Description : Ivanowsky, Beijerinck and Reed all began studies with particles smaller than the filters they were working with. This began the study of _____. a. measles b. viruses c. prions d. bacteria
Last Answer : b. viruses
Description : Which one of the following scientists was NOT involved with discovering viruses? a. Felix d‘Herrelle b. Dimitri Ivanowsky c. Robert Fleming d. Martinus Beijerinck
Last Answer : c. Robert Fleming
Description : Select the wrong statement. (a) The term ‘contagium vivum fluidum’ was coined by M. W. Beijerinck. (b) Mosaic disease in tobacco and AIDS in human being are caused by viruses. (c) The viroids were discovered by D.J. Ivanowsky. (d) W.M. Stanley showed that viruses could be crystallised.
Last Answer : (c) The viroids were discovered by D.J. Ivanowsky
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 : Which group of microbial agents is eukaryotic? a. Bacteria b. Viruses c. Archaea d. Algae
Last Answer : d. Algae
Description : What microbiological field was established by Winogradsky and Beijerinck? a. Virology b. Microbial ecology c. Bacteriology d. Mycology
Last Answer : b. Microbial ecology
Description : Which group includes single celled protozoa and algae? a. Bacteria b. Archaea c. Fungi d. Protista
Last Answer : d. Protista
Description : The terms mycelium and hyphae are associated with A- algae B- fungi C- protozoa D- viruses
Last Answer : fungi
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 : All membranes of free-living organisms have phospholipid bilayers, but exception is A- bacteria B- fungi C- archaea D- protozoa
Last Answer : archaea
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 : 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 one of the following pairs is incorrectly matched as to antibiotic and use? a. Penicillin-gram-positive bacteria b. Nystatin-fungi c. Tetracycline-viruses d. Griseofulvin-fungi
Last Answer : c. Tetracycline-viruses
Description : What is Mycology? A-Study of viruses B- Study of nucleic acid C- Study of bacteria D-Study of fungi
Last Answer : Study of fungi
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 : All the following are considered eukaryotes except A- archaea B- fungi C- protozoa D- humans
Description : All the following are considered eukaryotes except A- archaea B- fungi C- protozoa D-.humans
Description : --------- prokaryotic microorganism A Fungi B Rickettsiae C Algae D Protozoa
Last Answer : B Rickettsiae
Description : Why is microbial control necessary and what are some of the factors that go into the choice of a particular antimicrobial agent?
Last Answer : The control of microorganisms is an important way of preventing pathogens from reaching the body.Sterilizing laboratory equipment, hospital supplies, and industrial apparatus helps contain contamination.The choice of a ... , the acidity or alkalinity of the area, and the presence of organic matter.
Description : What is the thermal death time? a. The Time Necessary To Kill Bacteria At A Specific Temperature b. The Temperature Necessary To Kill Microbes In A Specific Time c. The Average Amount Of Time To Kill Microbial Cells d. It Is The Same As The Thermal Death Point
Last Answer : a. The Time Necessary To Kill Bacteria At A Specific Temperature
Description : Fungi in the division Deuteromycota are characterized by the fact that A- they only reproduce sexually B- they form sexual spores called deuterospores C- they are incapable of sexual reproduction D- a method of sexual reproduction has not been identified
Last Answer : a method of sexual reproduction has not been identified
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 : What is Mycology? A- Study of viruses B- Study of nucleic acid C- Study of bacteriaD- Study of fungi
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 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 : 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
Description : EBOLA is a – (a) Virus (b) Bacteria (c) Protozoa (d) Fungi
Last Answer : (a) Virus
Description : The maximum fixation of solar energy is done by (1) Protozoa (2) Bacteria (3) Fungi (4) Green plants
Last Answer : Green plants
Description : What causes common cold ? (1) Bacteria (2) Fungi (3) Virus (4) Protozoa
Last Answer : Virus
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 : The nitrogen in the ecosystem is circulated by— (1) Earthworms (2) Bacteria (3) Fungi (4) Protozoa
Description : Which are the largest fixator of solar energy ? (1) Bacteria (2) Protozoa (3) Fungi (4) Green plants
Description : The group of protozoa have food vacuoles and pseudopods. a. Kinetoplastid b. Excavata c. Chromalveolata d. Amoebozoa
Last Answer : d. Amoebozoa
Description : This group of protozoa has a single mitochondrion with a mass of DNA. a. Kinetoplastids b. Ciliates c. Apicomplexans d. Diplomonads
Last Answer : a. Kinetoplastids
Description : The process of conjugation in bacteria requires that _____. a. Two Types Of Viruses Be Present. b. The Conjugating Bacteria Be Deprived Of Nutrients. c. Two Bacteria Exchange Dna. d. Two Live Bacteria Come Together.
Last Answer : d. Two Live Bacteria Come Together.
Description : When is a HEPA filter used? a. To Filter Bacteria Out Of A Vaccine b. To Trap Particles In The Air c. To Protect Burn Victims d. To Separate Bacteria And Viruses
Last Answer : b. To Trap Particles In The Air
Description : Which of the following theory is supported by the genomic sequence of the obligate intracellularparasite Rickettsia prowazekii ? A- Parasitic bacteria have very large genomes B- Parasites have a ... viruses C- Mitochondria have evolved from endosymbiotic bacteria D- All bacteria evolved from viruses
Last Answer : Mitochondria have evolved from endosymbiotic bacteria
Description : Anaerobic degradation of proteins brought about by bacteria and fungi give the products like A- mercaptans and indole B-H2S C-both (a) and (b) D-None of these
Last Answer : both (a) and (b)
Description : Which one is not studied in microbiology? A- Bacteria B- Animal behavior C- Fungi D- Algae
Last Answer : Animal behavior
Description : In the three domain system, fungi would belong to the _____. a. Eukarya b. Bacteria c. plants d. Archaea
Last Answer : a. Eukarya