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Chemical Engineering MCQs

Q:

Kawal is made from _____________

A) Roots B) Green leaves
C) Stem D) Branches
 
Answer & Explanation Answer: B) Green leaves

Explanation: Kawal is a food made by fermenting a paste of the crushed green leaves of a plant known as kawal (Cassia obtusifolia). It helps in the prevention of many diseases.

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54
Q:

Which of the following is a fermented condiment?

A) Yogurt B) Kombucha
C) Miso D) Jiangs
 
Answer & Explanation Answer: D) Jiangs

Explanation: Jiangs are fermented condiments which are precursors to miso and soy sauce. They are made from meat, fish, and vegetables. They were widely eaten in China before 2,000 years ago.

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98
Q:

Which of the following is produced by fermenting soybeans?

A) Yogurt B) Kombucha
C) Miso D) Jiangs
 
Answer & Explanation Answer: C) Miso

Explanation: Miso is production by the fermentation of soybeans. It is a rich source of vitamins B, E, K, and essential minerals. It also improves gut health and is known to be linked to our physical and mental illness.

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97
Q:

Kombucha is beneficial for ___________ patients.

A) High blood pressure B) Cardiac
C) Low blood pressure D) Diabetes
 
Answer & Explanation Answer: D) Diabetes

Explanation: Kombucha is a tea which contains less amount of sugar and therefore, it is beneficial for patients who are suffering from diabetes. It also improves gut health and strengthens the immune system.

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54
Q:

The partial fermentation of green tea results in the formation of ______________

A) Yogurt B) Sauekraut
C) Kombucha D) Kefir
 
Answer & Explanation Answer: C) Kombucha

Explanation: The partial fermentation of sugar and green tea results in the formation of Kombucha. It is slightly alcoholic with many health benefits. It is rich in beneficial probiotics which are generally safe to consume.

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64
Q:

Which of the following is not the property of the fermented food?

A) Highly Nutritious B) Toxic
C) Anti-toxicity D) Anti-nutrient
 
Answer & Explanation Answer: B) Toxic

Explanation: The fermented food is highly nutritious and is digestible. The fermentation process helps in adding nutrients to the food and also removes toxic compounds and antinutrients if any. They are supportive of digestive health, immune function, and general well-being.

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119
Q:

Citric acid cycle occurs in _____________

A) Vacuoles B) Golgi apparatus
C) Mitochondria D) Nucleus
 
Answer & Explanation Answer: C) Mitochondria

Explanation: The citric acid cycle or TriCarboxylic acid cycle occurs in the innermost compartment of mitochondria where the chemical energy is generated from the end product of the glycolysis pathway. It occurs in mitochondria of eukaryotes whereas, in prokaryotes, it occurs in the cytoplasm.

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48
Q:

Who discovered the citric acid cycle?

A) Hans Krebs B) Carl Wilhelm
C) Wehmer D) Adam
 
Answer & Explanation Answer: A) Hans Krebs

Explanation: Citric acid cycle was discovered by Sir Hans Adolf Krebs and these studies were performed in the breast muscle of pigeon as the breast muscle was a powerful muscle for flight and the oxidative capacity of the breast muscle was maintained even after its disruption and suspension in aqueous media. It is also called a Krebs’ cycle.

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