Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

If the rate of denaturation of enzyme Y is 1.5*10-4/min, then the half-life of enzyme Y is ______ mins.

A. 0.462*103
B. 4.62*103
C. 46.2*103
D. 0.0462*103
Answer» C. 46.2*103
2.

The equation \(t_{1/2}=\frac{0.693}{k_d}\) represents ___________

A. Arrhenius equation
B. Lineweaver Burk equation
C. Half-life
D. Gibbs-Helmholtz equation
Answer» D. Gibbs-Helmholtz equation
3.

For every, 1000 fold increase in pressure, the Km is _____________

A. reduced to half
B. doubled
C. reduced to zero
D. increased by 10 folds
Answer» B. doubled
4.

What does the equation, k = \(Ae^{\frac{-∆G}{RT}}\) represent?

A. Arrhenius equation
B. Miachelis Menton equation
C. Lineweaver Burk equation
D. Half-life
Answer» B. Miachelis Menton equation
5.

The following graph represents the effect of ____________ on activity of an enzyme catalyzed reaction.

A. pH
B. Incubation period
C. Temperature
D. Productivity
Answer» D. Productivity
6.

What does the following graph represent?

A. Effect of temperature on the rate of enzyme catalyzed reaction
B. Effect of pH on the rate of enzyme catalyzed reaction
C. Effect on ionic strength on the rate of enzyme catalyzed reaction
D. Effect of temperature on stability of an enzyme catalyzed reaction
Answer» C. Effect on ionic strength on the rate of enzyme catalyzed reaction
7.

The rate of enzyme catalyzed reaction decreases with an increase in ionic strength if the charges are identical.

A. True
B. False
Answer» C.
8.

Calculate the ionic strength of 0.2 M solution of Calcium chloride?

A. 0.9 M
B. 0.06 M
C. 0.6 M
D. 6.0 M
Answer» D. 6.0 M
9.

The pH at which the net charge on the enzyme molecule is zero is called __________

A. pKa
B. Half-life
C. Isoelectric point
D. Km
Answer» D. Km
10.

Enzymes are amphoteric molecules.

A. True
B. False
Answer» B. False
11.

What is the use of a function called port map()?

A. Component declaration
B. Defining identifiers
C. Component instantiation
D. Defining inputs and outputs
Answer» D. Defining inputs and outputs
12.

Ports are known as _________ to the component.

A. Structure
B. Behavior
C. Function
D. Interface
Answer» E.
13.

Which modeling style does the following code represents?

A. Structural
B. Component
C. Behavior
D. DataflowView Answer
Answer» B. Component
14.

Which logic function is described in the code given below?

A. AND
B. EXOR
C. OR
D. EXNORView Answer
Answer» C. OR
15.

Refer to the code given below, which type of modeling is used to describe the system?

A. Structural
B. Component
C. Dataflow
D. BehavioralView Answer
Answer» E.
16.

Component instantiation is the part of __________ modeling.

A. Behavior
B. Component
C. Dataflow
D. Structural
Answer» E.
17.

Structural style use processes.

A. True
B. False
Answer» C.
18.

What does modeling type refer to?

A. Type of ports in entity block of VHDL code
B. Type of description statements in architecture block of VHDL code
C. Type of data objects
D. Type of Signals
Answer» C. Type of data objects
19.

XML is a markup language where documents must be marked up correctly.

A. True
B. False
Answer» B. False
20.

For 6252 AT/Poles, if brush shift is of 2.50 mech. Degrees, what will be the cross-magnetizing ampere-turns per pole for a 6-pole DC machine?

A. 521
B. 5731
C. 5231
D. 571
Answer» C. 5231
21.

For 6252 AT/Poles, if brush shift is of 2.50 mech. Degrees, what will be the demagnetizing ampere-turns per pole for a 6-pole DC machine?

A. 521
B. 5731
C. 5231
D. 571
Answer» B. 5731
22.

What is the total ampere turns per pole for 720 lap wounded conductors with carrying armature current equal to 625A in a 6-pole machine?

A. 6252 AT/pole
B. 625.2 AT/pole
C. 62.52 AT/pole
D. 8252 AT/pole
Answer» B. 625.2 AT/pole
23.

If total ampere turns per pole is equal to 6000 A-turns, peak ampere turns for a 4-pole machine is _____

A. 24000
B. 3000
C. 1500
D. 4500
Answer» D. 4500
24.

What is the total ampere turns/pole (in AT/pole) if 600 lap wound conductors carry 120A current through conductors (P=4)?

A. 18000
B. 9000
C. 4500
D. 13500
E. if 600 lap wound conductors carry 120A current through conductors (P=4)?a) 18000b) 9000c) 4500d) 13500
Answer» C. 4500
25.

Flux density in the interpolar region drops down because of ______

A. ATa (peak)
B. Large air gap
C. Absence of magnetic poles
D. Depends on other parameters
Answer» C. Absence of magnetic poles
26.

