Need for Conservation of Marine Resources

Q. Which of the following statements is/are true about ocean acidification?

1. Oceans act as nature's carbon sink and abosrbs huge amount of carbon dioxide.
2. The pH of ocean water has been increasing over the years.
3. Certain marine species like algae and seaweed are likely to benefit due to high carbon dioxide levels.
4. Marine calcifying species will suffer and their numbers will decrease due to ocean acidification.

Q. Which among the following statements is/are true with reference to ocean circulation?

1. The movements of ocean currents regulate Earth's climate by transporting heat and carbon.
2. Ocean currents are only located on the ocean surface.
3. The ocean circulation system is powered only by wind.
4. Density differences in ocean water contribute to a global-scale circulation system called the global conveyor belt.

Q. Which of the following is/are the major setbacks to conserve the marine environment?

1. Sea tides
2. Loss of habitat
3. Water contamination through toxic substances
4. Climate change

Q. Which of the following are different ways to conserve marine resources?

1. Reduce carbon footprint
2. Reduce the use of non-biodegradable plastics
3. Avoid purchasing items that exploit marine life
4. Reduce overseas trade

Q. Which of the following are major setbacks for the marine environment?

1. Sea tides
2. Loss of habitat
3. Water contamination
4. Climate change