Guard cells are the only epidermal cells to contain chloroplasts. Chloroplasts are roughly 1–2 μm (1 μm = 0.001 mm) thick and 5–7 μm in diameter. In the (a) leaf drawing, the central mesophyll is sandwiched between an upper and lower epidermis. Biology. Column shaped cells that lie just under the epidermis. 1 decade ago. Favourite answer. 1 decade ago. 1 Answer krishna kishore G. Jul 29, 2016 In a leaf in between the upper epidermis and lower epidermis a large number of parenchyma are arranged which can be viewed in the Transverse Section of a leaf. The waxy covering of the leaf: _____ 6. _____ 7. The size of the chloroplast usually varies between 4-6 µm in diameter and 1-3 µm in thickness. The mesophyll can be further broken down into two layers, the palisade layer and the spongy layer, both of which are packed with chloroplasts, the factories of photosynthesis. What two layers of the plant contain chloroplasts? What lies underneath the cuticle: _____ 5. In the palisade layer, chloroplasts are lined in columns just below the epidermal cells, to facilitate the capture of light. The outermost layer of cells: _____ 5. Chloroplast in a plant cell is a membrane-bound cell organelle, contain chlorophyll pigments that are absent in the animal cell. Plastids assist in storing and harvesting needed substances for energy production. 2 Answers. The study of chloroplast was first carried by a scientist named Hugo Von Mohl in the year 1837.After his study, it was found that the chloroplasts were the type of plastids and hence it was named “Chloroplastids” by a scientist named Schimper in the year 1883. 1. These cells function to open and close stomata. 0 0. ahmed. Both layers of the mesophyll contain many chloroplasts. Notice that the chloroplast has two membranes. What two layers of the plant contain chloroplasts? Column like cells that lie just under the epidermis. palisade and spongy mesophyll. _____ 4. These cells function to open and close stomata. Which two layers of the plant contain chloroplasts? Thylakoids are disk shaped structures that contain photosynthetic pigments. The cortex of stems often contains chloroplasts as well. What two layers of the plant contain chloroplasts? Science - "Cells" Unit test Answers. spongy mesophyll and palisade mesophyll of leaves. cuticle and upper epidermis. answer choices . xylem and phloem. : _____ 6. Lv 7. A chloroplast contains a green pigment called chlorophyll, which absorbs light energy for photosynthesis.Hence, the name chloroplast indicates that these structures … No, viruses are not alive because they rely on a host organism to be able to reproduce. Each thylakoid is a single, closed compartment. For my connexus friends, Here is an (almost) entire sheet for the Cells unit test. _____ 4. Photosynthesis occurs in eukaryotic cell structures called chloroplasts. The inner membrane is folded into many layers. … Q. upper and lower epidermis. SURVEY . The waxy covering of the leaf. 30 seconds . 4) The . Outer layer of the vein: _____ 8. Relevance. Outer layer of the vein: _____ 8. Which number is pointing to the vein or vascular bundle of the leaf? The inner membrane layers fuse along the edges to form thylakoids. Tags: Question 19 . Answer Save. ecolink. Palisade layer and Spongy layer. answer choices . They are double-membrane organelle with the presence of outer, inner and intermembrane space. What two layers of the plant contain chloroplasts? They are enclosed in a chloroplast envelope, which consists of a double membrane with outer and inner layers, between which is a gap called the intermembrane space. In aquatic plants, the intercellular spaces in the spongy parenchyma help the leaf float. It is oval or biconvex, found within the mesophyll of the plant cell. 3) What two layers of the plant contain chloroplasts? _____ 7. A chloroplast is a type of plant cell organelle known as a plastid. 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