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Biology · 2026 · 2 marks
CBSE 2026 · Region 1 · Set 2 · Q17
(a) What is the role of LAB (Lactic Acid Bacteria) in preparation of curd? (b) Mention two health benefits of consuming curd.
(a)
What is the role of LAB (Lactic Acid Bacteria) in preparation of curd?
(b)
Mention two health benefits of consuming curd.
Marking-scheme solution
(a)
LAB (Lactic acid bacteria) produce acids that coagulate and partially digest the milk proteins and converting milk into curd.
(b)
$\displaystyle \diamond$ Increase the content of vitamin B12 in curd/ improve nutritional quality of curd by increasing vitamin B12 content.
$\displaystyle \diamond$ LAB check the disease causing microbes in our stomach
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CBSE Class 12 Biology past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.