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Python

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1 / 60

Complete the series.

2, 6, 12, 20, 30, 42, 56, ____

A. 64

B. 72

C. 70

D. 60

2 / 60

What is a segmentation fault in C, and how do you handle it?

A. It occurs due to division by zero

B. It cannot be handled in C

C. It occurs when a program accesses memory it shouldn't

D. It happens only when the stack overflows

3 / 60

How does Java achieve memory management through garbage collection?

A. Java automatically reclaims memory through garbage collection

B. Java uses malloc() and free()

C. Java uses memory pools

D. Java requires manual memory management

4 / 60

Find the wrong number in the given series.

2, 6, 18, 54, 161, 486

A. 18

B. 161

C. 486

D. 2

5 / 60

Explain the difference between lists and tuples in Python.

A. Lists are mutable, tuples are immutable

B. Both are immutable

C. Lists are immutable, tuples are mutable

D. Both are mutable

6 / 60

Explain the difference between abstract classes and interfaces in Java.

A. Abstract classes can have implemented methods, interfaces only have abstract methods (until Java 8)

B. Interfaces allow multiple inheritance, abstract classes do not

C. Abstract classes implement interfaces

D. Abstract classes cannot have constructors

7 / 60

What is the difference between malloc() and calloc() in C?

A. malloc() allocates uninitialized memory, calloc() allocates initialized memory

B. calloc() does not allocate memory dynamically

C. malloc() allocates more memory than calloc()

D. calloc() is used only for arrays

8 / 60

What is recursion in C, and how is it implemented?

A. A function calling other functions in a loop

B. Using pointers to call a function

C. Looping over a set of instructions

D. A function calling itself to solve subproblems

9 / 60

What is the purpose of the transient keyword in Java?

A. To prevent a field from being serialized

B. To denote synchronized variables

C. To declare a constant

D. To create temporary variables

10 / 60

Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation?

256*4*9*3*14=51

A. X, /, +, -

B. /, x, -, +

C. x, +, -, /

D. /, -, x, +

11 / 60

What are the differences between HashMap and Hashtable in Java?

A. HashMap is not synchronized, Hashtable is synchronized

B. Hashtable allows null keys

C. HashMap uses different hashing algorithms

D. HashMap is slower

12 / 60

Why does the pole star appear to be fixed in one place while all other stars seem to be move from east to west?

A. Because pole star is a planet

B. Pole star is near to moon and sun

C. Pole star is near to the moon

D. Because pole star is situated in the direction of the axis of earth on which the earth rotates

13 / 60

Rupees 5700 is divided among A, B, C in such a way that amount received by A to that of B is in the ratio 2:3, amount of B and C is in the ratio 2:3. Find share of A, B, C respectively.

A. 1500,1800,2500

B. 1200,1800,2700

C. 1000,2000,2000

D. 1200,1500,2700

14 / 60

What is the speed of light in the air?

A. 3*10^6m/s

B. 3*10^8m/s

C. 3*10^4m/s

D. 3*10^5m/s

15 / 60

Complete the series ------

9, 12, 10, 13, 11, ____

A. 16

B. 15

C. 12

D. 14

16 / 60

Nuclear explosive devices were tested in India at –

A. Sriharikota

B. Bengaluru

C. Kanchipuram

D. Pokhran

17 / 60

What is the difference between deepcopy and shallowcopy in Python?

A. Deepcopy does not copy nested objects

B. Shallowcopy copies objects recursively

C. Both copy references only

D. Deepcopy copies objects recursively

18 / 60

Who succeeded Rajendra Prasad as the president of India?

A. S. Radhakrishnan

B. V. V. Giri

C. N. Sanjiva Reddy

D. Giani Zail Singh

19 / 60

In 1930, a person’s age was 8 times that of his son. In 1938, the father’s age became ten times that of his son’s age in 1930. The ages of the son and father in 1940 were________

A. c) 14 yrs, 42 yrs

B. d) 13 yrs, 34 yrs

C. a) 16 yrs, 58 yrs

D. b) 15 yrs, 50 yrs

20 / 60

The deficiency of______ causes scurvy.

A. c) Vitamin C

B. d) Vitamin D

C. b) Vitamin A

D. a) Vitamin K

21 / 60

What is the purpose of let, const, and var in JavaScript?

A. They are used only for defining strings

B. let is block-scoped, const defines constants, var is function-scoped

C. const is block-scoped, var is block-scoped

D. let is global-scoped, const is block-scoped

22 / 60

The state of water at 250 degrees Celsius is ______

A. Gas

B. Plasma

C. Solid

D. Liquid

23 / 60

How does Java achieve platform independence?

A. Java uses operating system commands

B. Java does not require any machine code

C. Java code is compiled into bytecode, which runs on any platform via the JVM

D. Java uses platform-specific interpreters

24 / 60

If x58y divisible by 9, then find x+y value.

A. 5

B. 10

C. 7

D. 4

25 / 60

If 'MISTAKE' is coded as 9765412 and 'NAKED' is coded as 84123, how is 'ASSIST' coded?

A. 435985

B. 488976

C. 166762

D. 466765

26 / 60

Two numbers are in the ratio 2:5 and their HCF is 18. Their LCM is _____

A. 170

B. 160

C. 180

D. 250

27 / 60

Which of the following organisations launched a special programme called 'Young Scientist Programme?'

A. NASA

B. BARC

C. ISRO

D. DRDO

28 / 60

An 8- digit number 4252746B leaves reminder zero when divided by 3. How many values of B are possible?

A. 6

B. 4

C. 2

D. 3

29 / 60

How many 3- digit number satisfy this property? “The last digit (unit’s place) of the square of 3- digit number is 6”?

A. 100

B. 120

C. 150

D. 180

30 / 60

What are the principles of Object-Oriented Programming (OOP), and how does Java implement them?

