Explore topic-wise MCQs in Technology.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Technology knowledge and support exam preparation. Choose a topic below to get started.

1.

The pH of molasses solution in the manufacture of ethanol should be __________

A. 1-2
B. 2-3
C. 7-9
D. 4-5
Answer» E.
2.

Denatured ethanol is safe for drinking.

A. True
B. False
Answer» C.
3.

What is mash made up of in the manufacture of ethanol from molasses?

A. Ammonium nitrate + Magnesium nitrate
B. Ammonium nitrate + Magnesium nitrate + Phosphorous
C. Ammonium sulphate + Magnesium sulphate
D. Ammonium sulphate + Magnesium sulphate + Phosphorous
Answer» E.
4.

Which among the following methods cannot be used for the manufacture of ethanol?

A. From fermentation of molasses
B. From lignocelluloses biomass
C. Catalytic hydrogenation of ethylene
D. From microorganisms
Answer» E.
5.

Which enzyme is used to hydrolyse starch to maltose to manufacture ethanol by fermentation?

A. Diastase
B. Alpha-Amylase
C. Lipase
D. Beta-Amylase
Answer» B. Alpha-Amylase