GK FOR SSC CGL 2024 | PYQ SERIES PART 4 | LEC-5 | PARMAR SSC
PARMAR SSC・2 minutes read
The session covers the fifth lecture of the GK Pwai K series, with tests now taking place weekly on the Parmar Academy website, while also discussing significant historical and scientific concepts including the Harappan Civilization and key inventions. Additionally, it provides data on India's population growth from 2001 to 2011 and highlights notable achievements like the Chandrayaan mission landing on the Moon.
Insights
- The Harappan Civilization, which thrived from 2500 BC to 1750 BC, is notable for its advanced urban planning, characterized by a grid structure, drainage systems, and significant architectural features like the Citadel, where the ruling class resided, while common people lived in the lower town. Key archaeological sites such as Dholavira and Lothal highlight the civilization's ingenuity, with Dholavira known for its large water reservoir and Lothal recognized for its dockyards.
- In the realm of scientific advancements, notable figures like Galileo Galilei, who discovered Jupiter's four largest moons, and Johannes Kepler, who formulated the laws of planetary motion, have significantly shaped our understanding of the universe. Additionally, contemporary global environmental efforts are underscored by agreements such as the Montreal Protocol, which aims to phase out harmful substances affecting the ozone layer, showcasing the ongoing commitment to addressing climate change and environmental protection.
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Recent questions
What is the Harappan Civilization?
The Harappan Civilization, also known as the Indus Valley Civilization, was an ancient urban culture that thrived from approximately 2500 BC to 1750 BC in what is now Pakistan and northwest India. It is renowned for its advanced urban planning, which included a grid structure and sophisticated drainage systems. The civilization featured prominent architectural elements, such as the Citadel, which was situated at a higher altitude and served as a residence for the ruling class, while the lower town housed common people. Notable sites like Dholavira, known for its large water reservoir, and Lothal, recognized for its dockyards, highlight the civilization's ingenuity. The Harappan Civilization is significant for its contributions to urban development and social organization in ancient history.
How does the Kyoto Protocol work?
The Kyoto Protocol is an international treaty established in 1997 aimed at combating climate change by reducing greenhouse gas emissions. It sets binding obligations on developed countries to reduce their emissions, recognizing that they are historically responsible for the majority of emissions. The protocol operates on a system of emissions trading, allowing countries to buy and sell emission allowances, which provides flexibility in how they meet their targets. Additionally, it encourages the development of clean technologies and sustainable practices. The Kyoto Protocol represents a significant step in global efforts to address climate change, fostering international cooperation and accountability among nations.
What is the significance of the Beating Retreat Ceremony?
The Beating Retreat Ceremony is a ceremonial event held annually on January 29 in New Delhi, India, marking the end of Republic Day celebrations. It features a display of military bands and a parade, showcasing the discipline and precision of the armed forces. The ceremony symbolizes the transition from war to peace, as the retreat signifies the end of hostilities. The event is steeped in tradition, with the music played during the ceremony often including patriotic songs and military tunes. It serves not only as a tribute to the armed forces but also as a celebration of India's sovereignty and unity, drawing large crowds and fostering national pride.
What are the main features of the fluid mosaic model?
The fluid mosaic model is a widely accepted theory that describes the structure of cell membranes. Proposed by Singer and Nicholson, it depicts the membrane as a dynamic and flexible layer composed of a phospholipid bilayer with embedded proteins, cholesterol, and carbohydrates. The "fluid" aspect refers to the ability of lipids and proteins to move laterally within the layer, allowing for membrane flexibility and the ability to self-heal. The "mosaic" aspect highlights the diverse array of proteins that float in or on the lipid bilayer, each serving various functions such as transport, signaling, and structural support. This model is crucial for understanding cellular processes, including communication and transport across membranes.
What is the purpose of the Montreal Protocol?
The Montreal Protocol is an international treaty established in 1987 aimed at phasing out substances that deplete the ozone layer, particularly chlorofluorocarbons (CFCs) and other ozone-depleting chemicals. The protocol was created in response to scientific evidence linking these substances to the thinning of the ozone layer, which protects the Earth from harmful ultraviolet radiation. By setting legally binding targets for the reduction and eventual elimination of these substances, the Montreal Protocol has been successful in significantly reducing global emissions. Its implementation has led to the recovery of the ozone layer, demonstrating the effectiveness of international cooperation in addressing environmental issues and protecting public health.
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