Tag: microbiology: organisms in industry

Questions Related to microbiology: organisms in industry

Multiple choice botany biotechnology: general introduction microbiology: organisms in industry biotechnology commercial applications of biotechnology

Which of the following is not a tool of genetic engineering?

  1. Cloning vector

  2. Restriction enzyme

  3. Foreign DNA

  4. GMO

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Genetic engineering is the process of replicating a specific set of genes from a strand of DNA. It is the process of using gene cloning and other genetic manipulation tools to achieve isolate specific genes. 

Tools for genetic engineering:
  • PCR
  • Restriction enzymes
  • Gel electrophoresis
  • DNA Ligase
  • Plasmids 
  • Transformation 
  • Transgenic organisms 
  • So, the correct option is 'Option D'.

Multiple choice microbiology: organisms in industry option b: biotechnology and bioinformatics biology

Who coined the term zymase for enzymes in Yeast?

  1. Buchner

  2. Kuhne

  3. Pasteur

  4. Sumner

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Zymase was found accidentally in yeast extract by Buchner in 1897. He prepared a yeast extract and added sugar solution to it. After sometime he noticed the alcohol formation in the extract which was a sign of fermentation which took in presence of enzyme. Zymase helps in the fermentation of sugar into ethanol and carbon dioxide. The sugar in the juice acted as substrate for the enzyme in the yeast cell. 
So, the correct answer is option A.
Multiple choice microbiology: organisms in industry option b: biotechnology and bioinformatics biology

Arrack is fermented

  1. Apple juice

  2. Toddy

  3. Cashewnut thalamus

  4. Grapes

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Arrack is an alcoholic drink produced by distillation of fermented toddy. Toddy is an alcoholic drink produced from the sap of coconut flowers. The sap is fermented to produce toddy, a traditional drink in south India. Fermented toddy is then distilled to produce arrack. However, Arrack has been banned in India. It has refreshing effects but it is also toxic if consumed in excess amount. It has caused many deaths in different countries.
So, the correct answer is 'Toddy'.