Biotechnology Quiz

Biotechnology Quiz


Q1: Wine and beer are made with the help
of yeast. What type of micro
-
organism is
yeast?


a) Bacteria


b) Fungus


c) Algae


d) Microbeast


Q2


What is the term used to describe the
conversion of sugar to alcohol?


a) Alcoholic Fermentation


b) Germination


c) Aerobic Respiration


d) Pure Genius


Q3


Alcoholic Fermentation produces alcohol
and energy. What other product is
produced?


a) Carbon Dioxide


b) Water


c) Oxygen


d) Alcoholics


Q4


In the beer industry what name is given to
the conversion process of starch to sugar in
barley grains?


a) Germination


b) Malting


c) Fermentation


d) Batch Processing


Q5)


What substance when present in milk
causes it to sour?


A) Lactose


b) Amino Acids


c) Lactic Acid


d) A slice of lemon

Q6)


What 3 growth conditions must be given to
yeast during beer making?


a) Food, Suitable Temp and Lack of
Competition


b) Food, Oxygen and Suitable Temp


c) Food, CO
2
, and Suitable Temp


d) Food, Oxygen and Lack Of Competition


Q7)


What type of plant thrives in a river
polluted with raw sewage?


a) Seaweed


b) Algae


c) Water Lily


d) Lichen


Q8


Name 2 diseases that could be spread by
untreated sewage


a) AIDS and Hepatitis


b) Chicken Pox and Mumps


c) Dysentery and Cholera


d) Malaria and Diptheria

Q9


Which gas produced as a side product of
sewage treatment is often of economic
value


a) Nitrogen


b) Methane


c) Oxygen


d) Hydrogen

Q10


In Brazil what crop is used to produce
alcohol as a fuel for cars which is able to
replace petrol?


a) Wheat


b) Sugar Cane


c) Maize


d) Oats


Q11


What piece of apparatus is used to heat
glassware above 120
o
C in a microbiology
lab?


a) Oven


b) Microwave


c) Autoclave


d) Bunsen Flame

Q12


What name is given to the type of bacteria
that obtain food from dead or decaying
material?


a) Fungi


b) Nitrobacter


c) Saprophytes


d) Leguminous

Q13


What name is given to the stage of the
nitrogen cycle where nitrates are converted
into nitrogen gas?


a) Nitrification


b) Denitrification


c) Nitrogen Fixation


d) Nitrogenation

Tie
-
Break 1


What name is given to the type of
protection used by bacterial cells so they
can resist extreme temps and pH’s?



A: Spores/Endospores

Tie Break 2


In bread making what makes the dough
bubble and rise?



A: Carbon Dioxide

Tie Break 3


What test could be done to prove that lactic
acid fermentation was taking place in sour
milk?



A: pH test

Tie Break 4


What name is given to the growth medium
commonly used in petri dishes to grow
microbes?



A: Agar