The smallest known prokatyotic organism is – (1) Microcystis (2) Mycoplasma (3) Bacteria (4) Chlorella

1 Answer

Answer :

(2) Mycoplasma Explanation: Mycoplasmas are the smallest and simplest prokaryotes capable of self-replication. Keeping the number of structural elements, metabolic pathways and components of the protein synthesizing machinery to an essential minimum places Myeoplasmas closest to the concept of 'minimum cells'.

Related questions

Description : The smallest known prokaryotic organism is (1) Microcystis (2) Mycoplasma (3) Bacteria (4) Chlorella

Last Answer : Mycoplasma

Description : Which of the following organism possesses characteristics of a plant and an animal? (1) Euglena (2) Mycoplasma. (3) Paramecium (4) Chlorella

Last Answer : (1) Euglena Explanation: Most species of Euglena have photosynthesizing chloroplasts within the body of the cell, which en-able them to feed by autotrophy (making energy-containing organic molecules ... carbohydrates, and proteins), like animals. So Euglena have features of both animals and plants.

Description : Which of the following organism possesses characteristics of a plant and an animal? (1) Euglena (2) Mycoplasma (3) Paramecium (4) Chlorella

Last Answer : Euglena

Description : Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen? (a) Pseudomonas (b) Mycoplasma (c) Nostoc (d) Bacillus

Last Answer : (b) Mycoplasma

Description : Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen ? (1) Pseudomonas (2) Mycoplasma (3) Nostoc (4) Bacillus

Last Answer : (2) Mycoplasma

Description : Which organism is responsible for alcohol fermentation? (1) Chlorella (2) Yeast (3) Agaricus (4) Puccinia

Last Answer : (2) Yeast Explanation: Ethanol fermentation, also called alcoholic fermentation, is a biological process which converts sugars such as glucose, fructose, and sucrose into cellular energy, producing ... It is an anaerobic process since Yeasts perform this conversion in the absence of oxygen.

Description : Which one is wrongly matched? (a) Uniflagellate gametes – Polysiphonia (b) Biflagellate zoospores – Brown algae (c) Gemma cups – Marchantia (d) Unicellular organism – Chlorella

Last Answer : (a) Uniflagellate gametes – Polysiphonia

Description : Which one is wrongly matched ? (1) Uniflagellate gametes - Polysiphonia (2) Biflagellate zoospores - Brown algae (3) Gemma cups - Marchantia (4) Unicellular organism - Chlorella

Last Answer : (1) Uniflagellate gametes - Polysiphonia

Description : Which organism is responsible for alcohol fermentation? (1) Chlorella (2) Yeast (3) Agaricus (4) Puccinia

Last Answer : Yeast

Description : Organism contaminating the eggs in the nest is A A. Escherichia coli B. Mycoplasma gallisepticum C. Pasturella multocida D. None of the these

Last Answer : Escherichia coli

Description : The smallest living cell is that of a (a) bacterium (b) bread mold (c) mycoplasma (d) virus

Last Answer : Ans:(c)

Description : Interferons are synthesized in response to – (1) Bacteria (2) Fungi (3) Mycoplasma (4) Virus

Last Answer : (4) Virus Explanation: Interferons (IFNs) are a group of signaling proteins made and released by host cells in response to the presence of pathogens, such as viruses, bacteria, parasites, ... named for their ability to "interfere" with viral replication by protecting cells from virus infections.

Description : Interferons are synthesized in response to (a) mycoplasma (b) bacteria (c) viruses (d) fungi.

Last Answer : (c) viruses

Description : Which of the following organisms possesses characteristics of a plant and an animal? (a) Euglena (b) Paramecium (c) Bacteria (d) Mycoplasma

Last Answer : (a) Euglena

Description : Select the correct combination of the statements (i-iv) regarding the characteristics of certain organisms. (i) Methanogens are archaebacteria which produce methane in marshy areas. (ii) Nostoc is a filamentous blue-green alga which fixes ... iii) (c) (ii), (iii) and (iv) (d) (i), (ii) and (iv).

