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🐍 M3-R5 Unit 1: Introduction to Python (Questions 1-20)

Section 1: Python Features & History (1-10)

1. Python language kisne develop ki thi?

• (A) Dennis Ritchie (B) Guido van Rossum
• Ans: B. (Note: Python ko 1991 mein release kiya gaya tha.)

2. Python kis tarah ki language hai?

• (A) Low-level language (B) High-level aur Interpreted language
• Ans: B. (Interpretation ka matlab hai ki code line-by-line check hota hai.)

3. Python ka naam “Python” kis par rakha gaya tha?

• (A) Ek saap (snake) ke naam par.
• (B) “Monty Python’s Flying Circus” naam ke ek comedy show par.
• Ans: B.

4. Python “Open Source” hai, iska kya matlab hai?

• (A) Iska source code free mein available hai aur koi bhi ise modify kar sakta hai.
• (B) Isse sirf open files khulti hain.
• Ans: A.

5. Python “Case-Sensitive” language hai?

• (A) Haan (B) Nahi
• Ans: A. (Matlab: Name aur name do alag cheezein hain.)

6. Python mein code block ko define karne ke liye kya use hota hai?

• (A) Curly braces {} (B) Indentation (Spaces/Tabs)
• Ans: B. (C/Java mein {} use hota hai, par Python mein sahi gap/space zaroori hai.)

7. Inme se kaunsa Python ka ek feature nahi hai?

• (A) Easy to read (B) Compilation (JS ki tarah) (C) Portable
• Ans: B. (Python compiled nahi, balki Interpreted language hai.)

8. Python “Platform Independent” hai, iska kya matlab hai?

• (A) Ye sirf Windows par chalti hai.
• (B) Iska code Windows, Linux, aur Mac sab par bina badlav ke chal sakta hai.
• Ans: B.

9. Python mein “Dynamic Typing” ka kya matlab hai?

• (A) Hamein variable ka data type (int, float) pehle se batane ki zaroorat nahi hoti.
• (B) Hamein hamesha type batana padta hai.
• Ans: A. (Example: Direct x = 10 likh sakte hain.)

10. Python ka extension kya hota hai?

• (A) .pyth (B) .py
• Ans: B.

Section 2: Structure & Application Areas (11-20)

11. Python code ko execute karne ke liye kaunsa software use hota hai?

• (A) Python Interpreter (B) Python Compiler
• Ans: A.

12. Python ka upyog (Use) kin areas mein hota hai?

• (A) Data Science aur AI (B) Web Development (Django/Flask) (C) Automation (D) All of the above
• Ans: D.

13. Python mein “Standard Library” ka kya kaam hai?

• (A) Ye functions aur modules ka ek bada set hai jo kaam ko asaan banata hai.
• (B) Ye sirf math solve karti hai.
• Ans: A.

14. Python 2 aur Python 3 mein kya antar hai?

• (A) Dono bilkul ek jaise hain.
• (B) Python 3 modern hai aur Python 2 ke sath backward compatible nahi hai.
• Ans: B. (Ab zyadatar Python 3 hi use hoti hai.)

15. Python mein “Comments” kis symbol se shuru hote hain?

• (A) // (B) #
• Ans: B.

16. “REPL” ka full form kya hai?

• (A) Read-Eval-Print Loop (B) Real-Engine-Python-Link
• Ans: A. (Ye Python ke Interactive mode ko kehte hain.)

17. Python mein “Module” kya hota hai?

• (A) Ek file jisme Python code likha ho (jaise functions/classes).
• (B) Ek tarah ka error.
• Ans: A.

18. Inme se kaunsa ek Python IDE (Integrated Development Environment) hai?

• (A) PyCharm (B) IDLE (C) VS Code (D) All of the above
• Ans: D.

19. Python ko “Glue Language” kyu kaha jata hai?

• (A) Kyunki ye alag-alag languages (C, C++) ko aapas mein jodne ke kaam aati hai.
• (B) Kyunki ye website ko chipkati hai.
• Ans: A.

20. Python mein print("Hello") ka output kya hoga?

• (A) hello (B) Hello
• Ans: B. (Case-sensitivity ka dhyan rakhein).

Quick Feature Table: Why Python?

