The Green Revolution in the 1960s transformed agriculture in Punjab. High-yielding seeds, chemical fertilizers, pesticides and tube well irrigation increased food production, especially of wheat and rice. Punjab became the food bowl of India, helping prevent famines. However, this success came withRead more
The Green Revolution in the 1960s transformed agriculture in Punjab. High-yielding seeds, chemical fertilizers, pesticides and tube well irrigation increased food production, especially of wheat and rice. Punjab became the food bowl of India, helping prevent famines.
However, this success came with serious long-term problems:
Monoculture: Farmers began growing mainly wheat and rice. This harmed soil health and reduced crop diversity.
Groundwater Depletion: Water-intensive rice farming led to the overuse of groundwater. Water tables dropped dangerously.
Chemical Pollution: Overuse of fertilizers and pesticides caused soil degradation and health hazards, including cancer in some regions.
Declining Yields: Over time, soil fertility fell and pests became resistant to chemicals.
Today, over 75% of Punjab’s agricultural zones are considered over-exploited. If this continues, the state may not be able to support farming in the future, affecting national food security.
Lessons for the future:
We must diversify crops to reduce dependency on water-intensive grains.
Organic and traditional methods should be promoted.
Farmers need support for water-saving technologies.
Public awareness and government policies must focus on sustainable agriculture.
Punjab’s case teaches us that while short-term gains are tempting, long-term sustainability is the real success.
For more NCERT Solutions for Class 8 Social Science Chapter 1 Natural Resources and Their Use Extra Questions & Answer:
Science impacts everyday life in countless ways. It powers the devices we use, the medicines we take and the transport we rely on. It explains how things work and makes life safer, cleaner and more efficient. Whether it’s purifying water, developing vaccines or generating electricity, science providRead more
Science impacts everyday life in countless ways. It powers the devices we use, the medicines we take and the transport we rely on. It explains how things work and makes life safer, cleaner and more efficient. Whether it’s purifying water, developing vaccines or generating electricity, science provides practical solutions to real-world problems. Its continuous progress improves our quality of life and opens new possibilities for future innovation, making it a cornerstone of modern living.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
Medicines like antibiotics and antivirals treat infections by targeting harmful bacteria or viruses, reducing their activity or eliminating them. Vaccines work differently—they expose the body to a harmless version of a germ, training the immune system to recognize and fight it in the future. This bRead more
Medicines like antibiotics and antivirals treat infections by targeting harmful bacteria or viruses, reducing their activity or eliminating them. Vaccines work differently—they expose the body to a harmless version of a germ, training the immune system to recognize and fight it in the future. This builds immunity without causing illness. Together, medicines and vaccines are vital tools in modern science, preventing and controlling disease and ensuring better public health outcomes.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
Nutritious food and exercise are essential for overall health. Food supplies the body with proteins, vitamins, minerals and energy to build tissues, maintain organs and strengthen immunity. Regular exercise keeps the heart healthy, improves blood flow, boosts metabolism and increases resistance to dRead more
Nutritious food and exercise are essential for overall health. Food supplies the body with proteins, vitamins, minerals and energy to build tissues, maintain organs and strengthen immunity. Regular exercise keeps the heart healthy, improves blood flow, boosts metabolism and increases resistance to disease. It also relieves stress and enhances mood. Together, they help the body grow, function efficiently and stay resilient against illnesses, making them key components of a healthy lifestyle.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
A healthy body depends on several factors. Nutritious food provides energy and immunity-boosting nutrients. Exercise strengthens organs and circulation. Clean water and hygiene prevent infection spread. Adequate sleep helps the body repair and grow. Additionally, vaccines prepare the body to resistRead more
A healthy body depends on several factors. Nutritious food provides energy and immunity-boosting nutrients. Exercise strengthens organs and circulation. Clean water and hygiene prevent infection spread. Adequate sleep helps the body repair and grow. Additionally, vaccines prepare the body to resist specific diseases and medicines help eliminate harmful microbes when infections occur. Together, these habits and tools support the immune system, helping the body stay strong and fight off illness effectively.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
Discuss the case of Punjab’s agricultural crisis. How did the Green Revolution impact farming practices? What are the long-term consequences and what lessons can be learned for future food security?