Last Answer : (d) (i), (ii) and (iv)

Description : Which one of the following is NOT a genus within the gram-positive bacteria? a. Staphylococcus b. Methanogens c. Mycoplasma d. Bacillus and Clostridium

Last Answer : b. Methanogens

Description : Interferons are synthesized in response to (1) Bacteria (2) Fungi (3) Mycoplasma(4) Virus

Last Answer : Virus

Description : Chlorenchyma is known to develop in the (a) cytoplasm of Chlorella (b) mycelium of a green mould such as Aspergillus (c) spore capsule of a moss (d) pollen tube of Pinus.

Last Answer : (c) spore capsule of a moss

Description : Chlorenchyma is known to develop in the (a) cytoplasm of Chlorella (b) mycelium of a green mould such as Aspergillus (c) spore capsule of a moss (d) pollen tube of Pinus.

Last Answer : (c) spore capsule of a moss

Description : The bacterium Deinococcus radiodurans has been of interest to molecular biologists because a. it has the smallest known bacterial genome. b. it is a "living fossil" linking the Bacteria and Archaea. c. it has the largest known bacterial genome. d. it is very resistant to radiation damage.

Last Answer : d. it is very resistant to radiation damage.

Description : Which of the following is one of the commercial products obtained from Gelidium and Gracilaria and are used to grow microbes and in preparations of icecreams and jellies? (1) Agar (2) Chlorella (3) Spirullina (4) Gymnosperms

Last Answer : (1) Agar Explanation: Agar, one of the commercial products obtained from Gelidium and Gracilaria are used to grow microbes and in preparations of ice-creams and jellies.

Description : A free living nitrogen-fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is (a) Tolypothrix (b) Chlorella (c) Nostoc (d) Anabaena.

Last Answer : (d) Anabaena.

Description : Which of the following can be used as a biocontrol agent in the treatment of plant disease? (a) Lactobacillus (b) Trichoderma (c) Chlorella (d) Anabaena

Last Answer : (b) Trichoderma

Description : The guts of cow and buffalo possess (a) methanogens (b) cyanobacteria (c) Fucus sp. (d) Chlorella sp.

Last Answer : (a) methanogens

Description : An alga which can be employed as food for human being is (a) Ulothrix (b) Chlorella (c) Spirogyra (d) Polysiphonia.

Last Answer : (b) Chlorella

Description : An alga, very rich in protein, is (a) Chlorella (b) Nostoc (c) Spirogyra (d) Ulothrix.

Last Answer : (a) Chlorella

Description : Which one of the following statements is wrong? (a) Chlorella and Spirulina are used as space food. (b) Mannitol is stored food in Rhodophyceae. (c) Algin and carrageenan are products of algae. (d) Agar-agar is obtained from Gelidium and Gracilaria.

Last Answer : (b) Mannitol is stored food in Rhodophyceae.

Description : An example of colonial alga is (a) Volvox (b) Ulothrix (c) Spirogyra (d) Chlorella

Last Answer : (a) Volvox

Description : Which of the following pairs is of unicellular algae? (a) Laminaria and Sargassum (b) Gelidium and Gracilaria (c) Anabaena and Volvox (d) Chlorella and Spirulina

Last Answer : (d) Chlorella and Spirulina

Description : In the five kingdom classification, Chlamydomonas and Chlorella have been included in (a) protista (b) algae (c) plantae (d) monera

Last Answer : (a) protista

Description : An example of colonial alga is : (1) Volvox (2) Ulothrix (3) Spirogyra (4) Chlorella

Last Answer : (1) Volvox

Description : What is the name of the smallest living organism in the world ?

Last Answer : Mycoplasma 's body is made up of a single cell. This cell of its body is the smallest cell in the world.

Description : What is mycoplasma? -Biology

Last Answer : answer:

Description : What is mycoplasma? -Biology

Last Answer : answer:

Description : What is mycoplasma?

