Class 10 Biology Competitive Exam MCQs – Practice Test 5 (Chapter 1)

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Free "Class 10 Biology Study" App Download with MCQ: During alcoholic fermentation, the acetaldehyde is reduced to; with answers: ethanol, methanol, lactose, and ascorbic acid for science lab skill training. Solve Biology Fermentation MCQ Questions, download Google e-Book (Free Chapter) to access virtual education platforms.

Biotechnology MCQs – Practice Test 5 PDF Download

MCQ 21: During alcoholic fermentation, the acetaldehyde is reduced to:

methanol
ethanol
lactose
ascorbic acid

MCQ 22: Which of the following microorganisms is used for the production of Ethanol:

aspergillus
saccharomyces
bacillus
none of above

MCQ 23: The lactic acid (C₃H₆O₃) fermentation is used in the production of:

malted drinks
beer production
brown bread
many types of cheese

MCQ 24: In 1978 scientists prepared human insulin by inserting the gene in:

bacteria
virus
fungi
algae

MCQ 25: The enzyme used to dissolve blood clots is called:

urokinase
hemophilia
interferons
lipase

Biotechnology MCQs App & e-Book – Class 10 Biology Competitive Exam

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