Management of Natural Resoureces

Management of Natural Resoureces

• Options:
  a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
  b) Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
  c) Assertion (A) is true, but Reason (R) is false.
  d) Assertion (A) is false, but Reason (R) is true.

Question 1

Assertion (A): Sustainable management of natural resources is essential for environmental protection.
Reason (R): Unsustainable practices lead to depletion of resources and environmental degradation.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: Sustainable management practices ensure that resources are used responsibly, preventing their depletion and protecting ecosystems.

Question 2

Assertion (A): Overexploitation of forests can lead to soil erosion.
Reason (R): Trees hold the soil together and prevent it from being washed away by rainwater.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: The roots of trees stabilize the soil; when forests are removed, the soil becomes loose and is more susceptible to erosion.

Question 3

Assertion (A): Rainwater harvesting is an effective method for water conservation.
Reason (R): It helps recharge groundwater levels and reduces runoff.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: Rainwater harvesting captures rainwater for reuse and helps replenish aquifers, making it a sustainable water management strategy.

Question 4

Assertion (A): The use of fossil fuels is a major contributor to environmental pollution.
Reason (R): Burning fossil fuels releases greenhouse gases and particulate matter into the atmosphere.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: The combustion of fossil fuels results in significant emissions that contribute to air pollution and climate change.

Question 5

Assertion (A): Recycling helps in the management of natural resources.
Reason (R): Recycling reduces the demand for raw materials and energy consumption.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: By recycling materials, we can conserve resources and reduce energy use, minimizing the environmental impact of resource extraction.

Question 6

Assertion (A): Sustainable fishing practices are crucial for marine biodiversity.
Reason (R): Overfishing can lead to the extinction of fish species and disruption of marine ecosystems.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: Sustainable fishing ensures that fish populations remain healthy and ecosystems remain balanced, preventing long-term damage to marine life.

Question 7

Assertion (A): Solar energy is a renewable resource.
Reason (R): Solar energy can be harnessed indefinitely without depleting the sun.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: Solar energy is abundant and can be used continuously, making it a sustainable alternative to fossil fuels.

Question 8

Assertion (A): Deforestation contributes to global warming.
Reason (R): Trees absorb carbon dioxide, a greenhouse gas, during photosynthesis.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: Removing trees reduces the capacity of forests to sequester carbon, leading to higher concentrations of CO2 in the atmosphere and contributing to global warming.

Question 9

Assertion (A): Wind energy is considered a clean source of energy.
Reason (R): Wind energy generation does not produce greenhouse gas emissions.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: Wind turbines harness wind energy to generate electricity without emitting harmful pollutants, making it an environmentally friendly energy source.

Question 10

Assertion (A): The conservation of water is crucial in agriculture.
Reason (R): Efficient water management improves crop yields and ensures food security.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: Proper irrigation and water conservation techniques enhance agricultural productivity while conserving this precious resource.

Question 11

Assertion (A): Soil conservation is vital for maintaining agricultural productivity.
Reason (R): Healthy soil provides essential nutrients and water for plant growth.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: Soil conservation practices, such as contour farming and terracing, prevent soil erosion and maintain soil fertility, essential for crop production.

Question 12

Assertion (A): Sustainable land management practices can prevent desertification.
Reason (R): Proper land use and vegetation cover help maintain soil health and moisture.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: Sustainable practices, such as crop rotation and reforestation, help retain soil moisture and prevent the degradation of fertile land into deserts.

Question 13

Assertion (A): Renewable resources can be replenished naturally.
Reason (R): Unlike non-renewable resources, renewable resources do not get depleted over time.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: Renewable resources, such as solar and wind energy, can be continuously harnessed without the risk of depletion, unlike finite resources like coal and oil.

Question 14

Assertion (A): Biomass energy is considered renewable.
Reason (R): Biomass can be replenished through the growth of organic materials.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: Biomass energy derives from organic materials that can be regrown, making it a sustainable energy source as it cycles naturally.

Question 15

Assertion (A): Environmental impact assessments (EIAs) are important for large projects.
Reason (R): EIAs evaluate potential environmental consequences and help mitigate negative impacts.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: Conducting EIAs ensures that projects are planned with environmental considerations, helping to protect ecosystems and communities.

Question 16

Assertion (A): Natural resources are often unevenly distributed across the planet.
Reason (R): Geographical and climatic conditions influence the availability of natural resources.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: Different regions have varying climates and geological features, resulting in uneven distribution of resources such as minerals, water, and fertile land.

Question 17

Assertion (A): The exploitation of natural resources should be regulated.
Reason (R): Unregulated exploitation can lead to resource depletion and environmental crises.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: Effective regulation helps ensure that resources are used sustainably, allowing for their availability for future generations and protecting the environment.

Question 18

Assertion (A): The management of natural resources involves community participation.
Reason (R): Local communities often have traditional knowledge that is valuable for resource management.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: Engaging local communities in resource management ensures that their knowledge and needs are considered, leading to more effective and sustainable practices.

Question 19

Assertion (A): Natural disasters can impact the management of natural resources.
Reason (R): Disasters can cause destruction of ecosystems and disrupt resource availability.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: Events like floods, hurricanes, or wildfires can devastate ecosystems, making it challenging to manage resources sustainably after such occurrences.

Question 20

Assertion (A): The concept of a circular economy supports resource management.
Reason (R): A circular economy emphasizes reusing and recycling materials to minimize waste.

• Answer: a) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of Assertion (A).
• Explanation: By focusing on reducing waste and encouraging resource recovery, a circular economy contributes to sustainable management of natural resources.