MCQs on Flow of control, conditional statements
Topic: OUTPUT,ERRORS,FLOW OF CONTROL,CONDITIONAL STATEMENTS
Q.1 Which one of the following is a valid Python if statement :
a) if a>=2 : ✓
b) if (a >= 2)
c) if (a => 22)
d) if a >= 22
Q.2 Which of following is not a decision-making statement.
a) if-elif statement
b. for statement ✓
c. if -else statement
d. if statement
Q.3 What does the following code print to console.
if True:
print(1001)
else:
print(2002)
a) 1001 ✓
b.true
c.2002
d. false
Q.4 What will be the output of the following Python code?
list1 = [3 , 2 , 5 , 6 , 0 , 7, 9]
sum = 0
sum1 = 0
for elem in list1:
if (elem % 2 == 0):
sum = sum + elem
continue
if (elem % 3 == 0):
sum1 = sum1 + elem
print(sum , end=” “)
print(sum1)
a. 8 9
b. 8 3
c. 2 3
d. 8 12 ✓
Q.5 What will be the output of the following Python code?
If 4+5==10:
print(“TRUE”)
else:
print(“false”)
print (“True”)
a. False
True
b. True ✓
True
c. false
d. none
Q.6 What keyword would you use to add an alternative condition to an if statement?
a. else if
b. elseif
c. elif ✓
d. None of the above
Q.7 What will be the output of the following Python code?
str1=”learn python”
str2=””
str3=””
for x in str1:
if(x==”r” or x==”n” or x==”p”):
str2+=x
pass
if(x==”r” or x==”e” or x==”a”):
str3+=x
print(str2,end=” “)
print(str3)
a) rnpn ea
b) rnpn ear ✓
c) rnp ea
d) rnp ear
Q.8 Predict the output of the following code:
X=3
If x>2 or x<5 and x==6:
Print(“ok”)
else:
print(“no output”)
a . ok
b. okok
c. no output ✓
d. none of above
Q.9 Predict the output of the following code:
x,y=2,4
if(x+y= =10):
print(“true”)
else:
print(“false”)
a. true
b .false ✓
c. no output
d. none
Q.10 Consider the following code segment:
a = int(input(“Enter an integer: “))
b = int(input(“Enter an integer: “))
if a <= 0:
b = b +1
else:
a = a + 1
if a > 0 and b > 0:
print (“W”)
elif a > 0:
print(“X”)
if b > 0:
print(“Y”)
else:
print(“Z”)
What letters will be printed if the user enters -1 for a and -1 for b?
a) Only W
b. Only X
c. Only Y
d. Only Z ✓
Q.11 If the user inputs : 2<ENTER>, what does the following code snippet print?
x = float(input())
if(x==1):
print(“Yes”)
elif (x >= 2):
print(“Maybe”)
else:
print (“No”)
a.Yes
b.No
c.Maybe ✓
d.Nothing is printed
Q.12 What will be the output of given Python code?
str1=”hello”
c=0
for x in str1:
if(x!=”l”):
c=c+1
else:
pass
print(c)
a) 2
b. 0
c. 4
d. 3 ✓
Q.13 What does the following Python program display ?
x = 3
if x == 0:
print (“Am I here?”, end = ‘ ‘)
elif x == 3:
print(“Or here?”, end = ‘ ‘)
else :
pass
print (“Or over here?”)
a) Am I here?
b. Or here?
c.Am I here? Or here?
d.Or here ? ✓
Or over here?
Q.14 Which one of the following if statements will not execute successfully?
- if (1, 2) ;
print(‘foo’)
- if (1, 2) :
print(‘foo’)
- if (1) :
print( ‘foo’ )
- if (1) ;
print( ‘foo’ )
a) 1 ,4
b) 2 ✓
c) 2,4
d) 4
Q.15 if( a):
print(“a is non zero”)
else:
print(“its results is True”)
a) false
b) True
c) Its result is True
d) a is nonzero ✓
Q.16 The ……………… statement forms the selection construct in Python.
a) If else if
b..if ✓
c. For ;
d.for
Q.17 In Python, …………………. defines a block of statements.
a. Block
b.loop
c.indentation ✓
d.{}
Q.18 An ……………… statement has less number of conditional checks than two successive ifs.
