Description : Which group includes single celled protozoa and algae? a. Bacteria b. Archaea c. Fungi d. Protista
Last Answer : d. Protista
Description : All the following are considered eukaryotes except A- archaea B- fungi C- protozoa D- humans
Last Answer : archaea
Description : All the following are considered eukaryotes except A- archaea B- fungi C- protozoa D-.humans
Description : The membranes of which domains are chemically the most similar? A- .Archaea and Bacteria B- Bacteria and Eukarya C- .Eukarya and Archaea D- membranes of all three domains are chemically identical
Last Answer : Bacteria and Eukarya
Description : The oldest eukaryotic organisms are considered to be A- diplomonads like Giardia B- archaea C- fungi D- animals
Description : In the three domain system, fungi would belong to the _____. a. Eukarya b. Bacteria c. plants d. Archaea
Last Answer : a. Eukarya
Description : Which classification would include prokaryote cells that live in extreme conditions like hot springs and the Dead sea? a. Bacteria b. Fungi c. Viruses d. Archaea
Last Answer : d. Archaea
Description : Eukaryotic micro organisms include A- Protozoa B- .fungi C- Algae D- all of these
Last Answer : all of these
Description : When comparing bacterial and archaeal cell membranes, only bacterial cell membranes a. Have three layers of phospholipids. b. Have a phospholipid bilayer. c. Are fluid. d. Have ether linkages.
Last Answer : b. Have a phospholipid bilayer.
Description : Which of the following is/are included in Kingdom Prokaryotae? A- A.Bacteria B- B.Protozoa C- Fungi D- All of these
Last Answer : A.Bacteria
Description : Which of the following is/are included in Kingdom Prokaryotae? A-Bacteria B- Protozoa C- Fungi D-All of these
Last Answer : Bacteria
Description : Mycoplasmas, rickettsiae, and chlamydiae are A- .types of fungi B- small bacteria C- species of protozoa D- forms of viruses
Last Answer : small bacteria
Description : Microbiology includes which of the following groups of microorganisms? a. bacteria b. fungi c. algae d. protozoa e. all the above
Last Answer : e. all the above
Description : What group of microbial agent was identified from the work of Ivanowsky a Beijerinck? a. Viruses b. Fungi c. Protozoa d. Bacteria
Last Answer : a. Viruses
Description : The term antibiotic was coined by _________to refer to antimicrobial substances naturally derived from _______. a. Waksman; bacteria and fungi b. Domagk; other living organisms c. Fleming; fungi and bacteria d. Ehrlich; bacteria
Last Answer : c. Fleming; fungi and bacteria
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 groups of organisms reproduce faster? (1) Algae (2) Fungi (3) Bacteria (4) Protozoa
Last Answer : (3) Bacteria Explanation: Unlike in multicellular organisms, increases in cell size (cell growth and reproduction by cell division) are tightly linked in unicellular organisms. Bacteria grow to a ... divide extremely rapidly, and bacterial populations can double as quickly as every 9.8 minutes.
Description : Name two diseases caused by following groups of micro-organisms. a) Bacteria b) Viruses c) Protozoa d) Fungi
Last Answer : Answers: a) Tuberculosis, Typhoid, Cholera b) Poliomyelitis, Influenza c) Sleeping sickness, Amoebic dysentery d) Ringworm, Actinomycosis
Description : Which of the following groups of organisms digest their food before it actually enters the organism? (1) Bacteria and Protozoa (2) Bacteria and Fungi (3) Fungi and Protozoa (4) Mucor and Rhizopus
Last Answer : Bacteria and Fungi
Description : In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statements is true about archaea? (a) Archaea ... respects. (d) Archaea have some novel features that are absent in other prokaryotes and eukaryotes.
Last Answer : (d) Archaea have some novel features that are absent in other prokaryotes and eukaryote
Description : Which of the following organisms do not have rigid cell wall A Archaea B Chlamydia C Mycoplasma D Rickettsia
Last Answer : D Rickettsia
Description : Which one of the following statements is true of fungal growth? a. Most fungi grow best at 37 degrees C. b. Most fungi, with the exception of yeasts, are anaerobic. c. Most fungi thrive under mildly acidic conditions. d. Most fungi grow in extreme environments.
Last Answer : c. Most fungi thrive under mildly acidic conditions.
Description : What are the three major components of glycerophospholipids, the main component of lipid bilayers that comprise cellular membranes?
Last Answer : Glycerol, a phosphate group, fatty acid chains
Description : Which cell type is considered to have the oldest ancestor? A- Archaea B- Bacteria C- Eukarya D-they all share the same ancestor
Last Answer : they all share the same ancestor
Description : Which cell type is considered to have the oldest ancestor? A- Archaea B- Bacteria C- Eukarya D- they all share the same ancestor
Description : In the three domain system of classification, the traditional bacteria are placed in the A- eukarya B- .archaea C- Eubacteria D- none of these
Last Answer : Eubacteria
Description : Genetic and biochemical similarities between contemporary cyanobacteria and eukaryoticchloroplasts are accepted to mean that A- .eukaryotes evolved from bacteria B- eukaryotes evolved from archaea C- . ... evolved in eukaryotes D- .cyanobacteria arose from chloroplasts which escaped from plant cells
Last Answer : eukaryotes evolved from archaea
Description : The unifying feature of the archaea that distinguishes them from the bacteria is A- habitats which are extreme environments with regard to acidity B- absence of a nuclear membrane temperature ... of a cell wall containing a characteristic outer membrane D- cytoplasmic ribosomes that are 70S
Last Answer : absence of a nuclear membrane temperature
Description : Which group of microbial agents is eukaryotic? a. Bacteria b. Viruses c. Archaea d. Algae
Last Answer : d. Algae
Description : The terms mycelium and hyphae are associated with A- algae B- fungi C- protozoa D- viruses
Last Answer : fungi
Description : --------- prokaryotic microorganism A Fungi B Rickettsiae C Algae D Protozoa
Last Answer : B Rickettsiae
Description : In which kingdom would you classify the archaea and nitrogen-fixing organisms, if the five kingdom system of classification is used? (a) Plantae (b) Fungi (c) Protista (d) Monera
Last Answer : If the five-kingdom system of classification is used, the Archaea would be classified under the kingdom (d) Monera. This kingdom includes prokaryotic organisms such as bacteria and archaea. Archaea ... systems, such as the three-domain system that separates life into Bacteria, Archaea, and Eukarya.
