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Thursday, October 2, 2025

CBSE SAMPLE PAPER-Class-X (Session-2025-26):

CBSE Solutions-2025-26 ,
CBSE SAMPLE PAPER-Class-X (Session-2025-26):

CBSE- Sample Question Paper(SQP) and
Marking Scheme(MS), Session-2025-26

CBSE has been released the Sample Question Paper and Marking Scheme for Session-2025-26 
 
CBSE Board Sample Question Paper(SQP) and Marking Scheme(MS) for Session-2025-26 has been released.
You can download here SQP and MS by direct click on following link(PDF format).

To download Hindi Course-A(Code-002) Sample Question Paper(SQP) and Marking Scheme(MS) for class-X-(Session-2025-26) click on the following link:

To download English language and literature(Code-184) Sample Question Paper(SQP) and Marking Scheme(MS) for class-X-(Session-2025-26) click on the following link:

To download Mathematics(Standard-041) Sample Question Paper(SQP) and Marking Scheme(MS) for class-X-(Session-20245-26) click on the following link:

To download Mathematics(Standard-041) Sample Question Paper(SQP) and Marking Scheme(MS) for class-X-(Session-2025-26) click on the following link:

To download Science(Code-086) Sample Question Paper(SQP) and Marking Scheme(MS) for class-X-(Session-2025-26) click on the following link:

To download Social Science(C0de-087) Sample Question Paper(SQP) and Marking Scheme(MS) for class-X-(Session-2025-26) click on the following link:

To download Information Technology(Code-402) Sample Question Paper(SQP) and Marking Scheme(MS) for class-X-(Session-2025-26) click on the following link:

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What is the database management system DBMS? Class-10-Part:B-Unit:3-Ch:1:

CBSE Solutions-2025-26 ,
What is the database management system DBMS? Class-10-Part:B-Unit:3-Ch:1:

CBSE SOLUTIONS-2025-26
CLASS-10-PART-B
unit-3 database Management system using lobreoffice base

chapter- 1 Introduction to Database Management System

A. Fill in the blanks:
Q1. ____ is a collection of raw facts and figures that have not been processed into meaningful information.
Ans: Data
Q2. ____ is processed data that is meaningful and useful for decision making.
Ans: Information
Q3. A ____ key is a unique identifier for each record in a table and cannot contain null values.
Ans: Primary Key
Q4. ____ keys are used to establish a relationship between two tables in an RDBMS.
Ans: Foreign Keys
Q5. RDBMS organizes data into ____.
Ans: Tables
Q6. A ____ key consists of two or more attributes that uniquely identify a record in a table.
Ans: Composite Key

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Sunday, September 28, 2025

How to review a spreadsheet? Class-10-Part:B-Unit:2-Ch:4:

CBSE Solutions-2025-26 ,
How to review a spreadsheet? Class-10-Part:B-Unit:2-Ch:4:


CBSE SOLUTIONS-2025-26
CLASS-10-PART-B
unit-2 electronic spreadsheet using libreoffice calc
chapter- 4 Share and Review a spreadsheet

Section – A: Fill in the Blanks
Q1. Sharing and reviewing spreadsheets allows – to work on the same document simultaneously, making it easier to collaborate and provide feedback.
Answer: Multiple users
Q2. The – feature in LibreOffice Calc highlights modifications made to the spreadsheet so users can review and manage edits effectively.
Answer: Track Changes
Q3. To start tracking modifications in a spreadsheet, you need to – by enabling the Track Changes feature from the menu.
Answer: Enable tracking
Q4. – are added to specific cells in a spreadsheet, providing additional context or feedback without altering the cell’s content.
Answer: Comments or Annotations
Q5. When working with multiple versions of a spreadsheet, you can – from different users into a single document to synchronize updates and resolve conflicts.
Answer: Merge changes
Q6. – documents help identify differences between two versions of a spreadsheet, allowing you to review and understand the changes made over time.
Answer: Compare

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Tuesday, September 23, 2025

How to link data and spreadsheet in Calc? Class-10-Part:B-Unit:2-Ch:3:

CBSE Solutions-2025-26 ,
How to link data and spreadsheet in Calc? Class-10-Part:B-Unit:2-Ch:3:

