A high auxin to cytokinin ratio provide shoot formation while a high cytokinin to auxin ratio provide root formation. Lütfen birini seçin: O a. False O b. True
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- B. Identify the plant responses to inducing hormones. Choose your answers in the box and write the correct answers on the blank. G. FLORIGEN A. AUXIN D. ABSCISIC ACID B. GIBBERELLINS E. ETHYLYNE H. METHYL SALICYLATE C. CYTOKININS F. SYSTEMIN _1. Seed germination _2. Phototropism _3. Maintains seed dormancy _4. Shoot elongation _5. Leaf drop _6. Stimulates lateral bud _7. Influence flowering 8. Gravitropism _9. Closes stomata _10. Prevents lateral bud sprout (apical dominance) _11. Fruit development 12. Fruit ripening 13. Gaseous hormoneIdentify 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 cytokininsChoose the best answer for following question Stomata close when a plant is water-stressed. a. auxin d. ethyleneb. gibberellin e. abscisic acidc. cytokinin
- Which 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.phototropismWhich of the following is NOT a function of auxin? O Fruit ripening Retarding leaf abscission O Promoting the formation of lateral roots O Enhancing apical dominance Stem elongationThe 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 Acid
- What do you mean by wilting? State a condition for a plant to wilt.The clinging of xylem sap to the xylem walls to prevent the sap from moving downward is due to Select one: O a. transpiration. O b. adhesion. concentration gradient. O d. cohesion. Chapter 9 and 12 Assignme xam Ch 7 and 8 Written Response Jump to... Assignment - Jan 26 C F5 F2 F3 F4 F6 F7 F8 F9 F10 11 #3 & 3.What are differences between summer and winter melons? (select all that apply) summer are climacteric, and winter are nonclimacteric b. summer contain much more fiber and keep for longer than winter summer fall off their stems when ripe, winter are always harvested with part of the stem still attache 4. cantaloupes and honeydew are summer melons, pumpkins and butternut squash are winte
- Which of the following phrases best explains how differing maturity levels of the pistil and stamen are beneficial for some flowers ? ANSWER CHOICES ARE IN THE PHOTO. thanksPhloem tends to flow downward because Select one: O a. the pressure in the leaves is usually lower than the pressure in the roots. O b. the pressure in the roots is usually higher than the pressure in the stems. O c. the pressure in the roots is the same as the pressure in the leaves. O d. the pressure in the roots is usually lower than the pressure in the leaves. a Ch 7 and 8 Written Response ssignment - Jan 26 Jump to... ChaChoose the best answer for following question Grapes can grow larger and exhibit stem elongation. a. auxin d. ethyleneb. gibberellin e. abscisic acidc. cytokinin