11th Standard Computer Applications Control Structure in JavaScript English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021

1.

The _________ statement evaluates an expression and executes one of two pieces of code, dending on the outcome.

(a)

if.. else

(b)

else if

(c)

switch

(d)

All the above

2.

____________ statement is a branching statement.

(a)

if.. else

(b)

else if

(c)

switch

(d)

All the above

3.

_______ is a control statement In JavaScript.

(a)

Branching / Selection

(b)

Looping / repetitive

(c)

Both A and B

(d)

None of these

4.

How many times the following loop executed?
for (i=0; i< =5; i++) {if (i=2 continue;}

(a)

6

(b)

5

(c)

2

(d)

3

5.

Which statement terminate the loop early?

(a)

switch

(b)

break

(c)

default

(d)

continue

6.

Which of the following statement(s) in javascript used to modify the flow control?

(a)

default

(b)

break

(c)

continue

(d)

b and c

7.

In Javascript each part of the for structure operated by________.

(a)

( , )

(b)

( . )

(c)

( ; )

(d)

( : )

8.

The for structure in Javascript enclosed with?

(a)

( )

(b)

{ }

(c)

< >

(d)

[ ]

9.

The variable used in the loop is called ________.

(a)

control

(b)

loop

(c)

initial

(d)

conditional

10.

Which of the following loop structure is very flexible and useful in Javascript?

(a)

while

(b)

for

(c)

do-while

(d)

if-else

11.

How many types of looping statements in Javascript?

(a)

4

(b)

3

(c)

2

(d)

many

12.

Which of the following statement used commonly within switch to exit if choice is found?

(a)

break

(b)

case

(c)

default

(d)

lable

13.

Which of the following statement is an alternate to using if-else structure in Javascript?

(a)

do-while

(b)

else if

(c)

switch

(d)

if

14.

Which of the following statement is true!
(i) The else if statement to specify a new condition if the first condition is false
(ii) The if else statement processing must follow one of two paths

(a)

only (i)

(b)

only (ii)

(c)

both (i) and (ii)

(d)

both are wrong

15.

Which of the following statement is the fundamental control statements?

(a)

if-else

(b)

else-if

(c)

switch

(d)

none of these

16.

Which of the following expression not evaluated in form statement of javaScript?

(a)

relational

(b)

Arithmetic

(c)

logical

(d)

a or b

17.

Which of the following statement is true?
(i) Branching do not transfer control from one statement to another
(ii) A branch alters the execution sequence
(iii) There are four type of control statements

(a)

only (iii)

(b)

only (i)

(c)

only (ii)

(d)

both (ii) and (iii)

18.

In the _____ loop, body of the loop always executed at least once before the condition can be executed.

(a)

For