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The correct option is (4)

Only (i)

Key Points

• PowerPoint starts by default in Normal view, which shows the slide view, notes, and thumbnails.
• The editing mode in which you'll produce your slides the most is the normal view. In the section below, the Normal view shows slide thumbnails on the left, the current slide in a sizable window, and a place where you can type your speaker notes for that slide.
• View in Slide Show Deliver your presentation to the audience using Slide Show view. Your slides fill the entire computer screen in this view.
• Three view commands are located in the PowerPoint window's bottom-right corner. By clicking a command, you may now switch the view between Normal, Slide Sorter, and Slide Show views.
• A tool called Microsoft Powerpoint 2007 makes it quick and straightforward to create computer-based presentations. A presentation is a planned presentation of information using text, pictures, audio, videos, etc. A presentation's information is held in the form of slides.
• In Microsoft programs including Microsoft Excel, Microsoft Word, Microsoft Outlook, and other Office products, the F7 key is frequently used to spell and grammar checks a document. The highlighted word is checked in the Thesaurus by pressing Shift + F7.

The correct answer is Instant messenger.

Key Points

• Instant messaging (IM) is a type of online chat that offers real-time text transmission over the internet.
• IM allows individuals and groups to communicate instantly and share information quickly and efficiently.
• Popular instant messaging applications include WhatsApp, Facebook Messenger, WeChat, and Telegram.
• Most instant messaging platforms also support multimedia sharing, voice and video calls, and other interactive features.

Additional Information

• Virus
• A virus is a type of malicious software that, when executed, replicates by inserting copies of itself into other computer programs, data files, or the boot sector of the hard drive.
• Viruses often cause harm to the system by corrupting or destroying data.
• Blog
• A blog is a regularly updated website or web page, typically one run by an individual or small group, that is written in an informal or conversational style.
• Blogs can cover a wide range of topics and are used for personal, professional, and educational purposes.
• Email
• Email (electronic mail) is a method of exchanging messages between people using electronic devices.
• Emails are typically used for more formal or lengthy communication, and they can include attachments such as documents, images, and other files.
• Instant Messenger
• Instant messengers are software or platforms that provide real-time online chat functionality.
• Examples include WhatsApp, Facebook Messenger, WeChat, and Telegram.
• They are used for quick and efficient communication between individuals and groups.
• Besides text messaging, many instant messengers support voice calls, video calls, and file sharing.

The correct answer is It reduces file size and prevents unwanted editing..

Key Points

• Saving an MS PowerPoint presentation as a .pdf file ensures that the content becomes non-editable, thereby preventing unauthorized modifications.
• PDF files are generally more compact than PowerPoint files, which helps in reducing file size and making them easier to share.
• PDF format ensures consistent display of content, maintaining the original layout, fonts, and graphics regardless of the device or software used to view it.
• The PDF format is widely supported across various platforms and operating systems, providing universal compatibility.
• Saving as PDF removes PowerPoint-specific features such as animations and transitions, focusing solely on the core content for easy readability.

Additional Information

• PDF (Portable Document Format):
• Developed by Adobe, PDFs are designed to present documents in a manner independent of application software, hardware, or operating systems.
• PDFs support text, images, hyperlinks, and even forms, making them versatile for a variety of uses.
• File Compression in PDFs:
• PDF software often includes algorithms to compress images and remove redundant data, helping reduce overall file size.
• Security Features of PDFs:
• PDFs can be encrypted and password-protected to prevent unauthorized access.
• They also support permissions, allowing authors to restrict actions like printing or copying content.
• Difference Between PPT and PDF:
• PPT files are editable and support animations, transitions, and interactive elements, while PDFs are static and primarily focused on readability and sharing.
• Universal Compatibility:
• PDF viewers are available across all major operating systems, including Windows, macOS, Linux, and mobile platforms.

