microorganisms : friend and foe

Question 1

Who discovered pasteurisation

Answer 1

louis Pasteur

Question 2

which microorganism should be only seen through an electron microscope

Answer 2

virus

Question 3

what are the categories of microorganisms

Answer 3

bacteria,algae,protozoa,fungi and virus

Question 4

who discovered the vaccine for small pox and when

Answer 4

edward jenner , 1798

Question 5

who found penicillin and when

Answer 5

Alexander fleming , 1929

Question 6

what microorganism is used in the making of alcohol

Answer 6

yeast

Question 7

which microorganism converts the atmospheric nitrogen into soluble form of nitrogen

Answer 7

rhizobium and cyanobacteria

Question 8

what are disease causing microorganisms known as

Answer 8

pathogens

Question 9

what is pasteurization

Answer 9

pasteurization is boiling of milk to high temperature for 15 to 30 seconds and immediately cooling them off and storing it

Question 10

what are some examples of antibiotics

Answer 10

streptomycin , tetracycline and erythromycin

Question 11

what are comminucable diseases

Answer 11

any disease which can spread through physical contact or using the items which the affected person uses or by food

Question 12

which bacteria is used in the curling of milk

Answer 12

lactobacillus

Question 13

which bacteria causes tuberculosis

Answer 13

mycobacterium tuberculosis

Question 14

which bacteria causes cholera

Answer 14

vibrio cholera

Question 15

name two common chemical preservatives

Answer 15

sodium benzoate and sodium metabisulphite

Question 16

which is the common disease between cattle and humans

Answer 16

anthrax

Question 17

which microorganism causes malaria

Answer 17

plasmodium vivax

Question 18

some examples of plant diseases

Answer 18

citrus canker , rust of wheat , yellow vein mosaic of okra

Question 19

which process is used in the making of alcohol

Answer 19

fermentation