| 2701 |
Which method replaces all missing values in df with 0? |
Computer Science/Informatics Practices
Missing values and MySQL |
Easy |
| 2702 |
df has columns A = [1, NaN, 3] and B = [NaN, NaN, 6]. What is the shape of df.dropna()? |
Computer Science/Informatics Practices
Missing values and MySQL |
Medium |
| 2703 |
For the same df, what is the shape of df.dropna(how='all')? |
Computer Science/Informatics Practices
Missing values and MySQL |
Medium |
| 2704 |
A student wants to add the rows of a DataFrame df to an existing MySQL table result without deleting old rows… |
Computer Science/Informatics Practices
Missing values and MySQL |
Hard |
| 2705 |
Which pyplot function draws a pie chart? |
Computer Science/Informatics Practices
Chart types |
Easy |
| 2706 |
Which chart is most suitable for showing how a city's monthly temperature changes over a year? |
Computer Science/Informatics Practices
Chart types |
Easy |
| 2707 |
A teacher wants to see how the marks of 200 students are distributed across intervals such as 0–10, 10–20 and… |
Computer Science/Informatics Practices
Chart types |
Medium |
| 2708 |
Which chart directly displays the minimum, first quartile, median, third quartile and maximum of a data set? |
Computer Science/Informatics Practices
Chart types |
Medium |
| 2709 |
How is a frequency polygon related to a histogram? |
Computer Science/Informatics Practices
Chart types |
Hard |
| 2710 |
Which function sets the text below the x axis of a plot? |
Computer Science/Informatics Practices
Customising plots |
Easy |
| 2711 |
Which function saves the current plot as an image file? |
Computer Science/Informatics Practices
Customising plots |
Easy |
| 2712 |
What does plt.plot(x, y, 'r--') draw? |
Computer Science/Informatics Practices
Customising plots |
Medium |
| 2713 |
A student writes plt.plot(x, y1, label='2023') and plt.plot(x, y2, label='2024') but no legend appears. What … |
Computer Science/Informatics Practices
Customising plots |
Medium |
| 2714 |
A program calls plt.show() and then plt.savefig('chart.png'), and the saved image is blank. What is the most … |
Computer Science/Informatics Practices
Customising plots |
Hard |
| 2715 |
Which of the following is an example of an active digital footprint? |
Computer Science/Informatics Practices
Digital footprint and netiquette |
Easy |
| 2716 |
The set of good manners and behaviour expected while using the Internet is called |
Computer Science/Informatics Practices
Digital footprint and netiquette |
Easy |
| 2717 |
A website records a visitor's pages viewed and location without the visitor typing anything. This data forms … |
Computer Science/Informatics Practices
Digital footprint and netiquette |
Medium |
| 2718 |
A person keeps posting provocative comments in a class group to upset others. What is the advice of good neti… |
Computer Science/Informatics Practices
Digital footprint and netiquette |
Medium |
| 2719 |
Ananya posts a photo showing her school badge and house number with a public setting. Why is this risky? |
Computer Science/Informatics Practices
Digital footprint and netiquette |
Hard |
| 2720 |
Which type of intellectual property protects a company's logo? |
Computer Science/Informatics Practices
Intellectual property |
Easy |
| 2721 |
Copying a classmate's essay and submitting it as one's own work is an example of |
Computer Science/Informatics Practices
Intellectual property |
Easy |
| 2722 |
Which statement about Free and Open Source Software is correct? |
Computer Science/Informatics Practices
Intellectual property |
Medium |
| 2723 |
An image is shared under a CC BY-NC licence. Which use is permitted? |
Computer Science/Informatics Practices
Intellectual property |
Medium |
| 2724 |
A developer modifies a GPL-licensed program and distributes the new version. What does the GPL require? |
Computer Science/Informatics Practices
Intellectual property |
Hard |
| 2725 |
Which Indian law deals with cybercrime and the legal recognition of electronic records? |
Computer Science/Informatics Practices
Cybercrime and cyber law |
Easy |
| 2726 |
Unauthorised access to someone's computer system is called |
Computer Science/Informatics Practices