Section 3: Variables & Data Types (Questions 21-30)

21. Python mein variable declare karne ka sahi tarika kya hai?

• (A) int x = 10 (B) x = 10
• Ans: B. (Note: Python “Dynamically Typed” hai, isliye data type likhne ki zaroorat nahi hoti.)

22. Inme se kaunsa ek valid “Variable Name” (Identifier) nahi hai?

• (A) _my_var (B) 2my_var
• Ans: B. (Rule: Variable name kabhi bhi number se shuru nahi ho sakta.)

23. Python mein “String” ko kis symbol ke andar rakha jata hai?

• (A) Sirf Single Quote (' ') (B) Single, Double ya Triple Quotes
• Ans: B. (Tip: Triple quotes ''' ''' ka use multi-line strings ke liye hota hai.)

24. type(10.5) function ka output kya hoga?

• (A) <class 'int'> (B) <class 'float'>
• Ans: B. (Decimal wali values ‘float’ hoti hain.)

25. Python mein “Boolean” data type ki do possible values kya hain?

• (A) Yes, No (B) True, False
• Ans: B. (Note: T aur F hamesha capital hote hain: True, False.)

26. Inme se kaunsa data type “Immutable” (badla nahi ja sakta) hai?

• (A) List (B) Tuple
• Ans: B. (Tuple ko ek baar banane ke baad change nahi kar sakte.)

27. x, y, z = 1, 2, 3 likhne par y ki value kya hogi?

• (A) 1 (B) 2
• Ans: B. (Ise “Multiple Assignment” kehte hain.)

28. Complex number 3 + 4j mein j kya represent karta hai?

• (A) Imaginary part (B) Joint part
• Ans: A.

29. Kisi string “Hello” ki length nikalne ke liye kaunsa function use hota hai?

• (A) length() (B) len()
• Ans: B.

30. Python mein “None” kya represent karta hai?

• (A) 0 (Zero) (B) Null value ya absence of value.
• Ans: B.

Section 4: Python Operators (Questions 31-40)

31. Floor Division operator (//) ka output kya hoga: 10 // 3?

• (A) 3.333 (B) 3
• Ans: B. (Ye decimal ke baad ki values ko hata deta hai.)

32. Modulo operator (%) kya return karta hai?

• (A) Bhagphal (Quotient) (B) Sheshphal (Remainder)
• Ans: B. (Example: 10 % 3 ka result 1 hoga.)

33. Exponentiation (Power) ke liye kaunsa operator use hota hai?

• (A) ^ (B) **
• Ans: B. (Example: 2 ** 3 ka matlab $2^3 = 8$ hai.)

34. x = 5, x += 3 karne par x ki nayi value kya hogi?

• (A) 8 (B) 53
• Ans: A. (Ye assignment operator x = x + 3 ka short form hai.)

35. “Logical AND” operator Python mein kaise likha jata hai?

• (A) && (B) and
• Ans: B. (Python mein words use hote hain: and, or, not.)

36. “Membership Operator” kaunse hain jo check karte hain ki koi value list mein hai ya nahi?

• (A) in, not in (B) is, is not
• Ans: A.

37. “Identity Operator” (is) ka kya kaam hai?

• (A) Value compare karna. (B) Ye check karna ki do variables ek hi memory location ko point kar rahe hain ya nahi.
• Ans: B.

38. Operator precedence mein sabse pehle kya solve hota hai?

• (A) Multiplication * (B) Parentheses ()
• Ans: B. (PEMDAS/BODMAS rule follow hota hai.)

39. print("Go" * 3) ka output kya hoga?

• (A) Error (B) GoGoGo
• Ans: B. (Isse “String Repetition” kehte hain.)

40. print(10 > 5 and 5 < 2) ka output kya hoga?

• (A) True (B) False
• Ans: B. (Kyunki and mein dono conditions sahi honi chahiye, par 5 < 2 galat hai.)

Quick Operator Summary Table

Ab shuru karte hain M3-R5 Unit 4: Data Types (List, Tuple, Dictionary) ke sabse mahatvapurn Questions 41 se 60. Yeh section Python programming ki jaan hai, kyunki data ko manage isi se kiya jata hai.

