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Dhruvan G from Indian School al Ghubra, Muscat
Subject :NSO    Class : Class 8

Read the given passage and select the correct option for X and Y.
Microorganisms are used for the large scale production of alcohol, wine and acetic acid. X is used for commercial production of alcohol and wine. The process of conversion of sugar into alcohol is known as Y.

A X : Streptococcus; Y : Aerobic respiration
B X : Saccharomyces Y : Fermentation
C X : Lactobacillus; Y : Fermentation
D X : Saccharomyces; Y : Aerobic respiration


Isn't it C?

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is B

Microorganisms are used for the large scale production of alcohol, wine and acetic acid. Yeasts are mainly used in the commercial production of wine, beer and other alcoholic drinks. The main yeast species used is Saccharomyces cerevisiae. The process of conversion of sugar into alcohol is known as fermentation. 


Ans 2:

TARUN from DAV, DHANBAD
Class : Class 8

Ans 3:

Anay Harish Marda from Shraddha Olympiad school, Ichalkaranji
Class : Class 7

Ans 4:

TARUN from DAV, DHANBAD
Class : Class 8
Ans.- (B) X is Saccharomyces cerevisiae and is used to make wine. This process of conversion of sugar into alcohol in the absence of air(anaerobic respiration) is called Fermentation (Y)

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