Cybercrime and cyber law |
Easy |
| 2727 |
Ravi receives an email that looks like it is from his bank, asking him to click a link and enter his password… |
Computer Science/Informatics Practices
Cybercrime and cyber law |
Medium |
| 2728 |
A student repeatedly receives threatening messages and finds edited photos of herself posted online by classm… |
Computer Science/Informatics Practices
Cybercrime and cyber law |
Medium |
| 2729 |
Which is the most appropriate first response for a victim of cyberbullying? |
Computer Science/Informatics Practices
Cybercrime and cyber law |
Hard |
| 2730 |
Which of these toxic substances is commonly found in e-waste? |
Computer Science/Informatics Practices
E-waste and health |
Easy |
| 2731 |
The science of designing workplaces and equipment to suit the human body is called |
Computer Science/Informatics Practices
E-waste and health |
Easy |
| 2732 |
A family has an old but working laptop they no longer need. Which action best follows the "reuse" principle? |
Computer Science/Informatics Practices
E-waste and health |
Medium |
| 2733 |
A student who studies on a laptop for hours develops neck pain. Which change is most helpful ergonomically? |
Computer Science/Informatics Practices
E-waste and health |
Medium |
| 2734 |
Why is open burning of e-waste to recover metals especially harmful? |
Computer Science/Informatics Practices
E-waste and health |
Hard |
| 2735 |
What is the first step in carrying out a project? |
Computer Science/Informatics Practices
Project-based learning |
Easy |
| 2736 |
Which of the following is a feature of effective teamwork? |
Computer Science/Informatics Practices
Project-based learning |
Easy |
| 2737 |
A project team keeps missing deadlines because nobody knows who is responsible for which task. What should th… |
Computer Science/Informatics Practices
Project-based learning |
Medium |
| 2738 |
Two team members strongly disagree about which chart to use in their report. What is the best way to settle i… |
Computer Science/Informatics Practices
Project-based learning |
Medium |
| 2739 |
A team uses survey responses from classmates in its data project. Which practice is most ethical? |
Computer Science/Informatics Practices
Project-based learning |
Hard |
| 2740 |
Which of the following is a subject of microeconomic study? |
Economics/Business Economics
Meaning and scope of microeconomics |
Easy |
| 2741 |
The central problem "what to produce" is mainly about deciding: |
Economics/Business Economics
Meaning and scope of microeconomics |
Easy |
| 2742 |
A country has to choose between labour-intensive and capital-intensive methods to build roads. Which central … |
Economics/Business Economics
Meaning and scope of microeconomics |
Medium |
| 2743 |
A production possibility curve is concave to the origin because: |
Economics/Business Economics
Meaning and scope of microeconomics |
Medium |
| 2744 |
An economy's PPC has these combinations (guns, wheat): (0, 100), (1, 95), (2, 85), (3, 70). What is the margi… |
Economics/Business Economics
Meaning and scope of microeconomics |
Hard |
| 2745 |
Total utility from a good is at its maximum when marginal utility is: |
Economics/Business Economics
Consumer’s equilibrium: utility approach |
Easy |
| 2746 |
The law of diminishing marginal utility states that: |
Economics/Business Economics
Consumer’s equilibrium: utility approach |
Easy |
| 2747 |
Total utility from 1, 2 and 3 cups of tea is 20, 35 and 45 utils. What is the marginal utility of the 3rd cup? |
Economics/Business Economics
Consumer’s equilibrium: utility approach |
Medium |
| 2748 |
A consumer buying two goods finds that MUx ÷ Px is greater than MUy ÷ Py. To raise total utility, the consume… |
Economics/Business Economics
Consumer’s equilibrium: utility approach |
Medium |
| 2749 |
The marginal utility of money is 4 utils per rupee and good X costs ₹5. MU of successive units of X is 40, 32… |
Economics/Business Economics
Consumer’s equilibrium: utility approach |
Hard |
| 2750 |
With good 1 on the horizontal axis, the slope of the budget line is: |
Economics/Business Economics
Consumer’s budget and optimal choice |
Easy |