Plus Two / 12th Computer Science - Book Back Answers - Chapter 9 - English Medium
Tamil Nadu Board 12th Standard Computer Science - Chapter 9: Book Back Answers and Solutions
This post covers the book back answers and solutions for Chapter 9 from the Tamil Nadu State Board 12th Standard Computer Science textbook. These detailed answers have been carefully prepared by our expert teachers at KalviTips.com.
We have explained each answer in a simple, easy-to-understand format, highlighting important points step by step under the relevant subtopics. Students are advised to read and memorize these subtopics thoroughly. Once you understand the main concepts, you’ll be able to connect other related points with real-life examples and confidently present them in your tests and exams.
By going through this material, you’ll gain a strong understanding of Chapter 9 along with the corresponding book back questions and answers (PDF format).
Question Types Covered:
- 1 Mark Questions: Choose the correct answer, Fill in the blanks, Identify the correct statement, Match the following
- 2 Mark Questions: Answer briefly
- 3, 4, and 5 Mark Questions: Answer in detail
All answers are presented in a clear and student-friendly manner, focusing on key points to help you score full marks.
All the best, Class 12 students! Prepare well and aim for top scores. Thank you!
Chapter 9: Lists, Tuples, Sets and Dictionary
I. Choose the correct answer.
1. Pick odd one in connection with collection data type
(a) List
(b) Tuple
(c) Dictionary
(d) Loop
Answer Key:
(d) Loop
2. Let list1=[2,4,6,8,10], then print(List1[-2]) will result in
(a) 10
(b) 8
(c) 4
(d) 6
Answer Key:
(b) 8
3. Which of the following function is used to count the number of elements in a list?
(a) count()
(b) find()
(c) len()
(d) index()
Answer Key:
(c) len()
4. If List=[10,20,30,40,50] then List[2]=35 will result
(a) [35,10,20,30,40,50]
(b) [10,20,30,40,50,35]
(c) len()
(d) [10,35,30,40,50]
Answer Key:
(c) len()
5. If List=[17,23,41,10] then List.append(32) will result
(a) [32,17,23,41,10]
(b) [17,23,41,10,32]
(c) [10,17,23,32,41]
(d) [41,32,23,17,10]
Answer Key:
(b) [17,23,41,10,32]
6. Which of the following Python function can be used to add more than one element within an existing list?
(a) append()
(b) append_more()
(c) extend()
(d) more()
Answer Key:
(c) extend()
7. What will be the result of the following Python code?
S=[x**2 for x in range(5)]
print(S)
(a) [0,1,2,4,5]
(b) [0,1,4,9,16]
(c) [0,1,4,9,16,25]
(d) [1,4,9,16,25]
Answer Key:
(b) [0,1,4,9,16]
8. What is the use of type() function in python?
(a) To create a Tuple
(b) To know the type of an element in tuple.
(c) To know the data type of python object.
(d) To create a list.
Answer Key:
(c) To know the data type of python object.
9. Which of the following statement is not correct?
(a) A list is mutable
(b) A tuple is immutable.
(c) The append() function is used to add an element.
(d) The extend() function is used in tuple to add elements in a list.
Answer Key:
(d) The extend() function is used in tuple to add elements in a list.
10. Let setA = {3,6,9}, setB = {1,3,9}. What will be the result of the following snippet?
print(setA|setB)
(a) {3,6,9,1,3,9}
(b) {3,9}
(c) {1}
(d) {1,3,6,9}
Answer Key:
(d) {1,3,6,9}
11. Which of the following set operation includes all the elements that are in two sets but not the one that are common to two sets?
(a) Symmetric difference
(b) Difference
(c) Intersection
(d) Union
Answer Key:
(a) Symmetric difference
12. The keys in Python, dictionary is specified by
(a) =
(b) ;
(c) +
(d) :
Answer Key:
(a) =
(a) List
(b) Tuple
(c) Dictionary
(d) Loop
Answer Key:
(d) Loop
2. Let list1=[2,4,6,8,10], then print(List1[-2]) will result in
(a) 10
(b) 8
(c) 4
(d) 6
Answer Key:
(b) 8
3. Which of the following function is used to count the number of elements in a list?
(a) count()
(b) find()
(c) len()
(d) index()
Answer Key:
(c) len()
4. If List=[10,20,30,40,50] then List[2]=35 will result
(a) [35,10,20,30,40,50]
(b) [10,20,30,40,50,35]
(c) len()
(d) [10,35,30,40,50]
Answer Key:
(c) len()
5. If List=[17,23,41,10] then List.append(32) will result
(a) [32,17,23,41,10]
(b) [17,23,41,10,32]
(c) [10,17,23,32,41]
(d) [41,32,23,17,10]
Answer Key:
(b) [17,23,41,10,32]
6. Which of the following Python function can be used to add more than one element within an existing list?
(a) append()
(b) append_more()
(c) extend()
(d) more()
Answer Key:
(c) extend()
7. What will be the result of the following Python code?
S=[x**2 for x in range(5)]
print(S)
(a) [0,1,2,4,5]
(b) [0,1,4,9,16]
(c) [0,1,4,9,16,25]
(d) [1,4,9,16,25]
Answer Key:
(b) [0,1,4,9,16]
8. What is the use of type() function in python?
(a) To create a Tuple
(b) To know the type of an element in tuple.
(c) To know the data type of python object.
(d) To create a list.
Answer Key:
(c) To know the data type of python object.
9. Which of the following statement is not correct?
(a) A list is mutable
(b) A tuple is immutable.
(c) The append() function is used to add an element.
(d) The extend() function is used in tuple to add elements in a list.
Answer Key:
(d) The extend() function is used in tuple to add elements in a list.
10. Let setA = {3,6,9}, setB = {1,3,9}. What will be the result of the following snippet?
print(setA|setB)
(a) {3,6,9,1,3,9}
(b) {3,9}
(c) {1}
(d) {1,3,6,9}
Answer Key:
(d) {1,3,6,9}
11. Which of the following set operation includes all the elements that are in two sets but not the one that are common to two sets?
(a) Symmetric difference
(b) Difference
(c) Intersection
(d) Union
Answer Key:
(a) Symmetric difference
12. The keys in Python, dictionary is specified by
(a) =
(b) ;
(c) +
(d) :
Answer Key:
(a) =
II.Answer the following questions.
12th Computer Science (soon)
III. Answer the following questions.
12th Computer Science (Soon)
IV. Answer the following questions.
12th Computer Science (Soon)
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