E6 Unit 3 Overfishing and its solutions 3.2

1. Which of the following is the most destructive fishing method?

• A. Blast fishing

• B. Bottom trawling

• C. Purse seining

• D. Gill netting

2. Dolphins are common bycatch species of gill netting.

• A. True

• B. False

3. Which of the following descriptions about bycatch is INCORRECT?

• A. It refers to non-target marine life.

• B. It is caught accidentally.

• C. It is always killed and thrown out.

• D. It can be sold at high price.

4. Overfishing forces fishermen to fish ___________ the food chain.

• A. up

• B. down

5. Which of the following is NOT an impact of overfishing on the marine ecosystem?

• A. Destruction of habitats

• B. Extinction of certain species

• C. Increase in the number of young fish

• D. Disturbance to the food web