NCERT Class 7 Geography — Chapter 2: Life in the Deserts

Consider the following statements regarding the general characteristics of deserts: 1. They are characterized by low rainfall and scanty vegetation. 2. They are always associated with extremely high temperatures. 3. Agriculture is impossible in desert areas even if water is available. Which of the statements given above is/are correct?

With reference to the Sahara Desert, consider the following statements: 1. It covers a large part of North Africa. 2. It touches exactly three countries. 3. Its total area is more than double the area of India. Which of the statements given above is/are correct?

Consider the following statements regarding the physical landscape of the Sahara Desert: 1. It consists solely of vast stretches of sand dunes. 2. It includes gravel plains and elevated plateaus with bare rocky surfaces. 3. Some rocky surfaces in the desert can be more than 2500m high. Which of the statements given above is/are correct?

Which of the following evidence suggests that the Sahara Desert was once a lush green plain?

With reference to the climate of the Sahara Desert, consider the following statements: 1. The moisture evaporates faster than it accumulates. 2. The sky is typically overcast with heavy clouds. 3. Nights remain hot with temperatures staying above 30°C. Which of the statements given above is/are correct?