Biochemical Engineering questions and answers

Biochemical Engineering Questions and Answers

A set of questions and answers to test and improve your knowledge and understanding of Biochemical Engineering.

26.

β-amylase is

A.

endoenzyme

B.

exoenzyme

C.

saccharifying enzyme

D.

both (b) and (c)

Correct answer is D

No explanation has been provided for this answer.

27.

Coliform bacteria in water is an indication of the presence of

A.

radioactive wastes

B.

excess fertilizer

C.

decaying animals and plants

D.

human feces

Correct answer is D

No explanation has been provided for this answer.

28.

Both temporary and permanent hardness of water can be removed by

A.

boiling

B.

distillation

C.

filtration

D.

decantation

Correct answer is B

No explanation has been provided for this answer.

29.

The methods used for biological treatment are

A.

lagoon

B.

activated sludge process

C.

oxidation ditches

D.

all of these

Correct answer is D

No explanation has been provided for this answer.

30.

Zeolite softening process removes both temporary and permanent hardness of water. In this process, the calcium and magnesium present in water are precipitated as

A.

insoluble carbonates

B.

insoluble zeolites

C.

insoluble chlorides

D.

insoluble sulfates

Correct answer is B

No explanation has been provided for this answer.