The reproduction process for this organism occurs through fruiting strucures known as sporangia. Rhizopus rot is a soft rot of harvested or over-ripe stone fruits, such as peaches, nectarines, sweet cherries, and plums. Bread mold, Rhizopus stolonifer, most often reproduces asexually. Sexual reproduction is less common. Is this method sexual or asexual? c.Leaves. What is produced when rhizopus reproduces sexually? The common bread mould plant (or Rhizopus fungus) reproduces by the method of spore formation. Asexual Reproduction of Rhizopus: 1. Potato plant shows vegetative propagation by which part? Rhizopus is a fungus that reproduces by spore formation. Multiple Choice Questions with Answers. 36. budding. zygospore & zygosporangium Do cheetahs reproduce sexually or asexually? 14-50, A). The nourished fungus forms upright structures that contain the fungal spores. In mushrooms, the basidia are found on the. Asexual. How do rhizopus reproduce? d.Flowers. ... (1 to 30 mm in diameter), and reproduces by narrow-based buds (Fig. The fungal hyphae give rise to a globular structure known as sporangium. Rhizopus is a genus of saprophytic fungi on plants and specialized parasites on animals. b. by conjugation and asexually only. a.Rose. This organism reproduces by sexual and asexual reproduction. With the help of a diagram explain the reproduction in amoeba and hydra. Downy mildews (phycomcycetes) causing blight of potatoes and buckeye rot of tomatoes can produce sexual spores known as oospores. (a) Name the method by which bread mould (Rhizopus fungus) reproduces. The lack of septa enables the mold to be named coenocytic. (CCE 2015, CBSEA.I. (e) Yeast reproduces by the same method as Hydra, i.e. The sporangiophores are unicellular, unbranched and multinucleate structures which bear bag like structure called sporangia. R. stolonifer is a threadlike mold and a heterotrophic species; it is dependant on sugar or starch for its source of carbon substances for food. … Reproduction begins soon after bread mold finds a suitable substrate and sends out its feeding structures, or hyphae, to absorb nutrients. 5.Which of the following can be grown by stem cutting? The thick cover on the spores protect them from unfavourable conditions till they reach a moist surface and start to grow. With the help of conidiospores. Rhizopus reproduces. If you pick a mushroom do you kill the entire fungal body. Conditions favourable for spore formation are: Darkness, dampness, cool place and presence of dead cells. Free PDF Download of CBSE Class 10 Science Chapter 8 How do Organisms Reproduce? MCQ Questions for Class 10 Science with Answers was Prepared Based on Latest Exam Pattern. ADVERTISEMENTS: 1. b.China rose. Conidiospore: Conidiospore or conidia are single celled, bicelled or multicelled structure born on the tip or side of aerial hyphal structure called conidiophore; Conidia are different from sporangiospore as these are not produced inside sporangium or any sac like structure. Mold – a filamentous fungus that produces hyphae (thread-like structures and usually spores or condia for vegetative reproduction. It is through these asexual or sexual spores that the fungi reproduce. Rhizopus reproduces a. by conjugation only. Answer to l4. 4.Potato plant shows vegetative propagation by which part? (b) What is yeast? The tiny spores of bread mould plant (or Rhizopus fungus) are almost always present in the air. 6. d.All of these. Asexual reproduction. Due to accidental breakage the stolon may break up into two or more small units. this is : (A) Rhizopus Fungus (B) Penicillium Fungus (C) Yeast Fungus (D) Mucor Fungus - Science and Technology 2 One of the following does not reproduce by spore formation method. 2. Named for their beautiful spiral chloroplasts, spirogyras are filamentous algae that consist of thin unbranched chains of cylindrical cells. YEASTS: They are single cell fungi, Which among the following is a unicellular organism that reproduces by budding: (a) Hydra (b) Planaria (c) Yeast (d) Spirogyra. GENERAL DESCRIPTION OF THE ORGANISM. Which of the following reproduces by spore formation? (CBSE 2012) Answer: Rhizopus reproduce by spore formation. Each nucleus gets surrounded by a part of cytoplasm and, thus, develops into a spore.These spores, then, mature inside the sporangium. Rhizopus stolonifer. ADVERTISEMENTS: In this article we will discuss about the asexual and sexual reproduction of rhizopus. Yeast – a single-celled, eukaryotic (membrane-bound nucleus) fungus that usually reproduces by budding. […] Which among the following does not reproduce by spore formation: (a) Penicillium fungus (b) Yeast fungus (c) Mucor fungus (d) Rhizopus fungus. a.Stem. What nuclear arrangement is unique to the ascomycota and basidiomycota? Rhizopus stolonifer grows primarily as mycelia, which consists of long filamentous cells, or hyphae, that lack cross walls, known as septa. b.Root. when the spores come in contact with a moist surface , it develops into new individual. Each unit is capable of growing as mother mycelium. Hence it reproduces by spore formation and not by fragmentation Which of the following reproduces by spore formation? It takes place by spores formed in the sporangium. c. by budding and asexually only d. all of the above Brainstorming Session . One of the Following Does Not Reproduce by Spore Formation Method. Spirogyra is a green algae belonging to the class chlorophyceae. The … Examples: Rhizopus; ii. Question 1 How does spore formation take place in Rhizopus? by sexual reproduction only. List three conditions favourable for spores to germinate and grow. AMOEBA , PARAMAECIUM , PLASMODIUM , YEAST , HYDRA SPYROGYRA ARE NOT PRODUCED BY SPORE FORMATION. Rhizopus oryzae is a filamentous heterothallic microfungus that occurs as a saprotroph in soil, dung, and rotting vegetation. example - rhizopus , mucor , penicilium etc. - 1919251 a. Amoeba b. Plasmodium c. Spirogyra d. Yeast. 