Which of the following strain is useful for diabetes treatment?

A. Interferon
B. Insulin
C. Interleukin
D. Glucagon
Answer» C. Interleukin
27.

Which of the following is a type of mutation?

A. Point mutations
B. Frameshift mutations
C. Sense mutation
D. Missense mutations
Answer» D. Missense mutations
28.

Which of the following cannot induce mutations?

A. X-rays
B. Gamma rays
C. Bromine
D. Chlorine
Answer» E.
29.

In which of the following technique the genome is transferred from one organism to another?

A. Protoplast fusion
B. rDNA technology
C. Induced mutations
D. Conjugation
Answer» B. rDNA technology
30.

Which of the following organism(s) strain can be improved by parasexual cycle?

A. A. niger
B. P. chrysogenum
C. A. nidulans
D. B. flavum
Answer» E.
31.

Which of the following secondary metabolites does not prevent the synthesis of its own?

A. Chloramphenicol
B. Puromycin
C. Penicillin
D. Streptomycin
Answer» E.
32.

Which of the following is the analogue of valine?

A. Isoleucine
B. Trifluoroleucine
C. Leucine
D. Cephamycin
Answer» C. Leucine
33.

Shiio and Sano (1969) investigated the use of prototrophic revertants of __________ for lysine production.

A. C. glutamicum
B. B. flavum
C. S. cerevisiae
D. S. typhi
Answer» C. S. cerevisiae
34.

The Replica plate technique was used for _________

A. Isolation of auxotrophs
B. Isolation of revertants
C. Isolation of analogue-resistant mutants
D. Isolation of prototrophs
Answer» C. Isolation of analogue-resistant mutants
35.

Who discovered the Gradient plate technique?

A. Sano
B. Shiio
C. Szybalski
D. Kubota
Answer» D. Kubota
36.

α – ketoglutarate dehydrogenase normally converts _______ into _______

A. α – ketoglutarate, succinate
B. α – ketoglutarate, malate
C. α – ketoglutarate, glutamate
D. α – ketoglutarate, oxaloacetate
Answer» B. α – ketoglutarate, malate
37.

When C. glutamicum was grown in a medium containing a high concentration of biotin, the amount of glutamate produced was ________

A. 10-40 µg/mg-1
B. 20-35 µg/mg-1
C. 25-36 µg/mg-1
D. 35-40 µg/mg-1
Answer» D. 35-40 µg/mg-1
38.

Who isolated a biotin-requiring, Corynebacterium glutamicum?

A. Kinoshita
B. Nakayama
C. Nakao
D. Demain
Answer» B. Nakayama
39.

The Induced mutations results in _________ formation.

A. A-A dimer
B. C-C dimer
C. T-T dimer
D. G-G dimer
Answer» D. G-G dimer
40.

Which of the following procedure has a great application in strain improvement?

A. rDNA Technology
B. Conjugation
C. Transformation
D. Transduction
Answer» B. Conjugation
41.

The workbench UI is ________

A. Plug-in
B. IDE
C. GNU
D. Codebase
Answer» B. IDE
42.

The ________ is responsible for defining a structure for plug-ins.

A. Editors
B. Standard Widget Toolkit
C. Runtime
D. JFace UI
Answer» D. JFace UI
43.

The platform itself is built in layers of plug-ins.

A. True
B. False
Answer» B. False
44.

Repository experts build ________ and the usability experts build ________

A. Back end, End user
B. Front end and End user
C. Back user, Front user
D. Back end , Front end
Answer» E.
45.

The consortium’s operating principles assured that open source community would control ________

A. Code
B. Consortium
C. Both code, consortium
D. Neither code nor consortium
Answer» D. Neither code nor consortium
46.

MVS stands for ________

A. Microsoft Visual Studio
B. Memory Visual Studio
C. Microsoft Virtual Studio
D. Memory Virtual Studio
Answer» B. Memory Visual Studio
47.

Which of following statement is true?i. Cloud9 has gained particular interest for its integration with GitHub and Bit Bucket authentication integration and real-time collaboration.ii. Cloud9 does not account for SSH and FTP access.

A. ii
B. i
C. i and ii
D. Neither i and ii
Answer» C. i and ii
48.

Which of the following is not an IDE?

A. BlueGriffon 1.5.2
B. Aptana studio 3c) TextEdit(Ma
C. TextEdit(Mac)
D. Dreamweaver
Answer» D. Dreamweaver
49.

Which of the following service is used for backing up a licensed computer?

A. CarbonT
B. Karbonite
C. Carbonite
D. None of the mentioned
Answer» D. None of the mentioned
50.

Cloud computing shifts capital expenditures into ________ expenditures.

A. operating
B. service
C. local
D. none of the mentioned
Answer» B. service