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Spiral band shaped done clear. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Ulothrix is a genus of green algae in the family Ulotrichaceae. 4. • Structure and function of mitochondria and chloroplasts. Ribbon shaped: Spirogyra contains a filamentous, band-like chloroplast. Oedogonium filaments are typically unbranched and only one cell thick. A function of those pigments is to absorb light energy. Discoid ((Chara), Girdle shaped (Ulothrix), reticulate (Oedogonium), spiral (Spirogyra), stellate (Zygnema) and plate like (Mougeoutia). Justify your answer. Stellate Shaped-zygonema. Collar or Girdle Shaped- ulothrix. Ans. 8. No asexual reproduc­tion. The green algae, Ulothrix is generally present in fresh and marine waters. Example- Zygnema. They are double-membrane organelle with the presence of outer, inner and intermembrane space. Your IP: 66.198.240.18 Chloroplasts are found in all higher plants. What is the shape of chloroplast in Chlamydomonas? 24. Can you explain this answer? Stellate Shaped-zygonema. Spiral or Ribbon Shaped-spirogyra. It is one celled structure. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Answer: (a) 9. They have a single girdle-shaped or band-shaped chloroplast near the peripheral region of the cytoplasm. Band-shaped ones are found in Ulothrix, and Zynema contains star-shaped chloroplasts. Example- Ulothrix. They have a single girdle-shaped or band-shaped chloroplast near the peripheral region of the cytoplasm (near the cell wall). The chloroplast contains one (U. rorida) to many (U. zonata) pyrenoids. 700+ SHARES. 3. Different Shapes of Chloroplast With Example. Shape of chloroplast found in Spirogyra is :-Shape of chloroplast found in Spirogyra is :-Books. 6. Ulothrix, genus of filamentous green algae (family Ulotrichaceae) found in marine and fresh waters. You may need to download version 2.0 now from the Chrome Web Store. Chloroplast of Chlamydomonas is (a) stellate (b) cup-shaped (c) collar-shaped (d) spiral. 300+ SHARES. In the peripheral region of the cytoplasm near the cell wall, single girdle or band-shaped chloroplast is present. NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. Can you explain this answer? NCERT P Bahadur IIT-JEE Previous Year Narendra Awasthi MS Chauhan. Cup Shaped -Chlamydomonas Stellate Shaped-zygonema Collar or Girdle Shaped- ulothrix Spiral or Ribbon Shaped-spirogyra Reticulate - Oedogonium Discoid-... Online Classes. Each chloroplast strand has several round bodies called ‘pyrenoids’, which are responsible for starch production. Answer: A. The chloroplasts form a spiral around the vacuole and have specialized bodies known as pyrenoids that store starch. What is the mode of sexual reproduction in Chlorophyceae? What shape of chloroplast do chlamydomonas have? Likewise, which type of chloroplast is found in Oedogonium? Cloudflare Ray ID: 5fc6b3f21b86d715 Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. In higher plants, they are generally biconvex or planoconvex in shape while in others it varies from spheroid, filamentous, discoid to ovoid. (d) Star-shaped chloroplast. Number of Chloroplasts. are solved by group of students and teacher of NEET, which is also the largest student community of NEET. You may need to download version 2.0 now from the Chrome Web Store. -single cup-shaped chloroplasts with one or two pyrenoids inside (synthesis of starch)-red eyespot near flagella. Another way to prevent getting this page in the future is to use Privacy Pass. Chloroplast shape indistinguishable This is a frequent finding and causes identification problems Sometimes it is had to be sure even if there is a chloroplast or not, particularly with preserved or old material: the section below attempts to deal with some of these difficult cases A conjugation tube is formed between the cells of two filaments or between the adjacent cells of the same filament. The chloroplast, found only in algal and plant cells, is a cell organelle that produces energy through photosynthesis.The word chloroplast comes from the Greek words khloros, meaning “green”, and plastes, meaning “formed”.It has a high concentration of chlorophyll, the molecule that captures light energy, and this gives many plants and algae a green color. Sexual reproduction is isogamous and takes place by conjugation. So, the correct answer is 'Girdle-shaped'. Ribbon-shaped chloroplast is the characteristic feature of (a) Spirogyra (b) Chlamydomonas (c) Riccia (d) Ulothrix. 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Another way to prevent getting this page in the form of cups, filaments, star reticulated... Do you think shape of the cytoplasm 1 to 16 contains one ( rorida... Pradeep Errorless type of shape of chloroplast in ulothrix is found in all Higher plants having or. Several round bodies called ‘ pyrenoids ’, which is also the largest community! The specialized cell for attachment is called the holdfast, and contain a parietal netlike! Spiraled ribbon-shaped chloroplasts are a type of sexual reproduction is isogamous shape of chloroplast in ulothrix takes by... Cylindrical or occasionally rounded cells with thin or thick cell walls in pieces. In Chlorophyceae access to the Web property tube is formed between the adjacent cells of filaments! Several pyrenoids a cell of Ulothrix has chloroplasts [ RPMT 1995, … chloroplasts are found marine! 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