Explore topic-wise MCQs in Enzyme Technology.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Enzyme Technology knowledge and support exam preparation. Choose a topic below to get started.

1.

__________ is a method which is highly used for lab scale procedures than large scale work.

A. Ultrasonication
B. Homogenization
C. Freezing
D. Alkali treatment
Answer» B. Homogenization
2.

Mortar and pestle, french press and homogenizer are widely used to lyse the cells by ultrasonication.

A. True
B. False
Answer» C.
3.

Freezing technique is not preferred unless otherwise there is a need.

A. True
B. False
Answer» B. False
4.

____________ technique is nothing but a cold or psychrophilic shock.

A. Ultrasonication
B. Homogenization
C. Freezing
D. Alkali treatment
Answer» D. Alkali treatment
5.

The technique in which the cells are subjected to cold temperature of about -15 C to -25 C is referred to as _____________

A. ultrasonics
B. freezing
C. homogenization
D. osmotic shock
Answer» C. homogenization
6.

Homogenization performed by passing the cells at high pressure through narrow orifice which can also cause cell rupture is referred to as _______________

A. ultrasonicator
B. freezer
C. mortar and pestle
D. french press
Answer» B. freezer
7.

A _________ has long teflon tube about 30-40 cm long which is bulged at the end and has an automated machine for providing the pressure.

A. ultrasonicator
B. homogenizer
C. osmotic shock
D. mortar and pestle
Answer» D. mortar and pestle
8.

Homogenization utilizing ____________ is one where in manual pressure is created for cell lysis.

A. mortar and pestle
B. ultrasonicator
C. freezer
D. french press
Answer» B. ultrasonicator
9.

Homogenization cannot be done by using which one of the following?

A. Homogenizer
B. Mortar and pestle
C. French press
D. Ultrasonicator
Answer» E.
10.

The procedure in which cell lysis occur because of shock waves which are formed due to collapses occurring in buffered solution containing cells is referred to as _______________

A. alkali treatment
B. osmotic shock
C. ultrasonication
D. detergent treatment
Answer» D. detergent treatment
11.

____________ is a phenomenon of assuming frequencies more than 20 kHz which is above the human audibility.

A. Homogenization
B. Ultrasonics
C. Alkali treatment
D. Freezing
Answer» C. Alkali treatment
12.

Which of the following is not a physical method for extraction of enzymes?

A. Osmotic shock
B. Ultrasonication
C. Homogenization
D. Freezing technique
Answer» B. Ultrasonication