CBSE SOLUTIONS-2025-26
CLASS-10-PART-B
unit-2 electronic spreadsheet using libreoffice calc
chapter- 3 Linking Spreadsheet Data

A. Fill in the Blanks
Question 1. In LibreOffice Calc, a dash is a connection to external data ensuring that the spreadsheet stays updated with the latest changes.
Answer: Link
Question 2. To bring in specific columns from a database into Calc you can – the column header from the data source window into your spreadsheet.
Answer: Drag
Question 3. In Calc, the dash icon appears when data is dragged from a data source offering options for inserting the data as text.
Answer: Data to Text
Question 4. Dash in Calc refers to a set of data imported or linked from an external file such as a spreadsheet or database.
Answer: Data Source
Question 5. To automatically update data in Calc from an external database, the data must be linked rather than copied.
Answer: Linked
Question 6. The full path to a file or resource is called a URL.
Answer: URL

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Thursday, September 18, 2025

What is Sustainable develoment? Class-9 Unit-5 Ch-2:

CBSE Solutions-2025-26 ,
What is Sustainable develoment? Class-9 Unit-5 Ch-2:
Unit-5 Green Skills-I
Chapter-2 Sustainable Development and Green economy

Section A: Fill in the Blanks
Question 1: Sustainable development is a combination of two words – ______ and ______.
Answer: Sustainability and Development
Question 2: In _________, you use resources in such a way that the resources are not depleted and also are not used in such huge amounts than it is needed.
Answer: Sustainable development
Question 3: Solid waste management is an example of ______.
Answer: Sustainable practice
Question 4: A ______ is employment in any industry that contributes to preserving or restoring environmental quality in that sector and allowing for sustainable development.
Answer: Green Job
Question 5: A ______ is someone who is very concerned about the environment and therefore only purchases products that are environment friendly or eco-friendly.
Answer: Green Consumer

Section B: True or False
Question 1: Sustainable means that you can use or maintain, for example natural resources, over time.
Answer: True
Question 2: Sustainable development means that you use them judiciously without harming the environment.
Answer: True
Question 3: Good communication skills are also needed so that workers in different sectors can work together.
Answer: True
Question 4: The environment and economy are not important for us as a society.
Answer: False
Question 5: Non-renewable energy from non-renewable resources like wind, water, biomass etc. are available in large quantities and cause less pollution.
Answer: False

Section C: Short Answer Questions
Question 1: Define the term sustainable development in your own words.
Answer: Sustainable development means using natural and man-made resources wisely in a way that meets present needs without compromising the ability of future generations to meet their own needs.
Question 2: Define green jobs.
Answer: Green jobs are those kinds of employment that help to protect the environment, reduce pollution, and promote sustainable development, such as renewable energy jobs, waste management, and afforestation work.
Question 3: List the components of green economy.
Answer: The main components of a green economy are:
  • Renewable energy
  • Resource efficiency
  • Waste management
  • Green jobs
  • Environmental protection
Question 4: List five sustainable development goals (SDGs).
Answer:
  • No poverty
  • Zero hunger
  • Quality education
  • Clean water and sanitation
  • Climate action
Question 5: Why are sustainable development goals important?
Answer: Sustainable development goals are important because they provide a global framework to fight poverty, protect the planet, ensure equality, and build a sustainable future for all.

Section D: Long Answer Questions
Question 1: Why is it important to adopt sustainable development?
Answer: Sustainable development is important because it ensures that resources are used responsibly so that they do not run out for future generations. It balances economic growth, environmental protection, and social well-being. It reduces poverty, fights climate change, promotes renewable energy, and builds a healthier society.
Question 2: Why are green jobs important?
Answer: Green jobs are important because they help reduce environmental damage, create employment opportunities, and support sustainable industries. They encourage innovation in renewable energy, waste management, and eco-friendly technologies. Green jobs also improve people’s health by reducing pollution and ensure that development is environmentally balanced.
Question 3: Describe green economy.
Answer: A green economy is an economic system that aims to reduce environmental risks and ecological scarcities while improving human well-being and social equity. It promotes low carbon growth, resource efficiency, and social inclusion. In a green economy, industries and individuals focus on renewable energy, recycling, sustainable agriculture, eco-friendly transportation, and green jobs.

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