ESM236
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Which of the following bacteria is not an anaerobe?
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The process by which the cell protoplasm is covered by a thin membrane which is is pushed out of a cell to form a bus is called __
3 / 121
Prosthesa is an adaptation for a bacterium found in lakes
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Which of these processes is not involved in the nitrogen cycle?
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The yeast cell reproduces by ___ division
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The environment, organisms, biotic and abiotic factors are components of the
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Lipase is produced by which of the following fungi?
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In cell culture, some tissues deteriorate as they multiply; this is called
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Wines are produced from grapes or other fruits with
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The movement of chemical elements through the biological and geographical components of the biosphere is known as ___
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The sulphur bacteria uses carbon dioxide to reduce hydrogen sulphide to sulphur in order to obtain carbohydrate.
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A typical sporangium is found in the family of ___
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Sulphur is an essential component of living cells found in amino acids such as ___
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A is obtained when microorganisms are grown in the laboratory medium
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Energy transfer to the consumers in the ecosystem is done through the ___.
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The enzyme------is produced by Mucor species
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Ammonia is converted to nitrites during the process of
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Prosthesa is an adaptation for ___ bacterium
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When a virus lacks a demonstrable latent period in the vector, it is said to be
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Sulphur is an essential component of living cells found in the amino acid
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The body of a fungus is called ___.
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is a limiting factor for growth of many organisms
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The yeast cell reproduces by division
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Temporary inhabitants of an environment are known as
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Sulphur occurs in different and common oxidation states
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All these are chemolitotrophic bacteria except
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Saccharomyces cerevisiae produces the enzyme __
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Lakes that receive small amount of nutrients are termed ___
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The sulphur bacteria oxidizes hydrogen sulphide to sulphur which is stored in bacterial cells as granules
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Which of the following organisms is used in the production of wine from grapes?
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Saccharomyces cerevisiae produces the enzyme
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Atromentin is the pigment produced by the fungus
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The physical location of an organism is known as ___.
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Homogenization of microorganisms involves of the extract
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Lakes that receive small amount of nutrients are termed
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The physical location of an organism is known as
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Algae are found as plants in freshwater or ___ in marine water
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Energy from the sun is captured by the
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Sexual reproduction in the zygomycetes occurs by
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The make-up of a microbiological medium exists in all of these except
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The enzyme is produced by Mucor species
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Rhizobium radiciola and Bacillus radiciola live in the root nodules of leguminous plants
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Which of the following is is a limiting factor for growth of many organisms?
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Clostridium tetani is a pathogen which causes in man
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The hyphae of fungi is bounded by a cell wall made up of chitin and ___
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Which microorganism is used for the production of cheese
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The pigment is obtained from the fungus Blakeslea trispora
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The organism partakes in the production of citric acid
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The fungal kingdom is divided into ___.
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Food leftover in the kitchen for 3 days in the presence of air and water will reveal spores of
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Microorganisms may be ___
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A large portion if the sulphurin the biosphere is found in
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Atromentin is the pigment produced by the fungus ___.
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The movement of chemical elements through the biological and geographical components of the biosphere is known as cycle
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The body of a fungus is called
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Citric acid is produces by ___.
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Autotrophs are able to manufacture their food through
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A species of yeast used in preparing bread is ___
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The pigment is present in plants for the manufacture of food
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Homogenization of microorganisms involves ___ of the extract.
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The mean daily precipitation overland is about
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Which of the following is not a process by which carbon is restored back to the atmosphere?
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The penicillin antibiotic was discovered by
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All these are fungi that occur in freshwater except
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Clostridium spp is mainly found in the
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The most common organisms found in air are
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In cell culture, some tissues deteriorate as they multiply; this is called effect
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Microorganisms may grow in all these areas except ___.
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A continous flow of nitrogen in the ecosystem is maintained through
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The type and population of microbes in waterbodies is determined by the
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In anaerobic conditions, ntrates are reduced to nitrous oxide through a process of
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The true fungi is classified into subdivisions based on their
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Temporary inhabitants of an environment are known as ___.
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Clostridium spp is mainly found in ___.
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Which of the following is not a sewage bacteria?
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The most common organisms found in air are ___.
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When a virus lacks a demonstrable latent period in the vector, it is said to be ___
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In anaerobic conditions, ntrates are reduced to nitrous oxide through a process of ___.
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The mycelium usually develops from the germination of basidiospores
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The oxidation states of sulphur does not include
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Lipase is produced by the fungus
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Ammonia is converted to nitrites during the process of ___
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87. Living organisms inhabit the
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The deep water in a lake beyond the depth of effective light penetration is present in the
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The hyphae of fungi is bounded by a cell wall made up of chitin and
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The process by which the cell protoplasm is covered by a thin membrane which is is pushed out of a cell to form a bus is called
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is the process by which the cell protoplasm is covered by a thin membrane which is is pushed out of a cell to form a bus
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Autotrophs are able to manufacture their food through ___
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Energy transfer to the consumers in the ecosystem is done through the
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A limiting factor for growth of many organisms is
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The physical features in an environment are called the factors
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Food leftover in the kitchen for 3 days in the presence of air and water will reveal spores of ___
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The advantage of agar medium over gelatin as a solidifying agent is that
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Which of these is not a freshwater habitat?
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A type of yeast used in preparing bread is
100 / 121
The organisms within an ecosystem live in
101 / 121
Rhizobium radiciola and Bacillus radiciola live ___ in the root nodules of leguminous plants.
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Which of these bacterial population is not found in salt water?
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A large portion of the sulphur in the biosphere is found in
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Clostridium tetani is a pathogen which causes ----- ---in man.
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The study of the relationship among organisms and their environment is known as
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What is the ultimate energy source in an ecosystem?
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is used for growing colonies of bacteria
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The true fungi are classified into subdivisions based on their
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Which of the organisms is used in the production of cheese?
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A typical sporangium is found in the family
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One of the following options is not a long-term method of storing virus tissues.
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The lithosphere consists of the following except ___.
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The earth's water supply is also known as
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Microorganisms in the air can be determined by the following methods except
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The fungus Rhodotrula gracilis produces the vitamin
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Biogeochemical cycles have the following features except
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Microorganisms are useful in all but one of the following
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The ultimate energy source in an ecosystem is the
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forms the backbone of organic compounds in living tissues
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__ determines the type and population of microbes in waterbodies.
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