This quiz works best with JavaScript enabled. Home > Aquaculture > Principles Of Aquaculture – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Principles Of Aquaculture Quiz 2 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What type of facility/area is used for harvesting fish the fastest? A) Pond. B) Fish tank. C) Hatchery. D) Lake. Show Answer Correct Answer: B) Fish tank. 2. Besides producing food, aquaculture can also be used for A) Boosting numbers of wild fish for recreational fishing coral. B) Restoring threatened and endangered species. C) Providing ornamental fish. D) All of these options. Show Answer Correct Answer: D) All of these options. 3. Perth falls into which Bioregion? A) Gascoyne. B) West Coast. C) North Coast. D) South Coast. Show Answer Correct Answer: B) West Coast. 4. The ..... determines the amount of dirt that has to be moved during pond construction. A) Freeboard. B) Geography. C) Topography. D) Flow rate. Show Answer Correct Answer: C) Topography. 5. The first step in determining the cause of a spike in ammonia levels in an aquaculture system is: A) Check the water level in the tank. B) Examine the biofilter. C) Inspect the production tank. D) Look for foreign material in the tank. Show Answer Correct Answer: B) Examine the biofilter. 6. Raising & harvesting of fresh & saltwater plants & animals A) Crustacean. B) Aquaculture. C) Fish. D) Capture. Show Answer Correct Answer: B) Aquaculture. 7. These are used for securing bottom end of perimeter. A) Sliding board. B) Stone sinkers. C) Wood post. D) Digging blade. Show Answer Correct Answer: B) Stone sinkers. 8. Circulation is the process of a liquid passing through a filter. A) False, Percolation. B) False, Recirculation. C) True. D) False, Measuring. Show Answer Correct Answer: A) False, Percolation. 9. What change would best aid a farmer in making the transition from traditional farmer to sustainable farming? A) Irrigate the crops using well water. B) Rotate the types of crops grown. C) Plant only genetically modified crops. D) Reduce the ratio of essential elements in the fertilizer. Show Answer Correct Answer: B) Rotate the types of crops grown. 10. Which fish have a smooth skin instead of scales that covers their body? A) Tilapia. B) Carp. C) Catfish. D) Trout. Show Answer Correct Answer: C) Catfish. 11. Aquatic arthropods with modified appendages Ex:Lobster A) Fish. B) Crustacean. C) Shellfish. D) Aquatic plants. Show Answer Correct Answer: B) Crustacean. 12. Sexes of mud crabs are separate and it can be distinguished based on the shape of abdominal flap, A) Adductor muscle. B) Thelycum. C) Abdominal flap. D) Eye stalk. Show Answer Correct Answer: C) Abdominal flap. 13. What activities are restricted in marine reserves? A) Swimming. B) Diving. C) Commercial Fishing. D) Filming and Taking pictures. Show Answer Correct Answer: C) Commercial Fishing. 14. Used to form a shallow, segregated area of water. A) Reef. B) Marsh. C) Nets. D) Everglades. Show Answer Correct Answer: C) Nets. 15. Scientific name of spiny lobster A) Panulirus polyphagus. B) Thenus orientalis. C) Panulirus homarus. D) Panulirus ornatus. Show Answer Correct Answer: C) Panulirus homarus. 16. Which of the following are harmful effects of agriculture? A) Algal blooms due to fertilizer runoff. B) Climate change associated with methane emissions from livestock and rice paddies. C) Pesticide residue in food, water, and air. D) All of the above. Show Answer Correct Answer: D) All of the above. 17. First larval stage of penaeus monodon A) Zoea. B) Mysis. C) Nauplius. D) Metazoea. Show Answer Correct Answer: C) Nauplius. 18. This pump is the second-most efficient emergency aeration device. A) Paddlewheel. B) Relift. C) Re-oxygenator. D) Diffused air systems. Show Answer Correct Answer: B) Relift. 19. Which of the following colors on a safety label indicates a health hazard? A) Red. B) Blue. C) Yellow. D) White. Show Answer Correct Answer: B) Blue. 20. ..... aerators use low-pressure air blowers that force air through stones to release air bubbles at the pond bottom or several feet below the water surface. A) Diffused air systems. B) Paddlewheel. C) Relift. D) Bubble. Show Answer Correct Answer: A) Diffused air systems. ← PreviousNext →Related QuizzesPrinciples Of Aquaculture Quiz 1Principles Of Aquaculture Quiz 3Principles Of Aquaculture Quiz 4Principles Of Aquaculture Quiz 5Principles Of Aquaculture Quiz 6Principles Of Aquaculture Quiz 7Principles Of Aquaculture Quiz 8Aquaculture And Fish Farming QuizAquaculture Systems QuizAquaculture Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books