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A: Phytochrome is a growth hormone which regulates the growth, metabolism of the plant. It senses the…
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A: Plant hormones are also known as phytohormones. Plants hormones are signal molecules, produced…
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A: AGGREGATE FRUIT = Aggregate fruits are formed from polycarpellary( many carpels) , apocarous ovary .…
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A: Answer :- As we know that Auxins are powerfull development harmone created by plant normally. They…
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Q: It was observed during the early 20th century that the abscission zone of leaves of tree growing…
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Q: on the right side of a plant. Choose the statement that best describes the plant growth towards the…
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A: There are basically two main types of tropisms as follows: Positive tropisms - in this case the…
Q: This is a picture of the initial experiments to figure out how auxin and phototropism worked. How do…
A: Auxin is a plant hormone which functions in stem elongation .It shows apical dominance and inhibits…
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A: Plant hormones can be defined as organic compounds produced by plant cells or tissues which are…
Q: The pollen lands on which part of the flower? a. stigma b. style c. ovule d. integument
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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…
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A: Photoperiodism is the response of plants to duration and timings of light and dark periods. Plant in…
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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: Which of the following plants requires light hours above than critical photoperiod for flowering?…
A: Introduction: Flowering plants are a kind of vascular plant that produces blossoms to duplicate.…
Q: Identify the wrong match a.Senescence —Both auxin and ABA promote it b.Apical dominance — Auxin…
A: a.Senescence —Both auxin and ABA promote it b.Apical dominance — Auxin induces and Cytokinin…
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Which of the following is considered essential for germination?
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- 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.The apical bud of a plant produces which inhibits lateral bud growth through the process known as apical dominances. Select one: O a. Auxin O b. Cytokinin O c. Ethylene O d. Gibberellin O e. Abscisic AcidIdentify the wrong match a.Senescence —Both auxin and ABA promote it b.Apical dominance — Auxin induces and Cytokinin counteracts c.Dormancy — Both ethylene and GA break it d.Callus differentiation — Auxin and cytokinins
- The summer is not optimal for grape growing and you're searching in your memory for something regarding plant hormones. Explain 2 ways you could utilize plant hormones (choose from auxin, ethylene, cytokinin, gibberellin, abscisic acid, salicylic acid, jasonic acid) to compensate for a problem during growing. For each way:This is a picture of the initial experiments to figure out how auxin and phototropism worked. How do you expect the plant will grow in each scenario and why?Choose the best answer for following question It is present in a gaseous form. a. auxin d. ethyleneb. gibberellin e. abscisic acidc. cytokinin
- Which of the following is NOT an accurate statement about the acid growth hypothesis? Select one: O A. Expansins are activated by high acidity in the cell wall O B. It explains cell elongation in response to auxin O C. Wedge- shaped expansin enzymes separate cross-linking polysaccharides from microfibrils O D. It proposes that auxin increases the activity of proton pumps in target cells O E. Expansins cleave cross-linking polysaccharides Next F1) You exposed a plant to a light that shines on the right side of a plant. Choose the statement that best describes the plant growth towards the light. A. Light destroys auxin, and thus the shaded side grows faster. B. Auxin moves from the lighted side to the shaded side where it stimulates growth. C. Auxin moves from the shaded side to the lighted where it stimulates growth. D. Auxin moves from the shaded side to the lighted side where it inhibits growth. 2)Select a plant hormone that responsible in inhibiting protein breakdown and stimulating RNA synthesis. A. Abscisic acid B. Ethylene C. Cytokinins D. Auxins 3)Select the following organs that produces pollen grains. A. Anther B. Style C. Filament D. Ovule 4)Identify the best description of oviparity. A. Organism that gives birth to offsprings. B. Organism that forms the…Explain the concept of phototropism and how auxin is involve in this process. Give some examples.
- Choose the best answer for following question It causes leaf abscission. a. auxin d. ethyleneb. gibberellin e. abscisic acidc. cytokininWhich of these is caused by the effects of auxin? (choose all that apply) 1.Maintaining apical dominance 2.suppressing lateral bud growth 3. stimulating root growth in stem leaf buds 4.stimulating root elongation 5. preventing seed germination 6.phototropismUsing purified auxin, how would you manipulate a bed of tulips to have stems that bend to the west? Place the auxin on the west side of the stem. Place the auxin on the east side of their stem. Place auxin in the soil on the west side of the plants. Water the plants with auxin.