Class X

Lactic acid (C3HH6O3) fermentation is used in production of
  1. malted drinks
  2. beer production
  3. brown bread
  4. many types of cheese
Considering fermentation at industrial level, microorganism Saccharomyces is used to form
  1. glycerol
  2. ethanol
  3. formic acid
  4. both a and b
First step of genetic engineering is
  1. isolation of gene interest
  2. insertion of gene into vector
  3. growth of GMO
  4. expression of gene
Organisms that have modified genetic set-up are classified as
  1. bio enzymes
  2. transgenic
  3. genomes
  4. microbes
Types of carbohydrate fermentation includes
  1. lactic acid fermentation
  2. alcoholic fermentation
  3. pyruvic acid
  4. both a and b
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