What is the theme for World Earth Day to be observed on April 22, 2026?

The 'Ring of Fire' is a major area in which ocean where many earthquakes and volcanic eruptions occur?

Which of the following is the most abundant gas in the Earth's atmosphere?

Which layer of the Earth is the thinnest?

The ratio of land to water for the whole earth is 1 : 2 and in the Northern Hemisphere, it is 2 : 3. What is the ratio of land to water in the Southern Hemisphere?

Which of the following is the hardest natural substance on Earth?

Which planet is also known as the 'Earth's Twin' due to its similar size and mass?

Which planet is known as 'Earth's Twin' due to its similar size and shape?

What is the escape velocity of Earth?

Which of the following is the hardest natural substance found on Earth?

Which layer of the Earth is primarily composed of liquid iron and nickel?

Which planet is often referred to as 'Earth's Twin' due to its similar size and mass?

Which layer of the Earth's atmosphere contains the Ozone layer?

Consider the following statements about 'Mission Shakti', India's anti-satellite (ASAT) missile test: 1. It used a Kinetic Kill vehicle to destroy a live satellite in Low Earth Orbit (LEO). 2. With this test, India became the fourth nation to possess ASAT capabilities after the US, Russia, and China. Which of the statements is/are correct?

Which planet is often referred to as 'Earth's Twin'?

What is the escape velocity from the Earth's surface?

The 'Ring of Fire' is a major area in the basin of which ocean where many earthquakes and volcanic eruptions occur?

Which of the following scales is used to measure the intensity of earthquakes?

Which element is the most abundant in the Earth's crust by weight?

Which element is found in the highest percentage in the 'Earth's Crust'?