A В C 3. Identify: a. specific type of leucoplast abundant in cells labeled as A? b. C? c. D? (specific classification as to development)? d. structure that forms in tissue labeled as B? В
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- These plant cells are are distinctive for having thickened corners of the cells when examined as a cross-section: Select one: a. Collenchyma b. Sclerenchyma c. Parenchyma d. Fibers e. ScleridsFALSE stamen about Fibroblasts: O a. synthesize glycosaminoglycans O b. found in both active and inactive state O c. produce antibodies (immunoglobulin) O d. are the main cell type found in proper connective tissue O e. synthesize protein fibers Clear my choiceDetermine the collective true-false status of the statements using the choices below. I. Collenchyma cells stay alive in mature tissue.; II. Variably shaped cells of sclerenchyma die when they are mature.; III. The thick cell walls of sclerenchyma contain a high proportion of durable compounds such as pectin which lend sturdiness to plant parts and help them resist stretching and compression.; IV. In collenchyma, chitin imparts flexibility to these cells’ primary wall, which is thickened unevenly where three or more of the cells abut one another. All statements are true. Only three (3) statements are true. Only two (2) statements are true. Only one (1) statement is true. None of the statements is true.
- UntouhedLeaves Describe what happened to the Mimosa leaf when touched. The picture on top shows a screenshot of the reaction of the plant leaf to touch presenting rapid response or nastic movement. Choose the correct statement that describes your result.. a. The leaf would rapidly move to clump together. b. Leaves moves as if it is being moved by wind. c. The plant dies since its hyper sensitive to touch. d. Leaf would bend to look it has been wiltedChoose the best answer for following question. Tracheids and vessel elements would be found in:a. vascular tissue.b. ground tissue.c. epidermal tissue.d. meristem tissue.6. What type of leaves has a structure that minimizes the harmful effectsa. Scale leavesb. Megasporophyllsc. Bract leavesd. Microsporophyll7. This describes the venation that is rolled from the apex to the basea. Circinateb. Plicatec. Revoluted. Involute8. This arrangement if veins in leas is described as having a primary vein called midveina. Dichotomousb. Reticulatec. Pinnatelyd. None of the choices9. What cells contain numerous chloroplastsa. Collenchymab. All of the abovec. Sclerenchymad. Parenchyma
- Name 3 plant extracts that have demonstrated their significant antifungal activity against a broad range of fungal human pathogens. (Select all that apply) Choose at least one answer. a. fennel b. cilantro c. thyme d. basilDetermine the collective true-false status of the statements using the choices below. I. In most eudicot leaves, large veins branch into a network of minor veins.; II. A leaf’s lower surface usually has fewer stomata than the upper surface.; III. A leaf’s upper surface typically receives the most direct sunlight may have a thicker cuticle than the lower surface.; IV. Epidermal cells secrete a translucent, waxy cuticle that slows water loss. None of the statements is true. All statements are true. Only three (3) statements are true. Only one (1) statement is true. Only two (2) statements are true.Choose the option having correct set of dedifferentiated tissues a.Wound cambium, intrafascicular cambium b.Phellogen, intercalary meristem c.Cork cambium, interfascicular cambium d.Cork cambium, wound cambium, apical meristem
- 13 The arrangement of veins in a leaf is called venation. Swati collected the following information about leaf venation and roots of different plants from her teachers. S.No. Name of the plant Type of leaf venation Type of roots 1 Apple Aloe vera Reticulate Таp гoot Parallel a Fibrous roots 3 Mango Reticulate Tap root Coconut Parallel Fibrous roots 5. Grass Parallel • Fibrous roots Oak Reticulate Таp гoot Swati observed a strange plant in her garden. She saw that its leaves had parallel venation. Which of the following is most likely to be true about the plant, based on the available data? A. It is probably an aloe vera plant. B. It probably has fibrous roots. C. It probably does not bear fruits. It will probably grow into a tall tree. A SHOT ON OPPO4. Which of the following statements accurately compares two of the types of chordae tendineae? a. Tertiary chordae tendineae attach to the leaflet margins and prevent marginal prolapse of the leaflet, whereas primary chordae tendineae attach the annulus and base of the posterior leaflet to the papillary muscle. b. Tertiary chordae tendineae anchor the leaflets' ventricular surface to the papillary muscle and relieve tension, whereas secondary chordae tendineae attach the annulus and base of the posterior leaflet to the papillary muscle. c. Secondary chordae tendineae attach to the leaflet margins and prevent marginal prolapse of the leaflet, whereas primary chordae tendineae anchor the leaflets' ventricular surface to the papillary muscle and relieve tension. d. Primary chordae tendineae attach to the leaflet margins and prevent marginal prolapse of the leaflet, whereas secondary chordae tendineae anchor the leaflets' ventricular surface to the papillary muscle and relieve tension.which of the following best describes the parenchyma tissue? a. cells with moderately thick walls for flexibility b. cells with very think walls with lignin for strength and support c. cells that are long with tapered ends and cell walls with pits d. cells that long and thin with large pores at their ends e. cells with large spaces for water storage