What are the most important MCQ from User-Defined Methods from Computer Applications? (ICSE Class 10)

INTRODUCTION

The User-Defined Method is an important chapter from Computer Applications. It is under ICSE 2022 Computer Applications syllabus.

In this article, I have shared with you the important MCQs from the User-Defined Methods. Please read the questions carefully and try finding their answers, and then look for the given answers.

Important MCQ from the User-Defined Methods :

Q1. Which of the following Java keyword indicates that a method has no return type?

a. null
b. void
c. private
d. return

ANSWER: b

Q2. Which of the following functions (methods) do not change the state of an object?

a. Impure function
b. Pure function
c. Reserved function
d. Both b & c

ANSWER: b

Q3. What shall be written in the blank to illustrate function overloading?

max(int a, int b)
____ (double i, double b)

a. area
b. max
c. class name
d. we can give any name

ANSWER: b

Q4. How are the reference types passed in Java?

a. By value
b. By reference
c. By dot operator
d. Cannot say

Answer: b

Q5. Formal parameters are also known as:

a. Standard parameters
b. Virtual parameters
c. Tertiary parameters
d. Dummy parameters

ANSWER : d

Q6. The parameters that appear in the method call are called ______ parameters.

a. Actual
b. Formal
c. Partial
d. Both a & b

ANSWER: a

Q7. If a function contains six return statements, how many of them will be executed?

a. All the above
b. none of the statements
c. 3 statements
d. Only one

Answer : d

Q8. Choose the values of p after the execution of the following function?
The values passed are 10 & 20

void func(int p, intq)
{
p=p*q;
q=p*q;
p=p*q;
System.out.println(p+" ,"+b);
}

a. 800000
b. 750000
c. 480000
d. 530000

ANSWER: a

Q9. Which of the following is the reference data type?

a. char
b. boolean
c. arrays
d. long

ANSWER: c

Q10. Name the return type of the main() method?

a. void
b. static
c. int
d. Any data type

ANSWER: a

Q11. Will the impure methods return the same when the same arguments are given?

a. Yes
b. No
c. Wrong Question
d. Cannot say

ANSWER: b

Q12. The String objects are _____ in Java.

a. Mutable
b. Immutable
c. Invalid
d. Arguments

ANSWER: b

Q13. If the strings are passed by reference, can they be changed?

a. Yes
b. No
c. Incorrect question
d. Cannot say

Answer: b

Q14. Fill in the blanks:
MyFunc obj = new ______;

a. Myfunc()
b. class name
c. MyFunc()
d. Both b & c

Answer: c

Q15. A method is a named block of code within a ______.

a. Function
b. Scope
c. Class
d. Both b & c

Answer: c

So, these were the most important MCQs from the User-Defined Methods, ICSE Class 10. If you find these questions important, please share it with your friends. If you have any queries, tell me in the comments.