1000+ Visual Basic .NET MCQ for UPSC CDS [Solved]

1. Finally is fired only when error occurs
A. True
B. False
C.
D.
Answer : B

2. ___________ is used to pass copies of a variable while __________ is used to pass address of a variable.
A. Byval, Byref
B. Byref, Byval
C. Any one of the above
D. None of the above
Answer : A

3. /*1. OleDataAdapterq1.update(DataSet1,"emp")
2. OleDataAdapterq1.update(DataSet1,"std")
3. DataSet1.Merge(DataSet1)
4. DataSet1.AcceptChanges()
/* The error is in line
A. 2
B. 4
C. 3
D. No Error
Answer : D

4. The Apply button automatically appears of the Font Dialog Box is opened
A. True
B. False
C.
D.
Answer : B

5. If a form call another form and the caller form is closed through code, then both forms are disposed
A. True
B. False
C.
D.
Answer : A

6. If a Class in inherited, its constructor is inherited automatically and it is fired automatically
A. True
B. False
C.
D.
Answer : A

7. Only derived class can have shadows keyword
A. True
B. False
C.
D.
Answer : A

8. A function can have multiple return statements
A. True
B. False
C.
D.
Answer : B

9. A DataSet can hold multiple tables even if there are similar fields
A. True
B. False
C.
D.
Answer : A

10. Default event handler of Splitter is
A. Splitter.Click
B. Splitter.Clicked
C. Splitter.Drag
D. None of the above
Answer : D

11. Images can be loaded from
A. Images.FromFile
B. BitMap.FromFile
C. System.FromFile
D. Both a and b
Answer : D

12. A MsgBox can have maximum ___________ button(s)
A. 1
B. 2
C. 3
D. 4
Answer : C

13. Two commands can be written in the same line using
A. :
B. ;
C. ,
D. .
Answer : A

14. To uninstall a Windows Service ____________ is use
A. Installutil -I
B. Installutil -e
C. Installutil -u
D. Installutil -d
Answer : C

15. This view pops up if "Ctrl+F1" is pressed
A. Help
B. Properties Window
C. Dynamic Help
D. Server Explorer
Answer : C

16. To override Finalize function the scope of the function must be
A. Private
B. Public
C. Protected
D. Static
Answer : C

17. To use HelpProvider, the following properties of the form needs to be set
A. HelpButton
B. MaximizeBox
C. MinimizeBox
D. All of the above
Answer : D

18. A user wants that custom colors are visible when the Color Dialog Box is first Opened. What should he do?
A. Set AllowFullOpen to True
B. Set AnyColor to True
C. Set Open to True
D. Set FullOpen to True
Answer : D

19. To add controls at runtime use
A. Controls.New
B. Controls.AddNew
C. Controls.Add
D. Controls.AddItem
Answer : C

20. VB.NET supports Multi Level Inheritance
A. True
B. False
C.
D.
Answer : A

21. This view is not present in VB.NET
A. Project Explorer
B. Class View
C. Resource View
D. Server Explorer
Answer : A

22. Function abc() As String
Return 10
End Function
A. Will produce compilation error
B. Will produce runtime error
C. The function will execute normally
D. None of the above
Answer : A

23. PasswordChar property of a TextBox can accept " " (space) as the password char
A. True
B. False
C.
D.
Answer : B

24. If nothing is selected in a combo box, its index value is
A. -1
B. 0
C. 1
D. Null
Answer : A

25. InputBox by default returns ________ values
A. Integer
B. Byte
C. Double
D. String
Answer : D

26. Using MyBase you can call base class
A. Constructor
B. Method
C. Variables
D. All of the above
Answer : D

27. To call a buttons click event use
A. Button1.Click
B. Button1.PerformClick
C. Button1.Clicked
D. None of the above
Answer : B

28. /*1. Class C
2. public mustinherit sub abc()
3. msgbox("Base Class")
4. end sub
5. end Class /* The error is in line no.
A. 1
B. 2
C. 3
D. 4
Answer : A

29. To redimension an array with its previous values intact use ___________ keyword
A. RedimPreserve
B. Preserve
C. Redim
D. Redim Preserve
Answer : D

30. If Option Explicit is on then Dim i as Integer="10" will produce an error
A. True
B. False
C.
D.
Answer : B

31. If MustOverride is used then ____________ is also a must.
A. Overridable
B. Inherits
C. MustInherit
D. None of the above
Answer : C

32. In reports ___________ property help to assign user-defined criteria
A. ReportSource
B. SectionFormula
C. Query
D. SelectionFormula
Answer : D

33. To get details about an error use
A. Err.Message
B. Err.Desc
C. Err.Description
D. Err.Number
Answer : C

34. Get method is used to
A. Assign a value to an user control
B. Read value from an user control
C. Both of the above
D. None of the above
Answer : A

35. Set method is used to
A. Assign a value to an user control
B. Read value from an user control
C. Both of the above
D.
Answer : B

36. A form can have only one default button
A. True
B. False
C.
D.
Answer : A

37. The SelectionMode property of a CheckedList Box can be set only to
A. One
B. MultiSimple
C. MultiExtended
D. None of the abvove
Answer : A

38. FolderBrowserDialog displays
A. File
B. Folder
C. Drives
D. b and c
Answer : D

39. _________ and _____________ combines to make a KeyPress event
A. KeyUp, KeyDown
B. KeyEnter, KeyRelease
C. KeyDown, KeyRelease
D. KeyEnter, KeyUp
Answer : A

40. In ADODB the _____________ property is used to connect to the table
A. RecordSet
B. DataSource
C. RecordSource
D. Connection
Answer : A

41. VB.NET does not support control arrays
A. True
B. False
C.
D.
Answer : A

42. The name of the IDE window that allows you to see the hierarchical arrangement of the files in your project is
A. Server Explorer
B. Project Explorer
C. Solution Explorer
D. None of the above
Answer : C

43. A single LinkLabel can support multiple links
A. True
B. False
C.
D.
Answer : A

44. Dim a() as Integer-{1,2,3,4}is a valid statement
A. True
B. False
C.
D.
Answer : A

45. In OLEDB database can be accessed without using DataSet
A. True
B. False
C.
D.
Answer : A

46. When a project is Built it creates a _______ and ________ file under Bin directory
A. .exe, .sln
B. .exe, .dll
C. .dll, .sln
D. .exe, .ocx
Answer : B

47. A Class can inherit both Class and Interface at a time
A. True
B. False
C.
D.
Answer : A

48. For the same class "Me" and MyBase" are same
A. True
B. False
C.
D.
Answer : A

49. If an user-defined class have a user-defined event then, the class object is declared as
A. Dim c as new ClassName
B. Dim withEvents c as new ClassName
C. Dim c as ClassName
D. Dim withEvents c as ClassName
Answer : B

50. If a button click event is to be fired when the user press the 'Esc' key, set the buttons name against forms _________ property
A. DefaultButton
B. AcceptButton
C. DialogResult
D. CancelButton
Answer : D