WebHere you can find the meaning of The mesophyll tissue of Pinus needle is -a)Collenchymab)Spongy parenchymac)Armed parenchymad)Transfusion tissueCorrect answer is option 'C'. Can you explain this answer? … WebMesophyll is not differentiated into palisade and spongy parenchyma. Thin walled cells with chloroplasts are present. The cells are peculiar with numerous small infoldings which …
Pinus: External Morphology and Different Parts - Biology …
WebArmed mesophyll cells are a conspicuous feature of pine needles that must be familiar to anyone who has examined needle cross-sections under a microscope. The cell walls are … Webcompanion cells . The correct answer is the letter "C. Companion cells" because gymnosperms only possess or have companion cells it lacks sieve cells and technically sieves tubes. Most of the choices given are possessed by angiosperms not gymnosperms. With that, we can conclude that the correct answer is the letter "C.". can airport scanner detect money
Which of the following is not true of collenchyma cell walls …
WebJun 2, 2024 · The needle-like leaves of pine (Pinus) are more complex. The mesophyll, which is not differentiated into palisade and spongy layers, surrounds a central region … WebSalient Features of Pinus •They are evergreen, perennial lofty trees with spirally growing branches which give pyramidal or conical appearance. •The body is divided into stem, roots and needle-like leaves. •The stem is erect and cylindrical and is covered with bark. WebOct 6, 2024 · Similar to the findings here, mesophyll cells of several species have been shown to avoid freeze-dehydration and to keep the cell water inside the cell and to supercool (Trachycarpus fortunei ; Sasa senanensis ; Pinus mugo ) despite the presence of ice. However, potato mesophyll cells have a limited supercooling capacity. fisher more school colne