The Green Revolution in the 1960s transformed agriculture in Punjab. High-yielding seeds, chemical fertilizers, pesticides and tube well irrigation increased food production, especially of wheat and rice. Punjab became the food bowl of India, helping prevent famines. However, this success came withRead more
The Green Revolution in the 1960s transformed agriculture in Punjab. High-yielding seeds, chemical fertilizers, pesticides and tube well irrigation increased food production, especially of wheat and rice. Punjab became the food bowl of India, helping prevent famines.
However, this success came with serious long-term problems:
Today, over 75% of Punjab’s agricultural zones are considered over-exploited. If this continues, the state may not be able to support farming in the future, affecting national food security.
Lessons for the future:
Punjab’s case teaches us that while short-term gains are tempting, long-term sustainability is the real success.
For more NCERT Solutions for Class 8 Social Science Chapter 1 Natural Resources and Their Use Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/social-science/
See lessWhat role does science play in improving our everyday lives?
Science impacts everyday life in countless ways. It powers the devices we use, the medicines we take and the transport we rely on. It explains how things work and makes life safer, cleaner and more efficient. Whether it’s purifying water, developing vaccines or generating electricity, science providRead more
Science impacts everyday life in countless ways. It powers the devices we use, the medicines we take and the transport we rely on. It explains how things work and makes life safer, cleaner and more efficient. Whether it’s purifying water, developing vaccines or generating electricity, science provides practical solutions to real-world problems. Its continuous progress improves our quality of life and opens new possibilities for future innovation, making it a cornerstone of modern living.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessHow do medicines and vaccines help the body fight infections?
Medicines like antibiotics and antivirals treat infections by targeting harmful bacteria or viruses, reducing their activity or eliminating them. Vaccines work differently—they expose the body to a harmless version of a germ, training the immune system to recognize and fight it in the future. This bRead more
Medicines like antibiotics and antivirals treat infections by targeting harmful bacteria or viruses, reducing their activity or eliminating them. Vaccines work differently—they expose the body to a harmless version of a germ, training the immune system to recognize and fight it in the future. This builds immunity without causing illness. Together, medicines and vaccines are vital tools in modern science, preventing and controlling disease and ensuring better public health outcomes.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessHow do nutritious food and exercise contribute to health?
Nutritious food and exercise are essential for overall health. Food supplies the body with proteins, vitamins, minerals and energy to build tissues, maintain organs and strengthen immunity. Regular exercise keeps the heart healthy, improves blood flow, boosts metabolism and increases resistance to dRead more
Nutritious food and exercise are essential for overall health. Food supplies the body with proteins, vitamins, minerals and energy to build tissues, maintain organs and strengthen immunity. Regular exercise keeps the heart healthy, improves blood flow, boosts metabolism and increases resistance to disease. It also relieves stress and enhances mood. Together, they help the body grow, function efficiently and stay resilient against illnesses, making them key components of a healthy lifestyle.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See lessWhat does our body need to stay healthy and fight infections?
A healthy body depends on several factors. Nutritious food provides energy and immunity-boosting nutrients. Exercise strengthens organs and circulation. Clean water and hygiene prevent infection spread. Adequate sleep helps the body repair and grow. Additionally, vaccines prepare the body to resistRead more
A healthy body depends on several factors. Nutritious food provides energy and immunity-boosting nutrients. Exercise strengthens organs and circulation. Clean water and hygiene prevent infection spread. Adequate sleep helps the body repair and grow. Additionally, vaccines prepare the body to resist specific diseases and medicines help eliminate harmful microbes when infections occur. Together, these habits and tools support the immune system, helping the body stay strong and fight off illness effectively.
For more NCERT Solutions for Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-8/science/
See less