Section 5: Lists – Mutable Sequences (41-48)

41. Python mein “List” declare karne ke liye kis bracket ka use hota hai?

• (A) ( ) Parentheses
• (B) [ ] Square Brackets
• Ans: B. (Example: my_list = [1, 2, 3])

42. List mein naya item aakhri mein (at the end) jodne ke liye kaunsa method use hota hai?

• (A) add() (B) append()
• Ans: B. (Example: list.append(4))

43. List “Mutable” hoti hai, iska kya matlab hai?

• (A) Iske items ko badla (modify) ja sakta hai.
• (B) Isse delete nahi kiya ja sakta.
• Ans: A.

44. list[0] ka kya matlab hai?

• (A) List ka pehla element. (B) List ka aakhri element.
• Ans: A. (Note: Python mein indexing 0 se shuru hoti hai.)

45. List mein se kisi specific position par item insert karne ke liye method hai:

• (A) insert(index, element) (B) push()
• Ans: A.

46. list[-1] ka kya matlab hai?

• (A) List ka pehla element. (B) List ka aakhri element (Negative Indexing).
• Ans: B.

47. Do lists ko aapas mein jodne (concatenate) ke liye kaunsa operator use hota hai?

• (A) + (B) *
• Ans: A.

48. List mein se kisi item ko uski “Value” se remove karne ke liye method hai:

• (A) pop() (B) remove()
• Ans: B. (Tip: pop() index se remove karta hai, remove() value se.)

Section 6: Tuples & Sets (Questions 49-54)

49. “Tuple” banane ke liye kaunsa bracket use hota hai?

• (A) [ ] (B) ( )
• Ans: B. (Example: my_tuple = (1, 2, 3))

50. Tuple aur List mein sabse bada antar kya hai?

• (A) List fast hoti hai.
• (B) List mutable hai, par Tuple “Immutable” hai (ise badla nahi ja sakta).
• Ans: B.

51. Agar aap tup = (5) likhte hain, toh ye kya banega?

• (A) Tuple (B) Integer
• Ans: B. (Note: Single element tuple ke liye comma zaroori hai: tup = (5,))

52. “Set” ki sabse badi khasiyat kya hai?

• (A) Ye hamesha ordered hota hai.
• (B) Isme duplicate values nahi ho sakti aur ye unordered hota hai.
• Ans: B.

53. Set declare karne ke liye kaunsa bracket use hota hai?

• (A) { } (B) [ ]
• Ans: A.

54. Kya Set ke items ko index (e.g. s[0]) se access kiya ja sakta hai?

• (A) Haan (B) Nahi
• Ans: B. (Kyunki Set unordered hota hai.)

Section 7: Dictionaries – Key-Value Pairs (55-60)

55. Dictionary mein data kis form mein store hota hai?

• (A) Index-Value (B) Key-Value pairs
• Ans: B. (Example: {"name": "Amit", "age": 20})

56. Dictionary se kisi “Value” ko nikalne ke liye kya use karte hain?

• (A) Uski Key. (B) Uska Index number.
• Ans: A. (Example: my_dict["name"])

57. Dictionary ki saari “Keys” nikalne ke liye kaunsa method hai?

• (A) keys() (B) all_keys()
• Ans: A.

58. Kya Dictionary mein “Keys” duplicate ho sakti hain?

• (A) Haan (B) Nahi (Keys hamesha unique honi chahiye.)
• Ans: B.

59. Dictionary mein naya item jodne ka sahi tarika:

• (A) dict["new_key"] = "value" (B) dict.add("value")
• Ans: A.

60. dict.clear() method kya karta hai?

• (A) Dictionary ko delete kar deta hai. (B) Dictionary ke saare elements ko remove kar deta hai (khali kar deta hai).
• Ans: B.

Quick Compare: List vs Tuple vs Dictionary

*Note: Python 3.7+ mein Dictionaries insertion order yaad rakhti hain.

Section 8: Conditional Statements – if, elif, else (61-70)

61. Python mein if statement ke baad kaunsa symbol lagana compulsory hai?

• (A) ; (Semicolon) (B) : (Colon)
• Ans: B. (Example: if x > 5:)

62. “elif” ka full form kya hai?