a) If else if
b. if elif
c. if-else ✓
d. none
Q.19 The……….. clause can occur with an if as well as with loops.
a) else ✓
b. breake
c. continnue
d. none
Q.20 The ………….statement terminates the execution of the whole loop.
a) continue
b) exit
c. breake
d. break ✓
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Q.21 The ……….. operator tests if a given value is contained in a sequence or not.
a) In:
b) in ✓
c. not in
d. none
Q.22 An empty /null statement in Python is …………….
a) pass ✓
b. none
c. null
d. none
Q.23 The break and continue statements, together are called …………….statement.
a) Jump
b. goto ✓
c. compound
d. none
Q.24 The order of statement execution in the form of top to bottom is known as construct.
a) alternate
b.sequence ✓
c.flow of data
d. flow chart
Q.25 The two membership operators are ……….and …………
a) in, not in ✓
b. true , false
c.=,==
d. none
Q.26 A graphical representation of an algorithm to solve a problem is called ……………
a) flow of data
b. barchart
c. flow chart ✓
d. none
Q.27 What is the logical expression for the following
Either A is greater than B or A is less than C
a) A>B or A<C ✓
b. A>B and A<C
c . A>Band C
d. A>B or C
Q.28 Name is rohit and age between 18 and 35
a) name==rohit and age >=18 and age<=35
b) name==rohit and age >=18 or age<=35
c) name==rohit or age >=18 and age<=35 ✓
d) none
Q.29 Donation in the range of4000-5000 or guest=1
a) (donation>=4000 and donation<=5000) or guest==1 ✓
b) donation>=4000 or donation<=5000 or guest==1
c) donation>=4000 and (donation<=5000 or guest==1)
d) donation>=4000 and donation<=5000) or guest==1
Q.30 State which of the following statement are true .
1.If,elif ,else are not compound statement.
2.Else if can be used in python.
3.Indentation while working with blocks is not necessary in python.
4.A pass statement is a null operation;it does nothing.
a.1
b.2 ,3
c.3
d.4 ✓
Q.31 In a Python program, a control structure:
a) Defines program-specific data structures
b) Directs the order of execution of the statements in the program ✓
c) Dictates what happens before the program starts and after it terminates
d) None of the above
Q.32 Does python have switch case statement?
a) True
b) False ✓
c) Python has switch statement but we can not use it.
d) None of the above
Q.33 What will be output of this expression:
‘p’ + ‘q’ if ’12’.isdigit() else ‘r’ + ‘s’
a) pq
b. rs ✓
c. pqrs
d. pq12
Q.34 Which statement will check if a is equal to b?
a) if a = b: ✓
b. if a == b:
c. if a === c:
d. if a == b
Q.35 Checking multiple conditions in python requires……….. statement
a) if
b. if……. elif ✓
c. switch
d. None of these
Q.36 if the condition is …………. , the statements of if block will be executed otherwise the statements in the ……….. block will be executed
a) false, true
b. true, else ✓
c. both options are true
d.Can’t say
Q.37 What will be output after execution of the following code?
a=11
B=5
If(a//b==2):
Print (“Yes”)
else :
Print(“No”)
a) 2.5
b)Yes ✓
c)No
d)21
Q.38 What will be output after execution of the following code?
a=11
b=5
if (a%b==0):
print ( “Greater”)
if (a//b==0):
print ( “Example”)
else
print (“Sooo Sorry”)
a) Sooo Sorry
b)Great ✓
c)Example
d)Great Example
Q.39 . What will be the output of the following program if we input 8
Ch= int (“Enter Day of week (1 to 7 “))
If ch==1:
print (“Monday”)
elif ch==2:
print (“Tuesday”)
elif ch==3:
print (“Wednesday”)
elif ch==4:
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print (“Thursday”)
elif ch==5:
print (“Friday”)
elif ch==6:
print (“Saturday”)
else:
print (“Sunday”)
a) Sunday
b)Monday
c)All days will be printed
d)No Output ✓
Q.40 Mala wants to make a fun program , if user enters any number a Good or funny message will appear . She is confused that which is the most suitable control to be used to make such program. Help her to choose correct option.
a) If
b.if else ✓
c.if elif
d.Nested if else