Sometimes, plant endogenous enzymes can help breakdown cell walls. This will occur in _____ with the help of the _____. Select one: a. fruits, cellulase b. roots, cellulose c. roots, pectinase d. none of the above e. fruits, pectinase
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- 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 AcidExamples of plant hormones includea. cyclic AMP, IP3, and calcium ions.b. calcium, CDPKs, and DELLA proteins.c. auxin, cytokinin, and gibberellin.d. cryptochrome, phototropin, and phytochrome.e. statoliths, pulvini, and aerenchyma.Which 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 elongation
- Which of the following statement is NOT TRUE about plants? Lütfen birini seçin: O a. A plant can grow throughout its life; this is called indeterminate growth O b. Plants are the only organism capable of photosynthesis O c. Fruits in plants protect seeds and aid in seed dispersal O d. The plant body is divided into a root system and a shoot system, connected by vascular tissue that is continuous throughout the plant O e. the transfer of pollen from anther to stigma is called pollinationCytokinins, which control root and shoot meristem activities, apical dominance, leaf senescence, root vs. shoot differentiation in tissue culture, are synthesized at transported through and A. root apical meristems, xylem B. shoot apical meristems, xylem C. root and shoot apical meristems, phloem D. young shoots and seeds, phloem and xylemWhich of the following is not a plant adaptation to land?a. ability to undergo photosynthesisb. protection of the embryo in maternal tissuec. development of flowersd. presence of vascular tissuee. seed production
- A seedling was turned on its side and placed in a dark room. After a couple of days, it was observed to have the following growth pattem. Seedling turned on side Stem grows upwards, roots grow downwards Which of the following is the best explanation for this observation? F Phototropism G Geotropism H Photosynthesis J Thigmotropism questions.Match the following plant cells and tissues with their definition: - v Collenchyma A. grouped in strands and help support young parts of the plant shoot. They have unevenly thickened primary cell walls. - v Sugar-conducting cells of the phloem B. are alive at maturity, but lack organelles. Each sieve-tube element is connected to a companion cell by plasmodesmata. Water-conducting cells of the xyleem v Sclerenchyma C. The two types of water-conducting cells, tracheids and vessel elements, are dead and lignified at maturity. - v Parenchyma D. rigid due to thick secondary walls containing lignin, dead at functional maturity and play a role in support in the plant. E. cells are flexible and provide the most diversity of functions (such as photosynthesis)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:
- Some plant hormones oppose the effect of each other. Auxins and cytokinins for example. Whereas auxins prevent shoots from branching, cytokinins promote the development of branches. What other hormones also exhibit such opposing effects? Explain your answer briefly.Which of these is an incorrect contrast between monocots (statedfirst) and eudicots (stated second)?a. one cotyledon—two cotyledonsb. leaf veins parallel—net veinedc. pollen with three pores—pollen with one pored. flower parts in threes—flower parts in fours or fivese. All of these are correct.Plants grow through division of________ cells and differentiation of the resulting daughter cells. Thesedividing cells reside in two locations: at the tip of a shoot orroot, called the______ , and in cylinders along thesides of roots and stems, called________ . Which is responsible for primary growth?_______ Which is responsible for secondary growth?_________
