7. Name the gaseous plant hormone and describe three different actions of this hormone in plants. 8. Explain how the auxin:cytokinin ratio affects plant growth. 9. Which plant hormones are considered as growth inhibitorss? Why? 10. how does auxin promote phototropism?

Q: III. This hormone also helps in the plant regulation of body fluid. IV. It is the movement of a…

A: III. This hormone also helps in the regulation of body fluid. IV. It is the movement of a plant…

Q: Explain the importance of plant hormones.

A: Plants are autotrophs. They are called so because they are not dependent on other organisms and can…

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: Choose, Which part of the plant is not included in the shoot systems of plants?  a, stem b, leaves…

A: According to guidelines we have to answer the first question only. so please kindly post the…

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: 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: 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: 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: Which is considered as the plant's first line of defense against physical damage?Read and analyze…

A: A plant's first line of defense against infection is the physical barrier that is in the epidermis…

Q: Do seeds need light to germinat

A: Ans-It is a fact of life that most plants need light to grow and keep them healthy, but not all…

Q: 4.List the differences between tropism and nastic responses in plants.

A: Ans  Movement in plants  Plant actually don't move from one position to another position but they…

Q: Explain about Plant Hormones ? WHat is the importance of Plant Hormones ?

A: Hormones are non-nutrient chemical substances synthesized in both animals and plants. In animals, it…

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: Examples of plant hormones includea. cyclic AMP, IP3, and calcium ions.b. calcium, CDPKs, and DELLA…

A: Plant physiology is a field of botany that deals with the study of the physiology of plants. Plant…

Q: For the following find out whether they are a spice or an herb and from which part of the plant they…

A: Answer:   SPICE / HERB PART OF PLANT Black pepper Styptic herb used as spices Cultivated from…

Q: 1. How do plants cope with the change in season? Give a detailed description and explanation.

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

Q: Basil is common in vegetable gardens. Many gardeners grow this plant for its leaves, which provide…

A: Basil is defined as a culinary herb that belongs to the family Lamiaceae. Basil is native to various…

Q: 1. Some plants grow mostly upward and no side branches. This condition is known as A. Apical…

A: Phytohormones or plant hormones are specific chemical molecules that are released from specific…

Q: 4. How come plant hormones can elicit responses in some cells and not others? Is this unique to…

A: Any of several hormones that are produced or generated by plants that are responsible for…

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: rooting hormone

A: Plant growth is highly effected by various living conditions like the air, light, humidity, nature…

Q: When you look at a head of cabbage or lettuce, what are you seeing? Where is the stem? What about…

A: The two main axes of a plant are root and stem. The stem remains above the ground and have leaves on…

Q: What are the effects brought by cytokinin in plants? between cytokinin with auxin and hormone…

A: please post questions separately' name the hormone mentioned ,sorry i dont know the name of hormone…

Q: On a commercial scale, enhancing the level of _______ (hormone) can help to speed up fruit ripening.…

A: A phytohormone is an organic compound of plant origin, produced naturally in minute amount…

Q: Discuss how the property of plant cell totipotency has been utilised for plant propagation and…

A: Totiopotency is the term used to describe the ability of a single cell that can divide and develop…

Q: Write an account on interactions between gibberellins, indole acetic acid and abscisic acid in plant…

A: Gibberellin, Indole acetic acid and abscisic acid are plant hormones where gibberellin and indole…

Q: on the right side of a plant. Choose the statement that best describes the plant growth towards the…

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Q: 1. What advantages and disadvantages were encountered by the first plants to venture out onto land?…

A: Plants are defined as multicellular organisms that are predominantly photosynthetic eukaryotes that…

Q: Identify three major functions of roots. 2. Describe two types of specialized stems. What is each…

A: Introduction In Botany, The Root Is The Underground Portion Of A Vascular Plant. Its Key Tasks…

Q: 1. How do roots take in water and minerals? 2. How do roots develop from seeds? 3. Which type of…

A: We are answering only the first three questions for you, if you want any other solution please…

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: How do plants regulate flowering ?(explain the Molecular mechanism of flowering

A:

Q: Which of the following may stimulate the growth of the roots in plant cuttings? Select one: a. The…

A: Plant growth is the irreversible increase in volume and size and the main driver for this type of…

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: What hormone regulates water balance in plants? *       stomata abscisic acid no answer auxin…

A: Water balance in plants is maintained in several ways or we can say a combination of factors…

Q: 7. Which of the following is correct about plant shoots? a. Plant shoots are negatively phototropic…

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

Q: 1. What plant tissues can be found in the epidermis of lily and santan? 2. What plant tissues can be…

A: A tissue is a collection of cells of same origin and having same methods of development, performing…

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: Is bile an enzyme? Explain. Distinguish between ingestion and egestion What are the function of…

A: Digestion: Digestion in a complex process which is carried out with the help of numerous enzymes,…

Q: Do you agree that it is the stem that is growing? Why or why not? Notebook Entry 1 My seed has begun…

A: Germination is the process of seeds developing into new plants. When water is plentiful around the…

Q: An orchid plant is growing on the branch of mango tree.How do you describe this interaction between…

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Q: CHEMICALS AND SEED GERMINATION Introduction Synthetic auxins and auxintype plant growth substances…

A:

Q: 4. Mimosa pudica eloses its leaflets once touched due nastic movements. 5. Sliding filament theory…

A: The physiological changes in plants leading to movements, contraction, tropism is due to the…

Q: Which plant hormone mediates the seasonal abscission of fruits and leaves? gibberellin   ethylene…

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Q: 1. What is a vegetable? How is it different from fruit? 2. Explain the importance of fruits in…

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Q: An unripe avocado placed in a paper bag with an apple will ripen; its skin will turn darker green,…

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Q: 3.Which hormone promotes ripening of fruits? Read and analyze the question and choices CAREFULLY;…

A: Ripening in fleshy fruits induces changes such as coloure development, softening, starch hydrolysis,…

Q: 5.A plant gets rid of excess water through transpiration. Which is a method used by plants to get…

A: The removal of waste whether it is solid, liquid or gas from the living system is excretion.…

Q: Consider the tradeoffs between having a living exterior with guard cells vs. a thick layer of…

A: Cuticle is a waxy, water-resistant covering on a leaf's surface that prevents water loss. It covers…