem, leaves, fruits and flowers. The conduction system in plants are…
Q: Differentiate between auxins and gibberellins.
A: Plant hormones are among the most important biochemicals affecting plant growth and yield production…
Q: In angiosperms, the conduction of water is more efficient because their xylem has vessels. Give…
A: Angiosperms are the only vascular plants which have seeds with flowers and fruits. The angiosperms…
Q: Most dicots have a |(transient, persistent) endosperm, while grasses have |(transient, persistent)…
A: The endosperm is a tissue produced inside the seeds. It supports the embryo by supplying…
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: Sketch observations of the corn and Lima bean stem cross section. Indicate which is a mono or stem…
A: Sketch observations of the corn and Lima bean stem cross section. Indicate which is a mono or stem…
Q: Explain the concept of phototropism and how auxin is involve in this process. Give some examples
A: Thank you for the question Answer :- Phototropism :- its defined as growth of a plant in response…
Q: If the PIN2 gene is rendered non-functional by mutation it dramatically reduces the speed of the…
A: PIN1 is an 18kD protein that is responsible for the nucleocytoplasmic transport of mRNA and other…
Q: Indole is the precursor of Auxin
A: Indole-3-acetic acid is the main naturally occurring auxin. It is synthesized using tryptophan as a…
Q: Give five differences of shoot apex of monocot vs shoot apex of dicot
A: The apical meristem, developing leaves, and the immediate surrounding leaf primordial make up the…
Q: Explain the reason why the roots lack the protective covering like the plant surface which has a…
A: Roots are the parts of vascular plants that are normally found below ground. During seed…
Q: Explain why phloem is necessary to produce roots.
A: The vascular tissue present in the plant allows the transportation of nutrients and water by a…
Q: An orchid plant is growing on the branch of mango tree.How do you describe this interaction between…
A: Orchid is an example of epiphyte because they grow on other plant but don't draw nutrition from…
Q: Describe the sub-aerial modifications of the stem.
A:
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: Nutrients in the soil, such as phosphorus and potassium, play an important role in plant…
A: “Nutrients are the compounds required and that provide energy, allowing to heal and in the…
Q: Describe the effect on a young seedling if the cotyledons are removed when the plant breaks through…
A: Cotyledons: A young plant that grows from a seed is called a seedling. This seed can either be of…
Q: Describe the unique way that auxin can move through a plant.
A: Auxins are a type of plant enzyme that resembles morphogens in some ways. Auxins are important for…
Q: Differentiate between(a) Racemose and cymose inflorescence(b) Fibrous root and adventitious root(c)…
A: A flower is the reproductive structure of plants. It biological function is to aid the fertilization…
Q: Dicot stem and Monocot Stem
A: As we know that, Monocot stem is a circular shaped hollow axial part of the plant which gives rise…
Q: Auxin causes the bending of shoot toward light by?
A: Auxin class of plant hormones plant-growth regulators) with some morphogen-like characteristics.…
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Solved in 2 steps
- Which of the following statements is false? a. Auxin and gibberellin promote stem elongation b. Cytokinin promotes cell division in shoot tips c. Abscisic acid promotes water loss and dormancy d. Ethylene promotes fruit ripening and abscission.Explain how varying amounts of light and darkness induce flowering.The stress hormone that helps plants respond to drought is (a) auxin (b) gibberellin (c) cytokinin (d) ethylene (e) abscisic acid
- Describe the effect on a young seedling if the cotyledons are removed when the plant breaks through the soil.Explain the concept of phototropism and how auxin is involve in this process. Give some examples.Which combination of hormones is best for promotingthe formation of lateral roots from pericycle?a. A high auxin level and low cytokinin levelb. A low auxin level and high cytokinin levelc. A high level of auxin and cytokinin
- Explain giving reasons the bending of the shoot tip of a plant towards light source coming from one side of the plant.Auxin causes the bending of shoot toward light by?A. Causing cells to shrink on the dark side of the shootB. Causing cells to shrink on the lighted side of the shootC. Inhibiting growth on the dark side of the shootD. Stimulating growth on the lighted side of the shootE. Stimulating growth on the dark side of the shootWhy a flower is emascuated and auxin is applied to its stigma?