The correct option is (2)

countif

Key Points

• Excel's COUNTIF function keeps track of how many cells in a range satisfy a given condition.
• Use the COUNTA function to count only cells in a range that contain values.
• When you count cells, sometimes you want to ignore any blank cells because only cells with values are meaningful to you.
• An Excel statistical function is the COUNT Function[1]. This function aids in counting both the number of parameters and the number of cells that contain numbers. Additionally, it counts the elements of any given array.

Additional Information

• Cells that are not empty will be counted using the COUNTA function. Any type of information in the cells is counted.

The correct answer is Area chart.

Key Points

• An Area chart is used to represent quantitative data graphically.
• It displays the magnitude of change over time using filled areas below the line segments.
• This type of chart is useful for showing the trend of data over intervals of time or categories.
• Area charts emphasize the magnitude of values and help in understanding the overall volume of the dataset.

Additional Information

• Line Chart
• A line chart is a type of chart which displays information as a series of data points called 'markers' connected by straight line segments.
• It is one of the most common types of charts and is useful for showing trends over time.
• Line charts are typically used to track changes over short and long periods of time.
• They are particularly useful for visualizing data trends and comparing different sets of data.
• Bar Chart
• A bar chart is a chart or graph that presents categorical data with rectangular bars with heights or lengths proportional to the values that they represent.
• Bar charts are used to compare different categories of data.
• They are ideal for showing the relative sizes of different categories.
• Bar charts can be plotted vertically or horizontally.
• Pie Chart
• A pie chart is a circular statistical graphic, which is divided into slices to illustrate numerical proportion.
• Each slice of the pie chart represents a category and the size of each slice is proportional to the quantity it represents.
• Pie charts are best used when you are trying to compare parts of a whole.
• They are not suitable for showing changes over time.

The correct answer is 'Option 2'.

Key Points

• A) Political stability.
• This is not a threat to sustainable development. In fact, political stability can contribute positively to the efforts in achieving sustainable development.
• B) Affluence.
• This is a threat to sustainable development. High consumption of natural resources, which is often associated with affluence, is mentioned as a threat to sustainable development in the passage.
• C) Decrease in population.
• This is not a threat to sustainable development. Rather, a decrease in population can alleviate some of the pressures on natural resources.
• D) Ozone depletion.
• This is not specifically mentioned in the passage as a threat to sustainable development. The passage focuses on other factors like population growth, resource exploitation, and political instability.

Therefore, the correct answer is Option 2.

Additional Information

• Option 1: Incorrect because political stability is not mentioned as a threat to sustainable development.
• Option 2: Correct because affluence, which involves high consumption of natural resources, is a threat to sustainable development.
• Option 3: Incorrect because a decrease in population is not a threat to sustainable development.
• Option 4: Incorrect because ozone depletion is not specifically mentioned as a threat to sustainable development in the passage.

The correct answer is 'Option 4'.

Key Points

• A) Reduced biodiversity by destroying wildlife habitats.
• This is related to the use of technology to alter nature. The passage mentions that using technology has led to reduced biodiversity by destroying wildlife habitats.
• B) Some populations of pest species and disease-causing bacteria strengthened through use of pesticides and antibiotics.
• This is related to the use of technology to alter nature. The passage mentions that the indiscriminate use of pesticides and antibiotics has strengthened some populations of pest species and disease-causing bacteria.
• C) Renewable resources have been used faster than they can be regenerated.
• This is related to the use of technology to alter nature. The passage mentions that renewable resources have been used faster than they can be regenerated, which is a consequence of technological advancements.
• D) Developed high consumerism and political instability.
• This is not related to the use of technology to alter nature. The passage does mention political instability as a threat to sustainable development, but it does not link it to the use of technology altering nature.

Therefore, the correct answer is Option 4.

Additional Information

• Option 1: Incorrect because it is related to the use of technology to alter nature.
• Option 2: Incorrect because it is related to the use of technology to alter nature.
• Option 3: Incorrect because it is related to the use of technology to alter nature.
• Option 4: Correct because it is not related to the use of technology to alter nature.