• (A) else if (B) empty if
• Ans: A. (Jab pehli if galat ho aur dusri condition check karni ho.)

63. Python mein indentation (space) ka kya mahatva hai conditional statements mein?

• (A) Isse code sundar dikhta hai.
• (B) Yeh batata hai ki kaunsa code block kis statement ke andar aata hai.
• Ans: B. (Sahi indentation na hone par IndentationError aata hai.)

64. if (5 > 2): print("A") else: print("B") mein kya galti hai?

• (A) Parentheses ki (B) else nayi line mein hona chahiye aur colon : ki kami hai.
• Ans: B.

65. “Short-hand if” (Ternary operator) ka sahi format kya hai?

• (A) print("Yes") if x > 5 else print("No")
• (B) if x > 5 ? "Yes" : "No"
• Ans: A.

66. Nested if-else ka kya matlab hai?

• (A) Ek if statement ke andar dusri if statement hona.
• (B) if ke baad turant else hona.
• Ans: A.

67. Agar if condition True hai, par aap koi code execute nahi karna chahte, toh kya likhenge?

• (A) stop (B) pass
• Ans: B. (pass ek null statement hai jo error se bachata hai.)

68. if 0: statement ka result kya hoga?

• (A) True (B) False
• Ans: B. (Python mein 0, None, aur khali sequences ko False maana jata hai.)

69. Logical operator or kab True return karta hai?

• (A) Jab dono conditions True hon.
• (B) Jab dono mein se koi bhi ek condition True ho.
• Ans: B.

70. x = 10; y = 20; print("X") if x > y else print("Y") ka output kya hoga?

• (A) X (B) Y
• Ans: B.

Section 9: Loops – for & while (Questions 71-80)

71. range(5) function loop mein kaunsi values generate karega?

• (A) 1, 2, 3, 4, 5 (B) 0, 1, 2, 3, 4
• Ans: B. (Stop value include nahi hoti.)

72. “while” loop kab tak chalta hai?

• (A) Jab tak condition True rehti hai. (B) Sirf ek baar.
• Ans: A.

73. Loop ko turant khatam (terminate) karne ke liye kaunsa keyword use hota hai?

• (A) continue (B) break
• Ans: B.

74. Loop ki current iteration ko chhod kar agli (next) iteration par jaane ke liye:

• (A) skip (B) continue
• Ans: B.

75. “Infinite Loop” kab banta hai?

• (A) Jab condition hamesha True rehti hai. (B) Jab condition hamesha False rehti hai.
• Ans: A. (Example: while True:)

76. for i in "Python": loop kitni baar chalega?

• (A) 1 baar (B) 6 baar
• Ans: B. (String ke har character ke liye ek baar.)

77. Python mein for loop ke saath else ka use kab hota hai?

• (A) Jab loop break se terminate ho.
• (B) Jab loop poori tarah bina break ke finish ho jaye.
• Ans: B.

78. range(2, 10, 2) mein teesra parameter 2 kya represent karta hai?

• (A) Start (B) Step/Increment
• Ans: B. (Output: 2, 4, 6, 8)

79. while loop ke andar variable ko update (increment/decrement) karna kyu zaroori hai?

• (A) Taki loop infinite na ho jaye. (B) Taki memory bache.
• Ans: A.

80. List ke saare elements ko print karne ke liye sabse behtar loop kaunsa hai?

• (A) for loop (B) while loop
• Ans: A. (Example: for item in my_list:)

Quick Loop Comparison Table

Section 10: Functions – Definition & Arguments (81-90)

81. Python mein function declare karne ke liye kaunsa keyword use hota hai?

• (A) func (B) def
• Ans: B. (Example: def my_function():)

82. Function ke andar jo values pass ki jati hain, unhe kya kehte hain?

• (A) Variables (B) Arguments ya Parameters
• Ans: B.

83. Function se koi value wapas (result) lene ke liye kaunsa keyword use hota hai?

• (A) give (B) return
• Ans: B. (Note: return ke baad function ka execution ruk jata hai.)

84. “Recursive Function” kise kehte hain?

• (A) Jo doosre function ko call kare. (B) Jo function apne aap ko hi call kare (Self-calling).
• Ans: B. (Example: Factorial nikalne ke liye.)

