Junior Geography (3E) Part 8: Oceans in trouble

Which of the comparisons between oceans and seas is correct?

• A

• B

• C

• D

Which of the following energy resources can be found under the seabed?

1 Oil

2 Tides

3 Natural gas

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

The photograph shows the fish catch of a fishing vessel. Which of the following descriptions about the fish catch shown are correct?

1 Unwanted species are caught.

2 It is obtained by bottom trawling.

3 Catching fish in this way is not sustainable.

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

The photograph shows a way of producing fish in the sea. Which of the following descriptions about the human activity are correct?

1 Its importance has been increasing.

2 This helps conserve wild fish stocks.

3 The fish produced in this way is more than the fish caught in the wild.

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

The figure shows a news clipping about a government policy of Hong Kong. Which descriptions about the government policy are correct?

1 It provides a suitable site for scientific study.

2 It is a measure to conserve marine habitats.

3 It provides a designated fishing ground for the people.

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

The photograph shows a label printed on a seafood product. Which of the following descriptions about the seafood products with such label is/are correct?

1 The products are safe to eat.

2 The products are usually sold at low prices.

3 Choosing these products helps conserve the biodiversity in the oceans.

• 1 only

• 3 only

• 1 and 2 only

• 2 and 3 only

The figure shows an incident and a simplified ecosystem in the sea. How will the ecosystem be affected by the incident?

1 It is easier for plant plankton to produce its own food.

2 Many sea turtles may take in the oil in the sea and die.

3 The whole ecosystem will collapse as there is less food supply for the marine animals.

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

Which of the following are the socio-economic problems caused by marine pollution to coastal communities?

1 Threaten the food supply

2 Badly hit the fishery industry

3 Increase the medical burden of society

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

The photograph shows an ocean problem. How can we tackle the ocean problem at its roots?

1 Use alternatives to single-use plastic goods

2 Use single-use plastic goods that can be easily decomposed

3 Educate the public about the harmful effects of plastic waste on the oceans

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

Which of the following are the difficulties in achieving international cooperation to save the oceans?

1 The problem of overfishing is less serious in less developed countries.

2 There is often no penalty for not achieving the goals in international agreements.

3 Some less developed countries may not be able to afford the cost of enforcement of fishery regulations.

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3