International Date Line

The International Date Line (IDL) is an imaginary line on the Earth’s surface that primarily runs along the 180° longitude, separating two consecutive calendar dates.
Yellow Revolution

The Yellow Revolution refers to India’s efforts to increase the production of edible oils, particularly from oilseeds, to achieve self-sufficiency and reduce dependency on imports.
Parallelism of the Earth’s axis

The concept of the parallelism of the Earth’s axis refers to the constant alignment of Earth’s axis in a fixed direction in space.
Green Revolution

The Green Revolution refers to the period in the 1960s and 1970s when India transformed its agricultural practices, shifting from traditional farming to modern techniques to increase crop production.
Earth’s Revolution

Earth’s revolution is the movement of our planet around the Sun in an elliptical orbit. This revolution takes approximately 365.25 days to complete and, combined with Earth’s axial tilt
Rainbow Revolution

The Rainbow Revolution is a collective term that represents India’s multi-dimensional approach to achieving self-sufficiency and boosting productivity in agriculture and allied sectors.
Bt cotton UPSC

Bt cotton is a genetically modified (GM) cotton variety engineered to be resistant to certain insect pests, especially the bollworm.
Cloning Technology UPSC

Cloning technology involves creating identical copies of a biological entity through biological processes, cell culture, or artificial techniques.
Earth Rotation

Understanding the Earth’s rotation is fundamental for UPSC aspirants, as it plays a significant role in various aspects of geography, climatology, and even timekeeping.
Inner Structure of Earth

Understanding the Earth’s inner structure is fundamental in geology and geophysics, playing a crucial role in various natural phenomena like earthquakes, volcanic eruptions, and plate tectonics.