The correct answer is 'Option 1'.

Key Points

• A) Land clearing for urbanisation and industrialisation.
• This can be inferred from the passage. The passage mentions that activities such as agriculture and deforestation, which are related to land clearing for urbanisation and industrialisation, result in environmental degradation and social disintegration.
• B) Afforestation.
• This cannot be inferred as a cause. Afforestation is the process of planting trees and would generally contribute to environmental improvement rather than degradation.
• C) Scarcity of water.
• This cannot be directly inferred from the passage as a cause. While the passage mentions overuse of freshwater, it doesn't directly state that water scarcity leads to environmental degradation and social disintegration.
• D) Fall in agricultural activity.
• This cannot be inferred. The passage actually mentions that agricultural activities contribute to environmental degradation, not that a fall in agricultural activity causes it.

Therefore, the correct answer is Option 1.

Additional Information

• Option 1: Correct because the passage discusses activities such as agriculture and deforestation, linked to land clearing for urbanisation and industrialisation, which result in environmental degradation and social disintegration.
• Option 2: Incorrect because afforestation contributes to environmental improvement, not degradation.
• Option 3: Incorrect because the passage does not directly state that water scarcity leads to environmental degradation and social disintegration.
• Option 4: Incorrect because a fall in agricultural activity is not mentioned as a cause of environmental degradation in the passage.

The correct answer is 'Option 3'.

Key Points

• A) A form of growth that does not meet the current human needs.
• This is not correct because sustainable development aims to meet the needs of the present generation while ensuring that future generations can also meet their needs.
• B) A form of development that overexploits natural resources.
• This is not correct because sustainable development seeks to avoid overexploitation of natural resources to prevent environmental degradation.
• C) A change in all aspects of life that causes little damage to the environment.
• This is correct because, according to the passage, sustainable development implies a change in all aspects of life in a way that causes little damage to the environment.
• D) A form of growth that is meeting the needs of the present generation.
• This is not entirely correct because while it covers part of the concept, it does not address the important aspect of not compromising the ability of future generations to meet their own needs.

Therefore, the correct answer is Option 3.

Additional Information

• Option 1: Incorrect because sustainable development does aim to meet current needs.
• Option 2: Incorrect because sustainable development avoids overexploitation of resources.
• Option 3: Correct because it accurately describes sustainable development as causing little damage to the environment.
• Option 4: Incorrect because it does not account for the needs of future generations.

The correct answer is 'Option 1'.

Key Points

• A) Sharp increase; random.
• This means the same as 'exponential' and 'indiscriminate,' respectively. 'Exponential' refers to a sharp increase, and 'indiscriminate' means random or done without careful judgment.
• B) Decrease; careful.
• This does not mean the same as 'exponential' and 'indiscriminate.' 'Exponential' refers to a sharp increase, not a decrease, and 'indiscriminate' means random, not careful.
• C) Rise; systematic.
• This does not mean the same as 'exponential' and 'indiscriminate.' While 'exponential' can be interpreted as a rise, 'indiscriminate' does not mean systematic.
• D) Reduce; confused.
• This does not mean the same as 'exponential' and 'indiscriminate.' 'Exponential' refers to a sharp increase, not a reduction, and 'indiscriminate' means random, not confused.

Therefore, the correct answer is Option 1.

Additional Information

• Option 1: Correct because 'sharp increase' and 'random' are synonyms for 'exponential' and 'indiscriminate,' respectively.
• Option 2: Incorrect because 'decrease' and 'careful' are antonyms to 'exponential' and 'indiscriminate,' respectively.
• Option 3: Incorrect because although 'rise' could be associated with 'exponential,' 'systematic' is not associated with 'indiscriminate.'
• Option 4: Incorrect because 'reduce' and 'confused' are not synonyms for 'exponential' and 'indiscriminate,' respectively.