A. Exceptions, inheritance, packages, classes

B. Arrays, interfaces, packages, methods

C. Inheritance, abstraction, arrays, exceptions

D. Inheritance, encapsulation, polymorphism, abstraction

31 / 60

How do you declare a pointer to a function in C?

A. int func_ptr;

B. int (*func_ptr)();

C. int *func_ptr();

D. int func_ptr[];

32 / 60

What are semantic HTML elements, and why are they important?

A. Non-visual elements used for performance

B. Elements used only for accessibility

C. Visual elements like <div> and <span>

D. Elements like <article>, <section> that convey meaning and structure

33 / 60

How does the form element work, and what are the main attributes for forms in HTML?

A. It defines a form for data input, with attributes like action, method, and enctype

B. It only works with JavaScript

C. It is used for layout purposes

D. It defines input fields only

34 / 60

Explain the use of lambda functions in Python.

A. Functions that can only be used in classes

B. Anonymous single-line functions

C. Functions used for recursion

D. Functions that return multiple values

35 / 60

How many prime numbers are there between 1 to 100?

A. 32

B. 36

C. 49

D. 25

36 / 60

Evaluate: 3.6 X 0.48 X 2.50 / 0.12 X 0.09 X 0.5

A. 80

B. 8

C. 8000

D. 800

37 / 60

How does exception handling work in Java, and what is the difference between checked and unchecked exceptions?

A. Checked exceptions are checked at compile-time, unchecked exceptions occur at runtime

B. Unchecked exceptions must be handled

C. Java does not differentiate exceptions

D. Both types must be handled

38 / 60

How do you manage exceptions in Python, and what is the difference between try, except, else, and finally?

A. else handles all exceptions

B. try is used to raise exceptions

C. finally always executes regardless of exceptions

D. except runs before try

39 / 60

How does the meta tag work in HTML, and why is it important for SEO and web performance

A. It defines the document's title

B. It provides metadata like character set, description, and keywords

C. It handles scripting functions

D. It links external stylesheets

40 / 60

A substance X turns the colour of red litmus blue, and it will change methyl orange into ?

A. Pink

B. Colourless

C. Red

D. Yellow

41 / 60

How would you use decorators in Python, and what are their benefits?

A. They enable recursion

B. They modify the behavior of functions or methods

C. They allow class inheritance

D. They are used to define variables

42 / 60

Explain the difference between block-level and inline elements in HTML

A. Both have the same behavior

B. Inline elements are for scripts only

C. Inline elements take full width, block-level elements take inline width

D. Block-level elements take full width, inline elements take the width of content

43 / 60

What is the alt attribute in the img tag, and why is it important?

A. It provides alternative text for accessibility and SEO

B. It displays the image title

C. It is required to link an image

D. It provides a tooltip

44 / 60

What are Python’s key features, and why is it called an interpreted language?

A. It has limited libraries

B. It requires compilation

C. It uses static typing

D. It executes code line-by-line

45 / 60

Which of the following colour of white light has the maximum wavelength?

A. Violet

B. Orange

C. Green

D. Red

46 / 60

In a certain code language, ‘ASK’ is written as ‘62’, and ‘BYE’ is written as ‘64’. How will ‘CRY’ be written in that language?

A. 68

B. 72

C. 86

D. 92

47 / 60

'Khandvi' is a delicacy of which state of India?

A. Karnataka

B. Maharashtra

C. Odisha

D. Gujarat

48 / 60

Volume of sphere of radius 4.2 cm^3 is ------ (use pi value as 22/7)

A. 297.824 cm^3

B. 312.725 cm^3

C. 278.234 cm^3

D. 310.464 cm^3

49 / 60

India ranked ___________ in the Start-up Ecosystem Ranking for 2019.

A. 25

B. 17

C. 23

D. 43

50 / 60

What are the key differences between C and other programming languages like C++ or Java?

A. C is interpreted

B. C requires a virtual machine

C. C supports OOP, Java does not

D. C does not support object-oriented programming

51 / 60

How do you create a responsive layout using HTML?

A. Use viewport meta tag and CSS media queries

B. Use inline styles for width and height

C. Use <table> elements

D. Use <frameset> to manage layout

52 / 60

How does multithreading work in Java, and what is the difference between Thread and Runnable?

A. Thread is an interface

B. Thread is a class, Runnable is an interface

C. Runnable can be directly started

D. Both Thread and Runnable are interfaces

53 / 60

What is a pointer in C, and how is it used?

A. A pointer is used only for arrays

B. A pointer stores the memory address of another variable

C. A pointer is a constant variable

D. A pointer stores data directly

54 / 60

Which antibiotic was discovered by Alexander Fleming in 1928?

A. Penicillin

B. Erithromycin

C. Azithromycin

D. Streptomycin

55 / 60

(3/4) of 20+16/2- {(1/3) of 12+(2/5) of 25} =_______

A. 0

B. 6

C. 9

D. 3

56 / 60

The IUPAC name of the compound CH3 CH2 CH3 is -----

A. Pentane

B. Methane

C. Propane

D. Butane

57 / 60

What are the new input types introduced in HTML5?

A. textarea, submit, reset

B. email, submit, password

C. email, date, color, range

D. file, button, hidden

58 / 60

How does Python handle memory management?

A. Automatic garbage collection

B. Manual garbage collection

C. No garbage collection

D. Reference counting only

59 / 60

How does Python manage the Global Interpreter Lock (GIL)?

A. It is used in all languages

B. It allows true multithreading

C. It enhances concurrency

D. It prevents true multithreading by locking threads

60 / 60

What is the least value of ‘x’ so that 8x5215 becomes divisible by 9?

A. 5

B. 3

C. 6

D. 4

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