All questions of November Week 2 for Class 6 Exam

Value addition refers to the process of transforming raw materials into finished products with higher value. This process increases the economic worth of the materials through skills, labor, and other inputs.

Starting at Floor -2 and moving up 3 floors brings you to Floor +1.

Running a home-based business is an economic activity because it involves producing goods or services that are sold for money, generating income for the household.

Starting at Floor 0, pressing the '+' button twice will take you up two floors, which brings you to Floor +2.

Moving from +4 to -1 involves moving 5 steps to the left, so the result is -5.

Understanding Non-Renewable Resources
Non-renewable resources are natural resources that cannot be replenished within a human timescale. Once depleted, they are gone for millions of years.
What is Coal?
- Coal is a fossil fuel formed from the remains of ancient plants and animals.
- Over millions of years, heat and pressure transformed these remains into the carbon-rich substance we know as coal.
Formation Process
- The process begins with the accumulation of plant matter in swampy areas.
- As layers of sediment build up, the plant material is buried and subjected to extreme heat and pressure.
- This transformation process is known as coalification, leading to different types of coal (anthracite, bituminous, sub-bituminous, and lignite).
Importance of Coal
- Coal is a major source of energy worldwide, used primarily for electricity generation and industrial processes.
- It is a significant contributor to carbon emissions, making it a topic of environmental concern in the context of climate change.
Comparison with Other Options
- Solar energy, freshwater, and wind energy are all renewable resources. They can be replenished naturally within a short timeframe.
- In contrast, coal, being a fossil fuel, takes millions of years to form, thus categorizing it as non-renewable.
Conclusion
Understanding that coal is a non-renewable resource formed from ancient organic matter highlights its importance and the need for sustainable energy alternatives.

Introduction to the Chipko Movement
The Chipko Movement, which began in the 1970s in India, is a significant environmental movement that aimed to protect trees and forests from deforestation.
Background of the Movement
- The movement emerged in response to the increasing rates of deforestation in the Himalayas for commercial purposes.
- Local communities, particularly women, recognized the importance of trees for their livelihoods and the environment.
Women’s Role in the Chipko Movement
- Women were pivotal in the Chipko Movement, showcasing their determination to protect their natural resources.
- They physically hugged trees to prevent them from being cut down, symbolizing their commitment to conservation.
Key Events
- The first major event occurred in 1973 in the village of Reni, Uttarakhand, where women embraced trees threatened by logging.
- Their efforts garnered national attention and inspired similar movements across India.
Impact of the Chipko Movement
- The movement successfully led to a ban on tree felling in certain areas and heightened awareness about environmental conservation.
- It empowered local communities, especially women, by giving them a voice in environmental issues.
Legacy of the Chipko Movement
- The Chipko Movement is considered a pioneer in grassroots environmental activism.
- It has inspired global environmental movements, highlighting the importance of sustainable practices and community involvement.
The Chipko Movement stands as a remarkable example of how local communities can unite to protect their environment, demonstrating the power of collective action, especially by women.

Non-economic activities are done out of love, care, gratitude, or respect and do not involve monetary gain. Examples include parents cooking for their family or volunteering in the community.

Using wood to build furniture is an example of value addition because it involves transforming raw materials (wood) into a finished product (furniture) with higher economic value through skilled labor and craftsmanship.

The primary purpose of non-economic activities is to fulfill personal and social needs without monetary gain. These activities are motivated by love, care, and social responsibility.

Working in a factory for a wage is an economic activity because it involves providing labor in exchange for monetary compensation, contributing to the economic productivity and income of the individual.

Importance of Conserving Forests
Forests play a crucial role in maintaining ecological balance and supporting biodiversity. One of the primary reasons for conserving forests is their importance in providing shelter for wildlife.
Wildlife Habitat
- Forests serve as a natural habitat for a vast array of species, including mammals, birds, insects, and plants.
- They provide food, shelter, and breeding grounds essential for the survival of many species.
- Deforestation disrupts these habitats, leading to loss of biodiversity and endangerment of wildlife.
Ecological Balance
- Forests maintain ecological balance by supporting various life forms and promoting healthy ecosystems.
- They contribute to the food web, where each species plays a role in the survival of others.
- The loss of forests results in imbalances, often leading to the extinction of vulnerable species.
Climate Regulation
- Forests act as carbon sinks, absorbing carbon dioxide and helping to mitigate climate change.
- They regulate local and global climates by influencing rainfall patterns and temperatures.
- Conserving forests is vital in combating global warming and maintaining environmental stability.
Water Cycle
- Forests play a significant role in the water cycle, helping to maintain groundwater levels and reduce soil erosion.
- They enhance water quality by filtering pollutants and preventing sedimentation in rivers and lakes.
In conclusion, conserving forests is essential not only for providing shelter to wildlife but also for maintaining ecological integrity, regulating climate, and ensuring a healthy water cycle. Protecting these vital ecosystems is crucial for the survival of both wildlife and human populations.

Volunteering at a community kitchen is a non-economic activity because it is done without expecting monetary compensation. Such activities contribute to social welfare and personal satisfaction.

Adding -3 and +5, we subtract 3 from 5, resulting in +2.

Spending ₹120 from ₹100 leaves you with a balance of ₹-20.

Understanding Solar Panels
Solar panels are devices that convert sunlight into usable energy, primarily electricity. Here’s a detailed explanation of their main use:
How Solar Panels Work
- Solar panels are made up of photovoltaic (PV) cells that capture sunlight.
- When sunlight hits these cells, it creates an electric current through the photovoltaic effect.
- This electricity can then be used to power homes, schools, and businesses.
Primary Purpose: Generating Electricity
- The main function of solar panels is to generate electricity, making option 'B' the correct answer.
- This electricity can be used for various applications, including lighting, heating, and powering appliances.
Environmental Benefits
- Solar energy is renewable and reduces reliance on fossil fuels.
- By generating electricity from sunlight, solar panels help decrease greenhouse gas emissions, contributing to a cleaner environment.
Other Uses of Solar Energy
- Although solar panels primarily generate electricity, solar technology can also be used for heating water (solar water heaters) and in solar cookers for cooking food.
- However, these applications are secondary compared to the widespread and primary use of generating electricity.
Conclusion
- In summary, while solar panels can support various functions, their main use is to harness solar energy to generate electricity, making option 'B' the best answer. This technology not only provides a sustainable energy source but also helps in reducing environmental impacts.

Payment in kind is considered an economic activity because it involves the exchange of goods or services for items of monetary value, even if it does not involve cash. This form of payment still generates economic value for the parties involved.

Moving 5 floors down from +3 will take you to Floor -2.

Nitrogen, making up 78% of the atmosphere, is relatively inert and does not support combustion or respiration directly.

Selling vegetables in the market is an economic activity because it involves the exchange of goods for money, generating income for the seller. Economic activities are those that provide monetary value.

The temperature drops by 8°C, moving from +5°C to -3°C.

The additive inverse of +7 is -7 because their sum is zero.

Teaching in a school is considered an economic activity because teachers receive a salary or fees for their professional services, contributing to their income and the economic value of education.

+3 is greater than -2 because positive numbers are always greater than negative numbers.