Which of the following is/are included in microbes?
a) bacteria and virus
b) algae and fungi
c) protozoa
d) all of these
Yoghurt is a dairy product which produced by……..fermentation of milk.
a) viral
b) bacterial
c) fungal
d) yeast
A dairy product which 31% milk solids with 9% fats is………
a) cream
b) buttermilk
c) condensed milk
d) skimmed milk
Which of the following sugar is present in milk?
a) glucose
b) sucrose
c) lactose
d) maltose
Explanation: lactose is fermented to lactic acid
Which of the following bacteria convert milk lactose into lactic acid during fermentation of milk into yoghurt?
a) Streptococcus salivarius
b) S. thermophiles
c) Lactobacillus bulgaricus
d) all of these
Explanation: these are friendly bacteria, and collectively called lactic acid bacteria or LAB
Which of the following milk protein is converted into curd?
a) albumin
b) haemoglobin
c) casein
d) plasminogen
Explanation: it is done by the action of lactic acid produced by bacteria
