microorgansms Flashcards
1
Q
microorganisms are also called
A
microbes
2
Q
water and soil are full of
A
microorganisms
3
Q
microorganisms cant be seen with a
A
naked eye
4
Q
microorganisms are classified into
A
bacteria,fungi,algae and protozoa
5
Q
what can the only reproduce inside the cells of the host organism
A
viruses
6
Q
flu is caused by
A
viruses
7
Q
Tuberculosis is a
A
Bacteria
8
Q
how is TB spread
A
Air
9
Q
Chicken Pox is a
A
Virus
10
Q
how is chicken pox spread
A
Air/Contact
11
Q
Measles is a
A
Virus
12
Q
how is measles spread
A
Air
13
Q
polio is a
A
Virus
14
Q
how is Polio spread
A
Air/Water
15
Q
Cholera is a
A
Bacteria
16
Q
how is Cholera spread
A
Water/Food
17
Q
Typhoid is a
A
Bacteria
18
Q
how is typhoid spread
A
Water
19
Q
Hepatitis A is a
A
Virus
20
Q
how is hepatitis A spread
A
Water
21
Q
Malaria is a
A
Protozoa
22
Q
how is malaria spread
A
Mosquito
23
Q
the grayish white patches on a bread is called as
A
bread mould
24
Q
what is the medicine which stops or kills the growth of bacteria
A
antibiotic
25
who invented the first antibiotic
Alexander Fleming
26
what was the first antibiotic named
penicillin
27
who discovered pasteurization
Louis Pasteur
28
when did Alexander Fleming discovered penicillin
1929
29
who discovered fermentation
louis Pasteur
30
when was fermentation discovered
1857
31
what are the commonly known antibiotics known to fight fungi and bacteria
Streptomycin, tetracycline and erythromycin
32
what is used for the production of alcohol and wine
yeast
33
where is yeast grown
natural sugars present in grains
34
single celled microbes
| are
are bacteria,some algae and protozoa
35
multi celled microbes are
fungi and many algae
36
which bacteria found in curd
Lactobacillus
37
what are useful for fermentation
bacteria and yeast
38
conversion of sugar into alcohol is known as
fermentation
39
what air does yeast produce during respiration
carbon dioxide
40
how does vaccine help us
if dead of weak microbes are injected through vaccine your body memorizes it so it can produce the immunizes to fight against it again
41
what diseases can a vaccine fight
cholera,tuberculosis,small pox and hepatittis
42
what are the drps given to children to prevent polio
polio drops given to children are vaccine
43
what are biological nitrogen fixers
bacteria fix the atmosphere to give soil the nitrogen and fertility
44
why do decaying plants and animals disappear after
| some time
microorganisms
decompose dead organic waste of plants
and animals
45
what type of substance is received after decomposition
simple substances
46
what are disease causing microorganisms called
pathogens
47
the disease that can be spread through air and contact are called
communicable diseases
48
disease that spread through air
cholera, common cold, chickenpox and tuberculosis.
49
what is the parasite of malaria called
plasmodium
50
what insect carries plasmodium
female anopheles mosquito
51
which carrier of dengue virus
female aedes mosquito
52
anthrax is a
bacteria
53
foot and mouth disease of cattle is caused by
virus
54
who discovered bacterium which causes anthrax disease
robert Köch
55
Citrus canker is a
Bacteria
56
how is citrus canker spread
Air
57
rust of wheat is a
fungi
58
how is rust of wheat spread
Air,seeds
59
yellow vein mosaic of okra is a
virus
60
how is yellow vein mosaic spread
insect
61
what is food poisoning
intake of food spoilt by organisms
62
why do we add preservatives
to prevent the attack of microbes
63
what are some common chemical preservatives
sodium benzoate and sodium metabisulphate
64
what is the process of pasteurization
heating the milk to 70 degrees and then chilled prevents the growth of microorganisms
65
meat and fish are covered with dry salt to
check the growth of bacteria
66
what is nitrogen fixation
conversion of nitrogen into useful compounds
67
role of nitrogen in plants are
synthesis of proteins
formation of chlorophyll
constituent of nucleic acid and vitamins
68
examples of biological nitrogen fixers
blue green algae and rhizobium
69
foot and mouth disease in animals is a
virus
70
what turns fixed nitrogen into nitrogenous compounds
bacteria