85. “Lambda Function” ki kya khasiyat hai?

• (A) Yeh bahut bada function hota hai. (B) Yeh ek anonymous (bina naam wala) single-line function hota hai.
• Ans: B. (Syntax: lambda arguments: expression)

86. Function call karte waqt agar argument ka naam specify kiya jaye, toh use kya kehte hain?

• (A) Keyword Arguments (B) Default Arguments
• Ans: A. (Example: my_func(name="Amit"))

87. “Default Argument” kya karta hai?

• (A) Agar value na di jaye, toh yeh pehle se tay ki gayi value use karta hai.
• (B) Yeh error deta hai.
• Ans: A. (Example: def greet(msg="Hello"):)

88. Python mein variable number of arguments pass karne ke liye kya use karte hain?

• (A) *args (B) &args
• Ans: A. (Note: Key-value arguments ke liye **kwargs use hota hai.)

89. “Docstring” kya hoti hai?

• (A) Ek error. (B) Function ke pehle line mein likha gaya description (triple quotes mein).
• Ans: B.

90. Kya Python function multiple values return kar sakta hai?

• (A) Haan, comma se alag karke (Tuple ke roop mein). (B) Nahi.
• Ans: A.

Section 11: Scope & Modules (Questions 91-100)

91. “Local Variable” ka scope kahan tak hota hai?

• (A) Poore program mein. (B) Sirf us function ke andar jahan wo define kiya gaya hai.
• Ans: B.

92. “Global Variable” ko function ke andar modify karne ke liye kaunsa keyword zaroori hai?

• (A) global (B) extern
• Ans: A.

93. Kisi module (e.g., math) ko program mein lane ke liye kya likhte hain?

• (A) include math (B) import math
• Ans: B.

94. math.sqrt(16) ka result kya hoga?

• (A) 4 (B) 4.0
• Ans: B. (Math functions aksar float return karte hain.)

95. Module ke kisi specific function ko bina module_name. lagaye use karne ke liye:

• (A) from math import sqrt (B) get sqrt from math
• Ans: A.

96. random.randint(1, 5) kaunsi values generate kar sakta hai?

• (A) 1, 2, 3, 4 (B) 1, 2, 3, 4, 5
• Ans: B. (Note: randint mein dono numbers include hote hain.)

97. Python mein “Built-in Functions” kise kehte hain?

• (A) Jo hum khud banate hain. (B) Jo Python mein pehle se maujood hain (jaise print(), len(), sum()).
• Ans: B.

98. __init__.py file ka kya kaam hai?

• (A) Yeh ek directory ko “Python Package” mein badalti hai.
• (B) Yeh program shuru karti hai.
• Ans: A.

99. math.ceil(4.2) ka result kya hoga?

• (A) 4 (B) 5
• Ans: B. (ceil hamesha upar wala integer deta hai.)

100. pip kya hai?

• (A) Ek programming language. (B) Python ka package manager (external libraries install karne ke liye).
• Ans: B.

Quick Function & Scope Table

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🐍 M3-R5: Advanced Python (Units 7, 8 & 9)

Section 12: File Processing (Unit 7)

101. Python mein file open karne ke liye sahi function kaunsa hai?

• (A) open_file() (B) open()
• Ans: B. (Syntax: f = open("filename", "mode"))

102. File ko sirf “Read” karne ke liye kaunsa mode use hota hai?

• (A) w (B) r
• Ans: B. (Note: w mode file ko overwrite kar deta hai, jabki a (append) content ko aakhri mein jodta hai.)

103. File processing ke baad f.close() karna kyu zaroori hai?

• (A) Taki resources free ho sakein aur data save ho jaye.
• (B) Taki file delete ho jaye.
• Ans: A.

104. Kaunsa statement file ko automatically close kar deta hai, chahe error hi kyu na aaye?

• (A) try...except (B) with statement
• Ans: B. (Example: with open("test.txt", "r") as f:)

105. File ki poori lines ko ek “List” ke roop mein read karne ke liye method hai:

• (A) read() (B) readlines()
• Ans: B.

Section 13: Modules & Scope Revisited (Unit 8)

106. import math aur from math import * mein kya antar hai?