Last Answer : What is mycoplasma?

Description : what is Mycoplasma?

Last Answer : What is Mycoplasma?

Description : Mycoplasma pneumonia?

Last Answer : DefinitionMycoplasma pneumonia is an infection of the lungs caused by by the bacteria Mycoplasma pneumoniae (M. pneumoniae).See also:Atypical pneumoniaViral pneumoniaCauses, incidence, and risk factorsMycoplasma pneumonia is a ... generally mild and appear over a period of 1 to 3 weeks. They may b

Description : Mycoplasma is associated with a disease that affects the organs of - (1) respiration (2) excretion (3) reproduction (4) digestion

Last Answer : (1) respiration Explanation: Mycoplasma refers to a genus of bacteria that lack a cell wall. Several species are pathogenic in humans, including M. pneumoniae, which is an important cause ... respiratory disorders, and M. genitalium, which is believed to be involved in pelvic inflammatory diseases.

Description : Which among the following does not have a cell wall? (1) Euglena (2) Paramecium (3) Gonyaulax (4) Mycoplasma

Last Answer : (4) Mycoplasma Explanation: Mycoplasma is a genus of bacteria that lacks a cell wall around their cell membrane Without a cell wall, they are unaffected by many common antibiotics such as penicillin or other beta-lactam antibiotics that target cell wall synthesis.

Description : Ulcerative enteritis is caused by C A. Salmonella typhimurium B. Mycoplasma iowe C. Clostridium colinum D. None of the these

Last Answer : Clostridium colinum

Description : Necrotic enteritis usually accompany or follow A A. coccidiosis B. Fowl cholera C. mycoplasma infection D. None of the these

Last Answer : coccidios

Description : Select the wrong statement. (a) Bacterial cell wall is made up of peptidoglycan. (b) Pili and fimbriae are mainly involved in motility of bacterial cells. (c) Cyanobacteria lack flagellated cells. (d) Mycoplasma is a wall-less microorganism.

Last Answer : (b) Pili and fimbriae are mainly involved in motility of bacterial cells.

Description : Cell wall is absent in (a) Mycoplasma (b) Nostoc (c) Aspergillus (d) Funaria

Last Answer : (a) Mycoplasma

Description : A large number of organic compounds can be decomposed by (a) Azotobacter (b) Chemolithotrophs (c) Mycoplasma (d) Pseudomonas.

Last Answer : (b) Chemolithotrophs

Description : Which one of the following statements about mycoplasma is wrong? (a) They are pleomorphic. (b) They are sensitive to penicillin. (c) They cause diseases in plants. (d) They are also called PPLO.

Last Answer : (b) They are sensitive to penicillin.

Description : Select the disease caused by Mycoplasma like Organisms (MLO) a. Brinjal little leaf b. Rice yellow dwarf c. Sesamum phyllody d. All of these

Last Answer : d. All of these

Description : Select the disease caused by Mycoplasma like Organisms (MLO) a. Brinjal little leaf b. Rice yellow dwarf c. Sesamum phyllody d. All of these

Last Answer : d. All of these

Description : Weil-Felix reaction is based on sharing of antigens between A.sheep RBCs and EB virus B.mycoplasma and human O group RBCs C.rickettsial antigens and antigens of certain strains of Proteus D.none of these

Last Answer : C.rickettsial antigens and antigens of certain strains of Proteus

Description : Which of the following microorganisms is classified as a member of archaebacteria? A- Gyanobacteria B- Methanobacteria C-Trichomonads D- Mycoplasma

Last Answer : Methanobacteria

Description : Which of the following community-acquired pneumonias demonstrates the highest occurrence during summer and fall? a) Legionnaires' disease Legionnaires' disease accounts for 15% of community-acquired ... . d) Viral pneumonia Viral pneumonia demonstrates the greatest incidence during winter months.

Last Answer : a) Legionnaires’ disease Legionnaires’ disease accounts for 15% of community-acquired pneumonias.