Read the given paragraph where few words have been italicised and select the
incorrect option regarding them.
Yeast is a multicellular microorganism belonging to the group fungi. During
respiration, it releases oxygen which forms bubbles and makes the dough fluffy and a
small amount of alcohol. Another bacterium, Lactobacillus feeds on the lactose present in milk to produce lactic acid. This process
is known as fermentation and it turns milk into curd and occurs best in warm conditions.
A Multicellular should be replaced by
unicellular and fungi should not be
replaced as it is mentioned correctly.
B Oxygen should be replaced with carbon
dioxide as it is mentioned incorrectly
while alcohol should not be replaced.
C Lactobacillus should be replaced with
Clostridium and lactic acid should be
replaced with ethanol as they are
mentioned incorrectly.
D Fermentation and warm should not
be replaced as they are mentioned
correctly.
It should be b