This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Convention On Biodiversity – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Convention On Biodiversity Quiz 3 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... This activity destroyed much of the forested land and returned other forests to an earlier successional stage, which resulted in the loss of certain animal and plant species. A) Floods. B) Timber cutting. C) Deforestation. D) Fires. Show Answer Correct Answer: C) Deforestation. 2. Cryopreservation also known as A) Refrigeration. B) Freeze preservation. C) Cooling. D) None of above. Show Answer Correct Answer: B) Freeze preservation. 3. The concept of ..... (BR) was launched in 1975 A) Biodiversity Rain. B) Biosphere Retention. C) Biological Reservation. D) Biosphere Reserves. Show Answer Correct Answer: D) Biosphere Reserves. 4. ..... species is a non-native plant/animal introduced accidentally or intentionally by humans A) Threatened. B) Extinct. C) Endangered. D) Invasive (exotic). Show Answer Correct Answer: D) Invasive (exotic). 5. Red list contains data or information on: A) Threatened species. B) Marine vertebrates only. C) All economically important plants. D) Plants whose products are in international trade. Show Answer Correct Answer: A) Threatened species. 6. Which is the highest level of biodiversity? A) Species diversity. B) Ecosystem diversity. C) Increases toward the poles. D) Genera diversity. Show Answer Correct Answer: B) Ecosystem diversity. 7. Tropical environments, unlike temperate ones are A) Less seasonal. B) Relatively more constant. C) Predictable. D) All. Show Answer Correct Answer: D) All. 8. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity is called a A) Debt-for-nature swap. B) Wildlife corridor. C) Conservation concession. D) Species Survival Plan. Show Answer Correct Answer: A) Debt-for-nature swap. 9. The number of species in a given area is known as. A) Species cuteness. B) Species richness. C) Species quickness. D) Species evenness. Show Answer Correct Answer: B) Species richness. 10. Which of the following is not a level of bioidiversity? A) Ecosystem. B) Population. C) Genetic. D) Specie. Show Answer Correct Answer: B) Population. 11. Several things influence the genetic diversity of a population such as ..... A) Mutations. B) Migration. C) Population Size. D) All of the others. Show Answer Correct Answer: D) All of the others. 12. The direct threats of invasive species are listed below except A) Changing the niche of native species. B) Preying on native species. C) Outcompeting native species. D) Spreading disease to native species. Show Answer Correct Answer: A) Changing the niche of native species. 13. Which US president created the EPA? A) Richard Nixon. B) John F. Kennedy. C) George Bush. D) Barack Obama. Show Answer Correct Answer: A) Richard Nixon. 14. Water Hyacinth is a plant that can cover lakes and ponds entirely, affect water flow, and block sunlight from reaching native aquatic plants which often die. It is an example of A) Endemic species. B) Keystone species. C) Invasive species. D) Native species. Show Answer Correct Answer: C) Invasive species. 15. Biologists put extra effort into protecting these because they have many species living in them. A) Biodiversity Hotspots. B) Conservation stations. C) Farms. D) Cities. Show Answer Correct Answer: A) Biodiversity Hotspots. 16. Which of the following is NOT a reason for preserving biodiversity A) Discovering new chemical that can be used in industries. B) Preventing natural evolution. C) Isolating genetic material so it can be incorporated into existing crops. D) Supplementing the world's food supply through agriculture. Show Answer Correct Answer: B) Preventing natural evolution. 17. What is the main cause for the spread of invasive species? A) Wind dispersal. B) Human means. C) Air pollution. D) Global warming. Show Answer Correct Answer: B) Human means. 18. Decline in the population of Indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be categorised as A) Over exploitation. B) Alien species invasion. C) Co-extinction. D) Habitat fragmentation. Show Answer Correct Answer: B) Alien species invasion. 19. Which agency or department enforces the Clean Water Act? A) Environmental Protection Agency. B) Department of Interior. C) Department of Agriculture. D) National Oceanic and Atmospheric Administration. Show Answer Correct Answer: A) Environmental Protection Agency. 20. Which statement best explains how natural selection occurs? A) When adaptations help an organism reproduce and survive. B) When organisms are geographically isolated. C) When an organism's offspring grow vestigial structures. D) When characteristics from the parent organism are inherited. Show Answer Correct Answer: A) When adaptations help an organism reproduce and survive. 21. Low reproduction rate and habitat loss threatens A) Biodiversity. B) Hunting. C) Animals. D) Global warming. Show Answer Correct Answer: A) Biodiversity. 22. What is the main difference between primary and secondary ecological succession? A) Primary begins WITHOUT soil; Secondary begins WITH soil. B) Primary is the first state and secondary is the second stage. C) Primary builds plant community; secondary builds animal community. D) Primary begins WITH soil; Secondary begins WITHOUT soil. Show Answer Correct Answer: A) Primary begins WITHOUT soil; Secondary begins WITH soil. 23. A species of trout needs a pH of 8.0 to 8.2 to suruvive. This species is considered a A) Niche specialist. B) Niche engineer. C) Niche fundamentalist. D) Niche generalist. Show Answer Correct Answer: A) Niche specialist. 24. ..... is an example of biodiversity with different communities where organisms live close A) Biotic. B) Ecosystem. C) Population. D) Abiotic. Show Answer Correct Answer: B) Ecosystem. 25. Which of the following is not a type of habitat destruction? A) Habitat degradation. B) Habitat fragmentation. C) Habitat loss. D) Habitat expansion. Show Answer Correct Answer: D) Habitat expansion. 26. The disappearance of a particular population from a given area, but not of the entire species globally, is called A) Extirpation. B) Extinction. C) Poaching. D) Fragmentation. Show Answer Correct Answer: A) Extirpation. 27. The most effective way to protect biodiversity is through ..... A) Habitat fragmentation. B) Habitat destruction. C) Habitat preservation. D) None of above. Show Answer Correct Answer: C) Habitat preservation. 28. Which of the following would NOT be considered as an example of a benefit from more biodiversity? A) Crop protection. B) Ecotourism. C) Water pollution. D) Better ecosystem health. Show Answer Correct Answer: C) Water pollution. 29. Why are invasive species a threat to biodiversity? A) They can outcompete native organisms for their resources. B) They can cause harm to the environment. C) They can be harmful to humans. D) All statements are true. Show Answer Correct Answer: D) All statements are true. 30. Which of the following international treaties bans the hunting, capture, and sale of threatened or endangered species in 181 countries? A) The Convention on International Trade in Endangered Species (CITIES). B) National Enviornmental Policy Act (NEPA). C) The Marine Mammal Protection Act. D) Endangered Species Act (ESA). E) The National Marine Fisheries Act. Show Answer Correct Answer: A) The Convention on International Trade in Endangered Species (CITIES). ← PreviousNext →Related QuizzesPaper 1 QuizzesUgc Net QuizzesConvention On Biodiversity Quiz 1Convention On Biodiversity Quiz 2Convention On Biodiversity Quiz 4Convention On Biodiversity Quiz 5Convention On Biodiversity Quiz 6Convention On Biodiversity Quiz 7Convention On Biodiversity Quiz 8Convention On Biodiversity Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books