1. Consider the following statements regarding the Andaman and Nicobar Islands: 1. The Andaman and Nicobar Islands are separated from the Indian mainland by the Bay of Bengal. 2. Barren Island is India's only active volcano. 3. Narcondam Island is of volcanic origin but does not have an active volcano. 4. The southernmost point of India is Indira Point, located in Great Nicobar Island. Which of the statements given above is/are correct?
2. Which one of the following pairs is incorrectly matched?
3. Consider the following statements regarding ocean currents in the Indian Ocean: 1. The Somali Current reverses its direction with the changing monsoon winds. 2. The Agulhas Current is a warm current flowing southward along the southeastern coast of Africa. 3. The West Australian Current is a warm current flowing southward along the western coast of Australia. Which of the statements given above are correct?
4. Which of the following best explains the occurrence of upwelling in the oceans?
5. Assertion (A): The Indian Ocean is strategically important for India because of its location between major maritime chokepoints and international sea routes. Reason (R): Important chokepoints such as the Strait of Hormuz, Bab-el-Mandeb and the Strait of Malacca connect the Indian Ocean with other major maritime regions and carry substantial volumes of global trade and energy supplies.