Importance of Oceans and Its Marine Resources

Q. The biotic and abiotic resources found in the oceanic water and at the bottom are called _________ resources.

1. marine
2. ocean
3. oceanic water
4. water

Q. Alluvial fans are suitable for agriculture.

1. True
2. False

Q. Which among the following statements is/are true about ocean warming?

1. The ocean absorbs most of the excess heat from greenhouse gas emissions, leading to rising ocean temperatures.
2. The ocean’s ability to absorb excess heat has shielded humans from more extreme changes in climate untill now.
3. Ocean warming leads to oxygenation which increases the amount of oxygen available for marine life.
4. The rise in sea surface temperatures is causing the intensification of El Niño events.

Q. Which of the following are the uses of the oceans?

1. Extraction of minerals
2. Medicines
3. Generation of electricity
4. Habitation for human