• (A) Pehle wale mein math.sqrt() likhna padega, dusre mein sirf sqrt() use kar sakte hain.
• (B) Dono bilkul same hain.
• Ans: A. (Tip: * ka matlab “import all” hota hai.)

107. Python mein “Built-in Modules” ki list dekhne ke liye kya likhte hain?

• (A) help("modules") (B) show modules
• Ans: A.

108. __name__ == "__main__" ka upyog kyu hota hai?

• (A) Program ko fast karne ke liye.
• (B) Yeh check karne ke liye ki script direct run ho rahi hai ya dusre module mein import hui hai.
• Ans: B.

Section 14: NumPy Basics (Unit 9)

109. NumPy ka full form kya hai?

• (A) Number Python (B) Numerical Python
• Ans: B. (Yeh arrays aur complex math ke liye use hota hai.)

110. NumPy array banane ke liye sahi command kya hai?

• (A) np.array([1, 2, 3]) (B) np.list([1, 2, 3])
• Ans: A.

111. Python List aur NumPy Array mein mukhya antar kya hai?

• (A) List fast hoti hai.
• (B) NumPy Array kam memory leta hai aur mathematical operations ke liye bahut fast hota hai.
• Ans: B.

112. Array ki dimension (1D, 2D) check karne ke liye kaunsi property use hoti hai?

• (A) size (B) ndim
• Ans: B.

113. 2D array ke “Shape” (rows, columns) ko pata karne ke liye:

• (A) shape (B) reshape
• Ans: A.

114. NumPy mein saare elements ko Zero banane ke liye function hai:

• (A) np.zeros() (B) np.empty()
• Ans: A.

115. Array ka structure badalne (jaise 1D se 2D) ke liye kya use karte hain?

• (A) reshape() (B) change()
• Ans: A.

Section 15: Mixed Core Concepts (Review)

116. “Recursive Function” mein “Base Case” na hone par kya hoga?

• (A) Program ruk jayega. (B) Infinite recursion hoga aur RecursionError aayega.
• Ans: B.

117. Python mein “Dictionary” ke items ko iterate karne ke liye method hai:

• (A) .items() (B) .all()
• Ans: A. (Example: for k, v in my_dict.items():)

118. String “Python” ka s[::-1] karne par output kya hoga?

• (A) Python (B) nohtyP
• Ans: B. (Yeh string ko reverse karne ki short technique hai.)

119. L = [1, 2, 3], L.pop() karne par list kya bachegi?

• (A) [1, 2] (B) [2, 3]
• Ans: A. (pop() hamesha last element nikalta hai agar index na diya ho.)

120. 2 * 3 ** 2 ka result kya hoga?

• (A) 36 (B) 18
• Ans: B. (Power ** ki precedence multiply * se zyada hoti hai. So, $2 * (3^2) = 2 * 9 = 18$).

Quick Revision: File Modes Table

Bilkul! Python ke syllabus ko dhyan mein rakhte hue, hum 30 aur mahatvapurn (Questions 121-150) questions create karte hain jo NumPy, File Handling, aur Logic Building par zyada focus karenge.

Section 16: Deep Dive into NumPy (Questions 121-130)

121. NumPy array mein size attribute kya batata hai?

• (A) Array ki memory (B) Array mein kul kitne elements hain.
• Ans: B.

122. Do NumPy arrays ko vertically (ek ke niche ek) jodne ke liye kaunsa function hai?

• (A) hstack() (B) vstack()
• Ans: B. (V = Vertical).

123. np.arange(1, 10, 2) ka output kya hoga?

• (A) [1, 3, 5, 7, 9] (B) [1, 2, 3...10]
• Ans: A. (Range ki tarah kaam karta hai par array return karta hai.)

124. NumPy array ke har element ka square root nikalne ke liye:

• (A) np.sqrt(arr) (B) arr.sqrt()
• Ans: A.

125. NumPy mein “Broadcasting” ka kya matlab hai?

• (A) Array ko internet par bhejna.
• (B) Alag-alag shapes wale arrays par mathematical operations perform karna.
• Ans: B.

126. np.linspace(0, 10, 5) ka kya kaam hai?

