10th class Computer Science and Entrepreneurship, Chapter 5: Introduction to Data Science MCQs

1. What is the first step in the Data Science Life Cycle (DSLC)?

1. (A) Collecting Data
2. (B) Visualizing Data
3. (C) Understanding the Problem ✓
4. (D) Analyzing the Data

2. Which method is best for collecting opinions from many students?

1. (A) IoT Devices
2. (B) Survey ✓
3. (C) Web Scraping
4. (D) Database

3. What is "bias" in data?

1. (A) Very large data size
2. (B) Unfair or one-sided data ✓
3. (C) Well-cleaned data
4. (D) High-speed data

4. Which tool is ideal for beginners to create charts?

1. (A) Tableau
2. (B) Python
3. (C) Google Sheets ✓
4. (D) Hadoop

5. A relational database store information in the form of:

1. (A) Slides
2. (B) Tables ✓
3. (C) Blocks
4. (D) Layers

6. Which of the following charts is best for comparing groups?

1. (A) Pie Chart
2. (B) Bar Chart ✓
3. (C) Line Chart
4. (D) Area Chart

7. What is the main goal of analyzing data?

1. (A) Delete old data
2. (B) Decorate data
3. (C) Find patterns and make decisions ✓
4. (D) Upload to the internet

8. Which of the following tools is an advanced data visualization platform?

1. (A) MS Paint
2. (B) Google Data Studio ✓
3. (C) Notepad
4. (D) WhatsApp

9. What should be done before storing data?

1. (A) Add animations
2. (B) Clean and validate it ✓
3. (C) Encrypt it
4. (D) Translate it

10. Which one is an example of a data source?

1. (A) YouTube
2. (B) Survey form ✓
3. (C) Whiteboard
4. (D) Slide show

11. Which of the following is a field that uses data to find patterns and support decision making?

1. (A) Data Science ✓
2. (B) Data Entry
3. (C) Programming
4. (D) Networking

12. Which of the following is NOT a task performed in Data Science?

1. (A) Collecting data
2. (B) Organizing data
3. (C) Repairing hardware ✓
4. (D) Analyzing data

13. Which of the following refers to raw, unprocessed facts and figures collected from different sources?

1. (A) Data ✓
2. (B) Information
3. (C) Knowledge
4. (D) Analysis

14. Which of the following is a source of data?

1. (A) Mobile phones
2. (B) Google searches
3. (C) Online shopping
4. (D) All ✓

15. Which of the following uses data to recommend posts to users?

1. (A) Static Website
2. (B) Social media apps ✓
3. (C) Text Editor
4. (D) File Compressor

16. Online shopping websites use Data Science to:

1. (A) Print receipts
2. (B) Suggest products ✓
3. (C) Store files
4. (D) Format text

17. Which of the following applications uses traffic data to suggest the fastest route?

1. (A) MS Word
2. (B) Google Maps ✓
3. (C) Zoom
4. (D) Instagram

18. DSLC stands for:

1. (A) Data System Life Cycle
2. (B) Data Science Life Cycle ✓
3. (C) Data Software Life Cycle
4. (D) Data Storage Life Cycle

19. DSLC follows a series of steps that are used to:

1. (A) Delete data
2. (B) Solve problems ✓
3. (C) Store files
4. (D) Design hardware

20. Which step in the Data Science Life Cycle (DSLC) involves examining data carefully to find patterns and trends?

1. (A) Data Acquisition
2. (B) Data Cleaning
3. (C) Data Deployment
4. (D) Data Analysis ✓