Skip to content
  • Chemistry MCQs
  • Computer MCQs
  • English MCQs
  • General Knowledge MCQs
  • General Science MCQs
  • Islamiyat MCQs
  • Mathematics MCQs
  • Physics MCQs
TestMCQs.org
  • Home
  • Subjects
  • Dynamic Quiz
  • Jobs
  • Blog
  • About Us
  • Contact Us

Home > Biology > Biochemistry

Which of the following is a byproduct of fermentation in yeast?

A. Lactic acid
B. Ethanol
C. Oxygen
D. Carbon dioxide

Answer: Ethanol


Additional Information: Fermentation in yeast produces ethanol and carbon dioxide as byproducts, in the absence of oxygen.


Subjects: Biochemistry, Biology

Related MCQs

  • Which molecule is produced during the breakdown of glucose in glycolysis?
  • Which organelle is involved in protein modification and packaging for export?
  • Which polysaccharide serves as an energy storage molecule in animals?
  • Which type of macromolecule is involved in providing structure and function to cells and tissues?
  • What is the function of ribosomes in cells?
  • Which of the following is a method by which genetic information is transferred from DNA to RNA?
  • Which molecule is central to the Calvin cycle in photosynthesis?
  • Which lipid type is a key component of cell membranes?
  • What is the role of the smooth endoplasmic reticulum in cells?
  • Which of the following is the main function of tRNA during protein synthesis?
  • Which of the following compounds can directly enter the citric acid cycle?
  • Which type of RNA carries genetic information from DNA to ribosomes?
  • Which of the following molecules is a major energy carrier in the cell?
  • What is the role of ATP in metabolism?
  • Which of the following is NOT a product of the light-dependent reactions of photosynthesis?

MCQs Menu

  • Biology MCQs
  • Chemistry MCQs
  • Computer MCQs
  • English MCQs
  • General Knowledge MCQs
  • General Science MCQs
  • Geography MCQs
  • Islamiyat MCQs
  • Mathematics MCQs
  • Physics MCQs

Engineering MCQs

  • Civil MCQs
  • Electrical MCQs
  • Mechanical MCQs
  • Privacy Policy
  • Terms & Conditions
  • Disclaimer
  • Sitemap
© 2025 TestMCQs.org • Built with GeneratePress