Digital Learning

Wednesday, November 19, 2025

How to maintain workplace safety?Class-10-Part:B-Unit:4-Ch:1:


CBSE SOLUTIONS-2025-26
CLASS-10-PART-B
unit-4 Managing Health and Safety

chapter- 1 Maintain Workplace Safety

A. Fill in the Blanks:
Q1. Ensure all areas have proper ________.
Answer – lighting
Q2. Dispose of ________ daily.
Answer – waste
Q3. Never disturb people working near a fire or with ________ or equipment.
Answer – hot tools
Q4. Repair torn wires or broken plugs before using any ________ equipment.
Answer – electrical equipment
Q5. Cover all food with a ________, plastic wrap.
Answer – lid

B. Choose the Correct Option:
Q1. What should you do if you encounter equipment that smokes, sparks, or looks unsafe?
Options: A. Continue using it, B. Report it to a supervisor, C. Cover it with cloth, D. Leave it and use later
Answer – B. Report it to a supervisor
Q2. Which of the following is NOT a recommended safety measure when working with machines?
Options: A. Wearing loose clothing, B. Wearing goggles, C. Shutting down machines before leaving, D. Repairing torn wires before use
Answer – A. Wearing loose clothing
Q3. Where should cleaning chemicals be stored?
Options: A. On the floor, B. In open containers, C. In tightly closed containers in separate cupboards, D. Near food items
Answer – C. In tightly closed containers in separate cupboards
Q4. What should you wear when working with hazardous materials?
Options: A. Casual clothes, B. Protective items like goggles, gloves, and mask, C. Jewellery, D. Loose clothing
Answer – B. Protective items like goggles, gloves, and mask
Q5. What action should you take if you notice unsafe conditions at work?
Options: A. Ignore them, B. Report them to your supervisor, C. Try to fix them yourself, D. Wait for someone else to notice
Answer – B. Report them to your supervisor

Tuesday, November 18, 2025

How to apply functions in Spreadsheet? Class-9-PART-B UNIT-IV-CH-2:


PART-B Unit-4 Electronic Spreadsheet-LibreOffice(2025-26)
Chapter-2 Apply formula and functions in spreadsheet

1. Fill in the Blanks:
1.In LibreOffice Calc, text entered into a cell is called a ________.
Answer: Label
2.The result of a mathematical calculation in a cell is displayed as a ________.
Answer: Value
3.A formula in LibreOffice Calc always starts with the ________ symbol.
Answer: =
4.The ________ function is used to find the highest value in a range of cells.
Answer: MAX
5.To count the number of cells in a range that contain numbers, you use the ________ function.
Answer: COUNT

2. True or False:
1.A formula can only perform addition in LibreOffice Calc.
Answer: False
2.Formulas include references and mathematical operators.
Answer: True
3.Labels are always aligned to the left side of the cell by default.
Answer: True
4.The AVERAGE function calculates the total of values in a range divided by the number of cells.
Answer: True
5.The MIN function calculates the total of a range of cells.
Answer: False

How to create a spreadsheet? Class-9-PART-B UNIT-IV-CH-1:


PART-B Unit-4 Electronic Spreadsheet-LibreOffice(2025-26)
Chapter-1 Create a Spreadsheet

A. Fill in the blanks:
Q1. A ________ is the intersection of a row and a column.
Ans1. Cell
Q2. In the ________ you can enter or edit data, a formula or a function that will appear in a specific cell.
Ans2. Formula Bar
Q3. In Calc, rows are identified by ________.
Ans3. Numbers
Q4. The ________ displays the location or name of a selected cell.
Ans4. Name Box
Q5. A ________ is a group of cells that runs from the top of the page to the bottom.
Ans5. Column

B. True or False:
Q1. Each rectangle in a workbook is called a cell.
Ans1. True
Q2. Column is a group of cells that runs from the left of the page to the right.
Ans2. False
Q3. Excel files are called workbooks and each workbook holds one or more worksheets.
Ans3. True
Q4. You cannot rename a worksheet.
Ans4. False
Q5. You can switch to any worksheet by clicking on its tab.
Ans5. True

Wednesday, November 12, 2025

Create and use tables- Class-9-PART-B UNIT-III-CH-4:


PART-B Unit-3 Digital Documentation-LibreOffice(2025-26)
Chapter-4 Create and use tables

A. Fill in the Blanks
1._____ is an organised presentation of data separated by a number of rows and columns.
Answer: Table
2.To move from one cell to another cell in the table use the _____ key.
Answer: Tab
3.To delete a row, right-click and from the context menu select Row → _____.
Answer: Delete
4.Two or more adjacent cells can be merged together into one cell using the _____ feature.
Answer: Merge Cells
5.To delete a table, select Table → _____ from the main menu.
Answer: Delete

B. Write True or False
1.You can convert text into tables.
Answer: True
2.Writer also provides an option to change line style to the left of the column.
Answer: True
3.Once the table is created, it is not possible to split the cell in the table as per the requirements.
Answer: False
4.By default, tables have a black border.
Answer: True

What is Format the document? Class-9-PART-B UNIT-III-CH-3:


PART-B Unit-3 Digital Documentation-LibreOffice(2025-26)
Chapter-3 Format the Document

A. Fill in the blanks
1. Numbered list is a ______ list of items with numbers for each item.
Answer: Numbered
2.______ is the default Bullet list command.
Answer: Bullets
3.______ command creates small letters below the line of text. Writing chemical equation is an example of subscript text.
Answer: Subscript
4.______ are predefined formatting options that are used to emphasize text.
Answer: Styles
5.______ text is selected towards right.
Answer: Right-aligned

B. Write True or False
1.The default font is Verdana.
Answer: False
2.You cannot change the colour of the underline.
Answer: False
3.The Character Highlighting Colour command draws a line through the middle of the selected text.
Answer: False
4.Right align aligns text to the right with a ragged left edge.
Answer: True
5.The Background Colour button colours the background behind the selected text.
Answer: True