• (A) 0 se 10 ke beech 5 barabar doori (equally spaced) wale numbers dena.
• (B) 0 se 5 tak numbers dena.
• Ans: A.

127. Array mein se sabse badi value (maximum) nikalne ke liye:

• (A) arr.max() (B) max(arr)
• Ans: A.

128. NumPy mein 1D array ko “Vector” aur 2D array ko kya kehte hain?

• (A) Scalar (B) Matrix
• Ans: B.

129. arr.dtype kya return karta hai?

• (A) Array ka data type (jaise int32, float64). (B) Array ka size.
• Ans: A.

130. NumPy array ko “Slicing” karne ka sahi tarika (2nd row, 3rd column):

• (A) arr[1, 2] (B) arr[2, 3]
• Ans: A. (Kyuki indexing 0 se shuru hoti hai).

Section 17: File Processing & Exception Handling (131-140)

131. f.seek(0) ka file handling mein kya matlab hai?

• (A) File ko delete karna. (B) Cursor ko file ki shuruaat (beginning) par le jana.
• Ans: B.

132. Binary files (images/videos) ko read karne ke liye kaunsa mode use hota hai?

• (A) r (B) rb
• Ans: B. (B = Binary).

133. Runtime errors (jaise Division by Zero) ko handle karne ke liye kya use hota hai?

• (A) if...else (B) try...except block
• Ans: B.

134. Agar file exist nahi karti aur hum use ‘r’ mode mein kholte hain, toh kya hoga?

• (A) Nayi file ban jayegi. (B) FileNotFoundError aayega.
• Ans: B.

135. f.tell() function kya batata hai?

• (A) File ka naam. (B) File cursor ki current position.
• Ans: B.

136. Kaunsa block hamesha chalta hai, chahe exception aaye ya na aaye?

• (A) finally (B) else
• Ans: A. (Ise cleanup code ke liye use karte hain).

137. f.write() function kya return karta hai?

• (A) Likhe gaye characters ki sankhya (count). (B) Kuch nahi.
• Ans: A.

138. CSV files ko handle karne ke liye kaunsa standard module import karna padta hai?

• (A) pandas (B) csv
• Ans: B. (O Level syllabus ke hisab se csv basic hai).

139. Ek line read karne ke liye file object ka method hai:

• (A) read(line) (B) readline()
• Ans: B.

140. “ZeroDivisionError” kis category mein aata hai?

• (A) Logical Error (B) Exception (Runtime Error)
• Ans: B.

Section 18: Advanced Logic & Patterns (141-150)

141. [x**2 for x in range(5)] ka output kya hoga?

• (A) [0, 1, 4, 9, 16] (B) [1, 4, 9, 16, 25]
• Ans: A. (Ise “List Comprehension” kehte hain).

142. map(lambda x: x*2, [1, 2, 3]) ka result (list mein) kya hoga?

• (A) [2, 4, 6] (B) [1, 4, 9]
• Ans: A.

143. Python mein “Generator” banane ke liye kis keyword ka use hota hai?

• (A) return (B) yield
• Ans: B.

144. all([True, True, False]) kya return karega?

• (A) True (B) False
• Ans: B. (Sabhi True hone par hi True milta hai).

145. any([True, False, False]) kya return karega?

• (A) True (B) False
• Ans: A. (Kam se kam ek True hona chahiye).

146. set([1, 2, 2, 3]) ka result kya hoga?

• (A) {1, 2, 3} (B) {1, 2, 2, 3}
• Ans: A. (Sets duplicates remove kar dete hain).

147. sorted("python") ka output kya hoga?

• (A) ['h', 'n', 'o', 'p', 't', 'y'] (B) "hnopty"
• Ans: A. (Alphabetical order mein list milti hai).

148. Do dictionaries ko merge karne ka naya tarika (Python 3.9+):

• (A) dict1 | dict2 (B) dict1 + dict2
• Ans: A.

149. isinstance(5, int) kya return karega?

• (A) True (B) 5
• Ans: A.

150. Python mein “Deep Copy” aur “Shallow Copy” ke liye kaunsa module hai?

• (A) clone (B) copy
• Ans: B.

Quick NumPy vs List Recap