Question Discussion & Solution

The correct answer is B12.

• Cobalamin is the scientific name of B12.

Key Points

• Vitamins:
  • It was first invented by FG Hopkins.
  • The term vitamin was coined by C Funk.
  • Vitamins provide no calories, they only regulate chemical reactions occurring in the metabolism of the body.
    • Water-soluble vitamins are Vitamin-B and Vitamin-C.
    • Fat-soluble vitamins are Vitamin-A, Vitamin-D, Vitamin-E and Vitamin-K. {Trick to remember: KEDA does not dissolve in water}
• Vitamin-B12:
  • Its chemical name is cobalamin.
  • Cyanocobalamin is a man-made form of vitamin B12.
  • Cobalt is found in Vitamin-B12. 
  • It is water-soluble.
  • Its deficiency causes Pernicious anaemia.
  • Its rich sources are Meat, poultry, fish, eggs, milk.

Additional Information​

The correct answer is 22 February 2021.

• Under the vaccination program in Rajasthan, the first phase of Intensified Mission Indradhanush-3 started from 22 February 2021.

Key Points

• First phase of intensive mission Indradhanush-3:
  • Medical and Health Minister Dr. Raghu Sharma launched this special campaign of vaccination from Bhilwara district.
  • According to the instructions of the Union Health Ministry, this campaign will be conducted for 15 days in two phases and the related vaccines will be given free of cost to the children and pregnant women who are deprived of regular vaccination.
    • In the first phase, 24 districts of the state have been included. A total of 3,963 vaccination sessions will be conducted in these.
    • A target has been set to immunize 23,980 children from birth to 2 years of age and 6,268 pregnant women through the relevant vaccines.

The correct answer is the formula bar.

Key Points

• By using the Defined names, the user can make the formulas much easier to understand and maintain.
• The user can define a name for a cell range, function, constant, or table. With the practice of using names in the workbook, the user can easily update, audit, and manage these names.
• The user Defined names will appear in the formula bar. 

Additional Information

• Steps to define names from a selected range
  • Select the range you want to name, including the row or column labels.
  • Select Formulas > Create from Selection.
  • In the Create Names from Selection dialog box, designate the location that contains the labels by selecting the Top row, Left column, Bottom row, or Right column check box.
  • Select OK.
• Steps to use names in formulas
  • Select a cell and enter a formula.
  • Place the cursor where you want to use the name in that formula.
  • Type the first letter of the name, and select the name from the list that appears.
  • Or, select Formulas > Use in Formula and select the name you want to use.
  • Press Enter.
• How to manage names in your workbook with Name Manager
  • On the Ribbon, go to Formulas > Defined Names > Name Manager. You can then create, edit, delete and find all the names used in the workbook. 

The correct answer is the Pie Chart.

• In Ms-Excel, pie charts show percentages adding up to 100%.

​Key Points

• Pie charts
  • ​Pie charts are used to show parts of a whole.
  • Specifically, pie charts illustrate meaningful relationships between percentages or parts of 100%.
  • If the data which we want to display add up to 100%, a pie chart is the best choice.
  • When creating a pie chart, the description of each section is called the category, and the number connected to the category is called the value.

Additional Information

• Column Chart
  • ​A column chart is a graphic representation of data. 
  • Column charts display vertical bars going across the chart horizontally, with the values axis being displayed on the left side of the chart.
  • Column Charts are Used to Compare Data.
• Bar Chart
  • ​Bar graphs are used to compare things between different groups or to track changes over time.
  • A bar chart is a way of summarizing a set of categorical data (continuous data can be made categorical by auto-binning).
• Bubble Chart
  • ​Bubble charts are often used to present financial data.
  • It is an extension of the scatter plot used to look at relationships between three numeric variables.

The correct answer is Windows, Icons, Menus.

• In a GUI-based operating system, the graphical user interface is based on Windows, Icons, Menus.

Key Points

• A  graphical user interface(GUI) uses windows, icons, and menus to perform various commands, such as opening, deleting, and moving files.
• A GUI operating system is primarily navigated using a mouse, a keyboard can also be used via keyboard shortcuts or arrow keys.