3. Multiple Choice Questions with Answers to know their preparation level. 2. Spore Formation The parent plant produces hundreds of reproductive units called spores. The rapid spreading of bread mould on slices of bread are due to: Rhizopus reproduces sexually by. A single sporangium develops at the tip of long, erect sporangiophore. Answer. Question 2 Explain the structure of new plant on moist bread ? Name an organism which reproduces by spore formation. Answer: In spore formation method structures called sporangia produces tiny cells called spores. No Mycelium is under the soil. Fungi are of mold or yeast types. 6. (c) Why are these structures protected by thick walls ? c.Guava. Rhizopus reproduces by spore formation. Rhizopus reproduces asexually by sending up vertical stalk called sporangiophore which lumps at the tip to produce a sporangium. a. Rhizopus Stolonifer reproduces by vegetative, asexual and sexual means. ascospores. The genus Spirogyra comprises more than 300 species and most of them are free floating algae. However, some species like S. rhizopus, S. dubia etc are found attached to substratum by the means of rhizoids. They reproduce by either vegetative or asexual and sexual reproduction. Get here important MCQs on CBSE Class 10 Science Chapter 8: How Do Organisms Reproduce. 5. Examples: Aspergillus, Peniciilium, Rhizopus. Question 17. Budding is a form of _____ reproduction. Coenocytic means that the mold is a multinucleate cell enclosed by one cell wall that contains chitin. Spirogyra, any member of a genus of some 400 species of free-floating green algae found in freshwater environments around the world. a. Spirogyra b. Yeast c. Planaria d. Rhizopus Answer: (d) Rhizopus is the result of spore formation. The sporangia breaks open and spores are released into the environment. Black Bread Mold. The dry, powdered yeast used to bake bread actually contains. Rhizopus reproduces by asexual and sexual methods. cap. When the spore case of plant burst then the spores spread into air.Under favourable conditions they germinate and produce new plant. Rhizopus reproduces asexually by Spores (b) What does the reproductive part or blob of Rhizopus contain ? Mold species belonging to the genus Rhizopus cause the rot, which initially appears on the fruit as a fuzzy white mass, called the mycelium. 2017) Answer: (a) Spore Formation. This sporangium gives rise to several spores by repetitive division of its nucleus. 2. Rhizopus oryzae is the most common agent of mucormycosis. It results in Haploid. List three conditions favourable for spores to germinate and grow. Describe the process of reproduction in yeast with the help of labelled diagrams. ADVERTISEMENTS: 3. Black bread mold (Rhizopus) reproduces asexually by sporangiospores. Many spores are produced on one sporangium and there are transferred to far-off places by air or water. a. Spirogyra ... Rhizopus. (a) What is meant by spore formation ? [citation needed] This species is very similar to Rhizopus stolonifer, but it can be distinguished by its smaller sporangia and air-dispersed sporangiospores.It differs from R. oligosporus and R. microsporus by its larger columellae and sporangiospores. Rhizopus reproduces asexually by: (a) Conidia (b) Spores (c) Gemma (d) Bulbil. In asexual reproduction, sporangiophores are produced inside a spherical structure, the sporangium. A comparison of aspergillosis and mucormycosis highlights numerous similarities and interesting differences. The cytoplasm in the sporangium divides repeatedly to release a mass of spores, each with a nucleus. A dome-shaped columella (Fig. Students can solve NCERT Class 10 Science How do Organisms Reproduce? The protoplast […] Question.45 Name an organism which reproduces by spore formation. Conditions favourable for spore formation are: (i) Cool place, (ii) Moist place and (iii) Dark place. Vegetative Reproduction: It takes place by fragmentation. In life cycle of molds, when hyphae of different mating types meet, each hypha forms a. sporangium. Rhizopus is an organism which reproduces by spore formation. Isogamy. In Rhizopus, tubular thread like structures bearing sporangia at their tips are called Which of the following reproduces by Fragmentation? Conidia are born singly or in chain During favorable conditions, erect sporangiophores are produced exactly opposite to the region of formation of rhizoids of the mycelium. Is rhizopus a yeast or mold? Rhizopus is an organism which reproduces asexually by spore formation. 77) is present in each sporangium.

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