ATTENTION:
Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.
Good luck!
ESM236
1 / 50
Atromentin is the pigment produced by the fungus ___.
2 / 50
Clostridium tetani is a pathogen which causes in man
3 / 50
The movement of chemical elements through the biological and geographical components of the biosphere is known as ___
4 / 50
The pigment is present in plants for the manufacture of food
5 / 50
Clostridium tetani is a pathogen which causes ----- ---in man.
6 / 50
The most common organisms found in air are ___.
7 / 50
The mean daily precipitation overland is about
8 / 50
Biogeochemical cycles have the following features except
9 / 50
The pigment is obtained from the fungus Blakeslea trispora
10 / 50
Rhizobium radiciola and Bacillus radiciola live in the root nodules of leguminous plants
11 / 50
Citric acid is produces by ___.
12 / 50
The deep water in a lake beyond the depth of effective light penetration is present in the
13 / 50
The fungal kingdom is divided into ___.
14 / 50
Which microorganism is used for the production of cheese
15 / 50
When a virus lacks a demonstrable latent period in the vector, it is said to be
16 / 50
Prosthesa is an adaptation for a bacterium found in lakes
17 / 50
Homogenization of microorganisms involves ___ of the extract.
18 / 50
The sulphur bacteria oxidizes hydrogen sulphide to sulphur which is stored in bacterial cells as granules
19 / 50
All these are fungi that occur in freshwater except
20 / 50
21 / 50
Saccharomyces cerevisiae produces the enzyme
22 / 50
Lipase is produced by the fungus
23 / 50
Sulphur occurs in different and common oxidation states
24 / 50
Lakes that receive small amount of nutrients are termed ___
25 / 50
One of the following options is not a long-term method of storing virus tissues.
26 / 50
is used for growing colonies of bacteria
27 / 50
27. Living organisms inhabit the
28 / 50
The enzyme is produced by Mucor species
29 / 50
The type and population of microbes in waterbodies is determined by the
30 / 50
The study of the relationship among organisms and their environment is known as
31 / 50
The earth's water supply is also known as
32 / 50
Food leftover in the kitchen for 3 days in the presence of air and water will reveal spores of ___
33 / 50
The sulphur bacteria uses carbon dioxide to reduce hydrogen sulphide to sulphur in order to obtain carbohydrate.
34 / 50
In cell culture, some tissues deteriorate as they multiply; this is called
35 / 50
A type of yeast used in preparing bread is
36 / 50
Autotrophs are able to manufacture their food through ___
37 / 50
Energy transfer to the consumers in the ecosystem is done through the
38 / 50
Food leftover in the kitchen for 3 days in the presence of air and water will reveal spores of
39 / 50
The true fungi are classified into subdivisions based on their
40 / 50
The ultimate energy source in an ecosystem is the
41 / 50
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
42 / 50
The penicillin antibiotic was discovered by
43 / 50
Which of the following is is a limiting factor for growth of many organisms?
44 / 50
Temporary inhabitants of an environment are known as ___.
45 / 50
A limiting factor for growth of many organisms is
46 / 50
is a limiting factor for growth of many organisms
47 / 50
Algae are found as plants in freshwater or ___ in marine water
48 / 50
A is obtained when microorganisms are grown in the laboratory medium
49 / 50
The physical location of an organism is known as ___.
50 / 50
Which of these is not a freshwater habitat?
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