Consider the following statements about the types of drought in India: 1. A meteorological drought occurs when the mean annual rainfall is less than 75%. 2. Agricultural drought arises out of extreme moisture stress. 3. Soil moisture drought is related to meteorological drought. Which of the statements given above are correct?

Consider the following statements: 1. In a seismograph, P waves recorded earlier than S waves. 2. In P waves, the individual particles vibrate to and fro in the direction of wave propagation whereas…

Consider the following statements with reference to Secondary waves (S-Waves) generated during an earthquake : 1. They create troughs and crests in the material through which they pass. 2. The direct…

Which of the following statements in respect of landslides are correct? 1. These occur only on gentle slopes during rain. 2. They generally occur in clay-rich soil. 3. Earthquakes trigger landslides.

Consider the following statements : 1. The Richter scale is a logarithmic scale and so an increase of 1 magnitude unit represents a factor of 10 in amplitude. 2. Each integer reading of the Richter s…

Which of the following statements with reference to L-Wave or Long Wave generated by an earthquake is/are correct? 1. They follow the Earth's circumference 2. They travel at more or less at a constan…