MCQs on Fermentation Process for NEET

Fermentation is a metabolic process that is catalysed by enzymes, wherein organisms convert starch or sugar to alcohol or an acid anaerobically releasing energy. The science of fermentation is called β€œzymology”. It is an anaerobic biochemical process, wherein the first step is the same as cellular respiration, which is the formation of pyruvic acid by glycolysis where net 2 ATP molecules are synthesised. In the next step, pyruvate is reduced to lactic acid, ethanol or other products. Here NAD+ is formed which is re-utilized back in the glycolysis process.

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NEET MCQs onΒ Fermentation PDF:-Download the PDF Here

1. Monascus purpureusΒ is utilized in the production of

(a) citric acid

(b) ethanol

(c) statins

(d) streptokinase

Answer: (c)

2. The type of fermentation observed in yeasts is

(a) acrylic fermentation

(b) lactic acid fermentation

(c) pyruvic fermentation

(d) alcoholic fermentation

Answer: (d)

Also Check: What are the types of Fermentation?

3. In lactic acid fermentation, the final electron acceptor is:

(a) Lactic acid

(b) Pyruvate

(c) Oxygen

(d) NAD

Answer: (b)

4. Which of these is not a product of fermentation?

(a) Lactate

(b) Oxygen

(c) Carbon dioxide

(d) Ethanol

Answer: (b)

5. Which of the following is not a vegetable or fruit-based fermented product?

(a) Wine

(b) Sauerkraut

(c) Beer

(d) Vinegar

Answer: (d)

6. One of the most commonly used fermented cereal amongst these is

(a) Wheat

(b) Bread

(c) Rice

(d) Yoghurt

Answer: (b)

7. Glucose molecule during the process of glycolysis is broken down into

(a) Four pyruvic acid

(b) Three pyruvic acid

(c) Two pyruvic acid

(d) One pyruvic acid

Answer: (c)

8. Fermentation occurs in the

(a) presence of oxygen

(b) absence of oxygen

(c) presence of nitrogen

(d) presence of carbon

Answer: (b)

9. The least yield of ATP is observed in

(a) aerobic respiration

(b) anaerobic respiration

(c) fermentation

(d) same in (a), (b), and (c)

Answer: (c)

10. Anaerobic respiration by yeast produces

(a) CO2

(b) Wine and Beer

(c) Alcohol

(d) All of the above

Answer: (d)

Also Check:Β Biology MCQs for NEET

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