Description : _____ which are free-living trophozoites appear to enter the body through the mucous membranes of the nose and then follow the olfactory tracts to the brain. a. NaegleriaLeishmania b. Giardia c. Babesia
Last Answer : a. NaegleriaLeishmania
Description : Organisms are parasitic and have a resistant spore with one to six coiled polar filaments belong to which phylum of Protozoa? A.Labyinthomorpha B.Sarcomastigophora C.Apicomplexa D.Myxozoa
Last Answer : D.Myxozoa
Description : Activated sludge contains large number of A.bacteria B.yeasts and molds C.protozoa D.all of these
Last Answer : D.all of these
Description : Teichoic acids are typically found in A- cell walls of gram positive bacteria B- outer membranes of gram positive bacteria C- cell walls of gram negative bacteria D- outer membranes of gram negative bacteria
Last Answer : cell walls of gram positive bacteria
Description : (3) Conversion of ammonia to nitrites Explanation: Nitrification is the biological oxidation of ammonia or ammonium to nitrite followed by the oxidation of the nitrite to nitrate. The oxidation of ammonia ... -oxidizing archaea (AOA). Nitrification is an important step in the nitrogen cycle in soil.
Last Answer : Acid rain is caused due to pollution of atmosphere by – (1) oxides of carbon and nitrogen (2) oxides of nitrogen and sulphur (3) oxides of nitrogen and phosphorous (4) None of these
Description : Which of the following statements is not true about phospholipids? (a) They are similar to triacylglycerols except that the middle OH group of glycerol reacts with a phosphate rather than with a ... is a phospholipid. (d) The C-2 carbon of glycerol in phosphoacylglycerols has the R configuration
Last Answer : They are similar to triacylglycerols except that the middle OH group of glycerol reacts with a phosphate rather than with a fatty acid
Description : Which of the following macromolecules is primarily responsible for the insolubility of cell membranes in water? a) starch b) cellulose c) protein d) phospholipid
Last Answer : ANSWER: D -- PHOSPHOLIPID
Description : The maximum fixation of solar energy is done by – (1) Bacteria (2) Protozoa (3) Fungi (4) Green plants
Last Answer : (4) Green plants Explanation: The photosynthetic efficiency is the fraction of light energy converted into chemical energy during photosynthesis in plants and algae. Approximately two thirds of the net ... free energy are stored in plant biomass for every mole of CO2 fixed during photosynthesis.
Description : The maximum fixation of solar energy is done by - (1) Protozoa (2) Bacteria (3) Fungi (4) Green plants
Last Answer : (4) Green plants Explanation: The maximum 20% of the input of solar energy falling on leaves is converted into chemical energy by green plants. Green plants utilize solar energy and synthesize sugar from ... 3% of the light energy that strikes on their green parts; the rest is dissipated as heat.
Description : What causes common cold? (1) Bacteria (2) Fungi (3) Virus (4) Protozoa
Last Answer : (3) Virus Explanation: The common is a viral infectious disease of the upper respiratory tract which affects primarily the nose. Over 200 viruses are implicated in the cause of the common cold; the rhinoviruses are the most common.
Description : Which are the largest fixator of solar energy - (1) Bacteria (2) Protozoa (3) Fungi (4) Green plants
Last Answer : (4) Green plants Explanation: Ecological productivity refers to the primary fixation of solar energy by plants and the subsequent use of that fixed energy by plant-eating herbivores, animal- ... feed upon dead biomass. Ecologists refer to the productivity of green plants as primary productivity.
Description : The nitrogen in the ecosystem is circulated by - (1) Earthworms (2) Bacteria (3) Fungi (4) protozoa
Last Answer : (2) Bacteria Explanation: Bacteria play a great role in nitrogen thation. Nitrogen fixing bacteria inhabit legume root nodules. Nitrogenase is the enzyme in nitrogen-fixing bacteria that catalyzes the conversion of atmospheric nitrogen into ammonia.
Description : In animal Render pest disease is caused by a. Bacteria b. Fungi c. Myxovirus d. Protozoa
Last Answer : c. Myxovirus
Description : FMD is caused due to a. Bacteria b. Virus c. Fungi d. Protozoa
Last Answer : b. Virus
Description : What is Trypanosoma? a) protozoa b) bacteria c) fungi d) helminth
Last Answer : a) protozoa
Description : ______ is microorganism that can be crystallized and kept in jar for many days. a) bacteria b)fungi c)virus d)protozoa
Last Answer : c)virus