--- title: China's great rivers: the finless porpoise, the lost baiji… — the lesson's questions with trees and pragmatics · Biology description: The 15 test and exam questions of lesson 379 «China's great rivers: the finless porpoise, the lost baiji, Chinese alligators and sturgeon» of the biology course of Mova's primary school, each with its options, Mova's choice and the right answer, every sentence with its dependency tree and pragmatics --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/) / China's great rivers: the finless porp… # China's great rivers: the finless porpoise, the lost baiji, Chinese alligators and sturgeon The 15 questions of lesson 379 «China's great rivers: the finless porpoise, the lost baiji, Chinese alligators and sturgeon» of the biology course of Mova's primary school with their options, 79 sentences, every one parsed by Mova with its syntax tree and pragmatics. How the student did on them: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/). - [t1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/t1/) — Count them: a survey boat sees 3 finless porpoises and 2 dolphins from the sea. How many back fins? — wrong ✗ · ★★ - [t2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/t2/) — Count them: there are 2 kinds of alligator. How many kinds live in China? — right ✓ · ★★ - [t3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/t3/) — Count them: a fishing ban starts in 2021 and lasts 10 years. In which year does it end? — wrong ✗ · ★★ - [t4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/t4/) — In a cartoon a river dolphin looks for fish with big shining eyes. What is right about the baiji? — wrong ✗ · ★★ - [t5](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/t5/) — «the porpoise isn't even caught, so why would a fishing ban help it» What is right? — wrong ✗ · ★★ - [t6](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/t6/) — How would you find your way if loud engine noise filled your ears and you used sound to see? — wrong ✗ · ★★ - [t7](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/t7/) — «dams are clean power so they're all good, end of» What is the careful answer? — wrong ✗ · ★★ - [t8](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/t8/) — What could have been done 30 years earlier to save the baiji? — right ✓ · ★★ - [t9](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/t9/) — «chinese alligator, so it's huge like the american ones» What is right? — right ✓ · ★★ - [t10](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/t10/) — Why might a dam harm a fish that lives far downstream? — wrong ✗ · ★★ - [t11](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/t11/) — Why might noisy ships harm a porpoise even if they never hit it? — wrong ✗ · ★★ - [e1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/e1/) — Identify the principal method by which the baiji located its prey within the turbid waters of the Yangtze. — wrong ✗ · exam - [e2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/e2/) — Select the response consistent with the established facts concerning the Yangtze finless porpoise. — right ✓ · exam - [e3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/e3/) — Which of the following statements most accurately characterises the number of extant species of alligator? — right ✓ · exam - [e4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/e4/) — Ascertain the principal cause of the decline of the Chinese sturgeon, as presented in this lesson. — right ✓ · exam - ← previous: [378. China's mountains: golden snub-nosed monkeys, ta…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/378-china-s-mountains-golden-snub-nosed-monkeys-takins-red-crowned-cranes-and-giant-salamanders/) - next →: [380. China's plants: bamboo, ginkgo, lotus, tea and r…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/380-china-s-plants-bamboo-ginkgo-lotus-tea-and-rice-paddies/) - ↑ back to [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/)