Q: Thigmotropism is a plant response toa. light. b. cold.c. touch. d. gravity. e. drought.
A: Answer is c.) touch.
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 exposed seeds to a series of red light versus far-red light treatments, which of the…
A: Introduction: To absorb light, plants have specific pigments called phototropin and phytochrome.…
Q: A difference between monocot and dicot plant stems is thea. absence of buds in monocots.b.…
A: Angiosperms or flowering plants are the largest and most diverse group within the kingdom of…
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: A plant lacking the WOODEN LEG gene will likely a. be incapable of transporting water to its…
A: Plants are autotrophs. They are called so because they are not dependent on other organisms and can…
Q: Gaseous hormones are able to enter cells without requiring specialmembrane transporter. Which of the…
A: Plant hormones are some chemical compounds that are present in very low amount in plant body. They…
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: Iron deficiency results in- (A) Leaf tip necrosis (B) Small leaves disease (C) Decreased protein…
A: Introduction - Iron is a key component of electron chains and a cofactor in a number of important…
Q: On the trunk of a tree , lenticels have the function of
A: The woody plants contain an outer hard layer called "periderm" in the trunks of plants. The periderm…
Q: The coconut water from tender coconut is A. cellular endosperm. B. free nuclear endosperm. C. both…
A: Coconut is an edible fruit found in the tropical areas it is a species of the palm family. It has…
Q: Which combination of hormones is best for promotingthe formation of lateral roots from pericycle?a.…
A: In root and shoot formation of plant, auxin play a very important role. Internal and external…
Q: The ability of a sunflower plant to become taller is directly due to its a. apical meristem. c.…
A: Answer is a) Apical meristem.
Q: During germination cotyledons come out of the soil in a.Rice b.Mango c.Maize d.Castor
A: Germination can be defined as the process by which seeds of a given plant start developing into…
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: Which of these is caused by the effects of auxin? (choose all that apply) 1.Maintaining apical…
A: Answer :- As we know that Auxins are powerfull development harmone created by plant normally. They…
Q: An animal pollinator may be rewarded by______ when it visits a flower of a coevolved plant (choose…
A: Introduction :- A pollinator is anything that helps carry pollen from the male part of the flower…
Q: Auxin is synthesized in light but stored in the dark Select one: O True O False
A: Local auxin biosynthesis via light-excited flavin compounds in the presence of tryptophan in plant…
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: Plant growth is due to
A: Energy is the basic element required for organisms to survive. Every organisms including plants…
Q: Match the hormone with the description. ___ ethylene a. efflux carriers set up…
A: nitric oxide - active in bursts cytokinin - works antagonistically to auxin in apical dominance…
Q: Which of the following helps plants during high temperature and water deficit Select one: O ethylene…
A: Introduction Plant hormones or phytohormones are plant growth regulators that are simple molecules…
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: It was observed during the early 20th century that the abscission zone of leaves of tree growing…
A: Solution Weakening of abscission zone was caused by ethylene ( gaseous plant growth regulator).…
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: 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: on the right side of a plant. Choose the statement that best describes the plant growth towards the…
A: The questions are related to reproduction. The production is the process by which an individual is…
Q: A decrease in the level of which hormone releases seeds from dormancy? a. abscisic acid b. cytokinin…
A: Plant hormones are the synthetic compounds which are blended by plants normally during the metabolic…
Q: Besides the seed, what other major structure diminishes a plant’s reliance on water for…
A: Seed can be defined as the embryonic plant that is enclosed in the protective outer covering. The…
Q: Which of these plants can cause you some pain and suffering if you come into contact with their…
A: This is a plant native to Europe. It is also found in parts of US. When comes into contact can cause…
Q: What happens when a stem is positively tropic to a certain stimulus? a. Auxins will respond by…
A: There are basically two main types of tropisms as follows: Positive tropisms - in this case the…
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 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: Root hairs____ . a. conduct water from cortex to aboveground shoots b. increase the root’s surface…
A: Roots are the underground structures of plants.
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: 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: 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: Stomata (a) help prevent desiccation of plant tissues (b) transport water and minerals through plant…
A: Plants produce their own food by the process of photosynthesis. Plants have leaves that helps in…
Q: Explain how auxins, produced in the tips of plant shoots, cause the shoot to bend Furt down the…
A: An auxin, is a plant growth hormone that helps regulate shoot growth. Under normal light conditions…
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: When guard cells swell,______ . a. transpiration ceases c. stomata open b. sugars enter phloem d.…
A: Introduction :- Guard cells are found in the epidermis of the leaf, and pairs of guard cells…
Q: Plants absorb most part of water needed by them through their: A. embryonic zone B. growing…
A: Water maintains the turgidity of plants. It is essential for enzymatic activities in protoplasm and…
Q: Which of the following plant structures is not a defense against herbivory? a. thorns b. spines c.…
A: When animals consume a plant and its materials, then it is termed herbivory. The animals that eat…
Q: Auxin causes the bending of shoot toward light by?
A: Auxin class of plant hormones plant-growth regulators) with some morphogen-like characteristics.…
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.…
______is the hormone in most rooting compounds.
a. Gibberellin c. Cytokinin
b. Auxin d. ABA
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- Which of the given plant hormone will be more abundant in dormant buds and seeds? a.Gibberellin b.ABA c.Ethylene d.AuxinRoot cells exhibit positive gravitropism with the help ofa. auxin in the root cells.b. amyloplasts in root cells.c. exposure to sunlight.d. a nearby substrate.Which of the following may stimulate the growth of the roots in plant cuttings? Select one: a. The use of auxins. b. A decrease in soil minerals. c. A decrease in enzymes. d. The use of endocrine secretions.
- 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 cytokininPruning plants can promote lateral stems and increased plant biomass by _____________. Select one: a. suppressing cytokinin transport b. suppressing auxin transport c. promoting cytokinin transport d. promoting auxin transportThe hormone that helps plants respond to drought is (A) auxin. (B) abscisic acid. (C) cytokinin. (D) ethylene.
- 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.Match the observation with the main hormones.. ___ ethylene a. Your cabbage plants bolt they form elongated flowering stalks. ___ cytokinin b. The potted plant in your room is leaning toward the window ___ auxin c. Lateral buds are sprouting. ___ gibberellin d. The seeds of your roommates marijuana plant do not germinate no matter what he does to them. ___ abscisic acid e. The last of your apples is getting really mushy ___ nitric oxide f. Your lettuce plants develop brown spots on their leaves.Elevated levels of this hormone promote seed dormancy? Select one: a. gibberellin b. abscisic acid c. ethylene d. salicyclic acid e. auxin
- A plant mutant that shows normal gravitropic bending butdoes not store starch in its plastids would require a reevaluationof the role of _____________ in gravitropism.(A) auxin(B) calcium(C) statoliths(D) differential growthPlants hormone that induces cell division is: A. auxins B. gibberellins C. kinins D. dominsWhen you prune shrubs to make them “bushier”—that is, to prevent apical dominance—you are affecting the distribution and action of which plant hormone? (a) auxin (b) jasmonic acid (c) salicylic acid (d) ethylene (e) abscisic acid