Tags: Question 17 . d) Spirillum bacteria: This is a long spiral-shaped bacteria. Cyanobacteria (blue-green algae). They are stick-like bacteria with a round tapered, square or swollen ends. Includes oxygenic phototrophic organisms for producing oxygen: This group can use light as the sole source of energy. ... Inorganic compounds (H 2 O, H 2 S, S) Green plants, photosynthetic protoctists, blue-greens, photosynthetic bacteria. ... Gonorrhea and syphilis are examples of sexually transmitted diseases caused by: answer choices . They utilize organic acid or alcohol as hydrogen donor. The heterotrophic bacteria obtain their-ready made food from organic substances, living or dead. Other articles where Photo-organotroph is discussed: nutrition: Nutritional patterns in the living world: …for this purpose are called photoorganotrophs. they have a size of 1-10um in length and 0.3-1.0um in width. For example the Bacillus spp CO 2. Rhizobium) with plants that supply oxygen to the bacteria bound to … Bacteria are single-celled, prokaryotic organisms that come in different shapes. Such organisms are called fastidious heterotrophs. Organic compounds. They are microscopic in size and lack membrane-bound organelles as do eukaryotic cells, such as animal cells and plant cells.Bacteria are able to live and thrive in various types of environments including extreme habitats such as hydrothermal vents, hot springs, and in your digestive tract. Special spaces of cocci include tetrads, Sarcines; Bacilli – also rod-shaped; the singular form is known as Bacillus. Animals, according to this classification, are chemoorganotrophs; i.e., they utilize chemical compounds to supply energy and … Examples. SURVEY . root nodule symbioses (e.g. e) Pleomorphism: Though most bacteria have a specific shape, some do not. They are also called as spirochetes. Spiral: These are known as spirilla (singular spirillus). b. Purple sulphur bacteria: For bacteria belong to this group the hydrogen donor is Thiosulphate, Bacteriochlorophyll is present. fungi. Organic compounds. subjective material for classification and characteristics of bacteria with examples and MCQs for Gpat and other exam preparations. Examples include Acetobacter. Photoorganotrophs . Examples include: heterocyst formation (cyanobacteria e.g. Most of pathogenic bacteria of human beings, other plants and animals are heterotrophs. Classification of phototrophic bacteria. ; Some heterotrops have simple nutritional requirement while some of them require large amount of vitamin and other growth promoting substance. Anabaena) where one cell does not photosynthesize but instead fixed nitrogen for its neighbors which in turn provide it with energy. Ex: syphilis-causing bacteria. 2. Non-sulphur purple bacteria. viruses. Example: Purple non sulphur bacteria – Rhodospirillum. chemotaxic autotrophs. photoorganotrophs. Photoorganotrophs. Light. They exist in multiple shapes. Chlorophyll containing chlorosomes are present Example: Chromatium. For example Staphylococcus app, Streptococcus app. When exposed to a dye called a gram stain, gram positive bacteria trap the dye due to the structure of their walls, while gram negative bacteria release the dye readily, because their cell wall is thin. Photolithotrophs. Phototrophic bacteria are phototrophic organisms (photolithotrophs or photoorganotrophs). They can use light as an energy source in the presence of air. Bacteria are enclosed by a rigid cell wall, which can vary widely in its composition, helping to distinguish between different species of bacteria. These are spiral or hair like in shape. Chemolithotrophs. protists. Examples of rod-shaped bacteria include Bacillus anthracis (B. anthracis), or anthrax. CO 2. Light as an energy source in the presence of air have simple Nutritional requirement while some them! 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