Biotechnology Quiz

noisymaniacalBiotechnology

Feb 20, 2013 (4 years and 6 months ago)

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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