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Saturday, November 22, 2025

Understand and apply Referencing-Class-9-PART-B UNIT-IV-CH-4:

CBSE Solutions-2025-26 ,
Understand and apply Referencing-Class-9-PART-B UNIT-IV-CH-4:

PART-B Unit-4 Electronic Spreadsheet-LibreOffice(2025-26)
Chapter-4 Understand and apply referencing

Question A – Fill in the Blanks
1.Referencing allows you to use data from _____ cells in formulas.
Answer: other
2.Relative referencing changes _____ when copied to another cell.
Answer: its reference
3.Absolute referencing uses the symbols _____ to fix rows or columns.
Answer: $
4.The formula =$A1 + B1 is an example of _____ reference.
Answer: mixed
5.To reference a cell without changing its position use _____ referencing.
Answer: absolute

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Format data in the Spreadsheet-Class-9-PART-B UNIT-IV-CH-3:

CBSE Solutions-2025-26 ,
Format data in the Spreadsheet-Class-9-PART-B UNIT-IV-CH-3:

PART-B Unit-4 Electronic Spreadsheet-LibreOffice(2025-26)
Chapter-3 Format data in the spreadsheet

A. Fill in the Blanks
1.The Formatting tool in LibreOffice Calc allows users to quickly apply formatting styles.
Answer: Formatting
2.The Format Cells dialog box is used to apply specific formats to numbers, text and dates.
Answer: Format Cells
3.To format a range of cells with a specific number of decimal places, use the Number tab in the Format Cells dialog box.
Answer: Number
4.Formatting a range of cells as Text ensures the display of text instead of numbers.
Answer: Text
5.The Scientific format is used to represent very large or very small numbers in scientific notation.
Answer: Scientific

B. Write True / False
1.The Format Cells dialog box is used to align text in a spreadsheet.
Answer: True
2.Decimal places cannot be customized in any range of cells.
Answer: False
3.You can use the Fill Handle to copy formulas across multiple cells.
Answer: True
4.Cells formatted as Scientific display numbers in decimal notation.
Answer: False
5.The Fill Handle cannot extend number sequence automatically.
Answer: False

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Health and Safety at Workplace-Class-10-Part:B-Unit:4-Ch:3:

CBSE Solutions-2025-26 ,
Health and Safety at Workplace-Class-10-Part:B-Unit:4-Ch:3:


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

chapter- 3 Health and Safety at the workplace

A. Fill in the Blanks
1.The screen must be free of ________ to avoid discomfort to the user.
Answer: glare
2.Removing rings, watches, and necklaces when working on the computer to avoid damage from ________ electricity is important.
Answer: static
3.A ________ backup system provides the system with constant voltage during power outages.
Answer: UPS (Uninterruptible Power Supply)
4.To prevent ________, take a break every 30 minutes and look at something 30 m away for 30 seconds.
Answer: eye strain

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Thursday, November 20, 2025

How to prevent accidents at workplace?Class-10-Part:B-Unit:4-Ch:2:

CBSE Solutions-2025-26 ,
How to prevent accidents at workplace?Class-10-Part:B-Unit:4-Ch:2:


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

chapter- 2 Prevent accidents and emergencies

SECTION A – FILL IN THE BLANKS
1. Provide help and support within your ______ limit.
Answer: personal
2. Follow the instructions of ______ staff who are trained to handle particular situations.
Answer: designated
3. Stay calm and follow the ______ procedures in case of an injury.
Answer: emergency
4. ______ supplies should be readily accessible to employees.
Answer: First-aid
5. ______ exit should be free from obstructions and key should be easily accessible.
Answer: Emergency
6. Maintain a list of emergency contact numbers such as those for ______, fire brigade, security and ambulance services.
Answer: police
7. Person with electricity – ______ the person directly.
Answer: Do not touch
8. While working on live conductor always wear ______ on your hands.
Answer: insulated gloves
9. Before working on the pole always use ______.
Answer: safety belt
10. Before replacing the fuse switch off the ______.
Answer: main switch

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Wednesday, November 19, 2025

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

CBSE Solutions-2025-26 ,
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

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