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170 Mizoram MCQ Questions in english हिन्दी
What is the correct way to define a dictionary?
Dictionaries are defined using curly braces with key-value pairs.
How do you start a for loop in Python?
for i in range(5): is the correct syntax.
What is the output of bool([])?
Empty lists are falsey.
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What does list("abc") return?
Converts a string into a list of characters.
Which of the following is used to define a class in Python?
Use the class keyword to define a class
What is the result of 3 == 3.0 in Python?
Python considers 3 and 3.0 equal in value.
What is the correct way to open a file for writing?
"w" mode opens the file for writing (overwrites if exists)
Which of these is not a keyword in Python?
eval is a built-in function, not a keyword.
What is the output of: print("5" + "5")?
String concatenation results in "55".
What does range(3) produce?
range(3) gives numbers from 0 to 2.
What keyword is used to handle exceptions in Python?
except is used with try to handle exceptions.
What is the output of bool(0)?
bool(0) is False, because 0 is considered falsey
ow do you insert comments in Python?
Python uses # for comments.
What does len("Hello") return?
"Hello" has 5 characters.
Which of the following is a mutable data type?
Lists are mutable; others are immutable
What data type is the object below? x = {"name": "Alice", "age": 25}
Curly braces with key-value pairs define a dictionary.
What will be the output of print(2 ** 3)?
** is the exponentiation operator (2³ = 8).
Which keyword is used to define a function in Python?
Python uses the def keyword to define functions
What is the correct file extension for Python files?
Python source files end with .py
What is the output of: print(type([]))?
[] denotes a list in Python
Restriction enzymes are used to:
Restriction enzymes — create DNA fragments.
Restriction enzymes are used to:
Restriction enzymes — create DNA fragments.
A Western blot detects:
Proteins — using antibodies after electrophoresis.
CRISPR/Cas9 is used for:
Gene editing — targeted DNA modifications.
Gel electrophoresis separates biomolecules by:
Size and charge — fragments move through agarose.
PCR (polymerase chain reaction) amplifies:
DNA — through thermal cycling and DNA polymerase.
An ELISA test detects:
Antibodies/antigens — used for diagnosis (e.g., HIV).
HIV primarily targets:
CD4⁺ T cells — leading to immune deficiency.
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