---
title: Rivers, lakes and ponds — the lesson's questions with trees and pragmatics · Biology
description: The 16 test and exam questions of lesson 10 «Rivers, lakes and ponds» 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.
---

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# Rivers, lakes and ponds

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The 16 questions of lesson 10 «Rivers, lakes and ponds» of the biology course of Mova's primary school with their options, 83 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/10-rivers-lakes-and-ponds/).

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- [t1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/10-rivers-lakes-and-ponds/t1/) — «piranhas eat a whole cow in like 5 seconds, seen it in a cartoon» What is right? — right ✓ · ★★★
- [t2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/10-rivers-lakes-and-ponds/t2/) — «cartoon otter cracking shells on its tummy in the river, cute» Which is right? — wrong ✗ · ★★★
- [t3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/10-rivers-lakes-and-ponds/t3/) — What would happen to the fish in a lake if ice sank instead of floating? — wrong ✗ · ★★★
- [t4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/10-rivers-lakes-and-ponds/t4/) — Count them: four pond skaters and two dragonflies on the pond. How many legs? — wrong ✗ · ★★★
- [t5](https://md.mova.elamur.ai/free/en/corpora/questions/biology/10-rivers-lakes-and-ponds/t5/) — Count them: three dragonflies zip past. How many wings? — wrong ✗ · ★★★
- [t6](https://md.mova.elamur.ai/free/en/corpora/questions/biology/10-rivers-lakes-and-ponds/t6/) — The school pond is going to have goldfish put in it, and great crested newts live there. What is the cleverest worry? — right ✓ · ★★★
- [t7](https://md.mova.elamur.ai/free/en/corpora/questions/biology/10-rivers-lakes-and-ponds/t7/) — «shut up, the salmon don't eat anything going up the river? how'd they jump then» Which is the best answer? — right ✓ · ★★★
- [t8](https://md.mova.elamur.ai/free/en/corpora/questions/biology/10-rivers-lakes-and-ponds/t8/) — «beaver's teeth'd get worn down to nothing chewing trees» What is right? — right ✓ · ★★★
- [t9](https://md.mova.elamur.ai/free/en/corpora/questions/biology/10-rivers-lakes-and-ponds/t9/) — «found a newt, gonna take it home to me own pond» What is right in the UK? — right ✓ · ★★★
- [t10](https://md.mova.elamur.ai/free/en/corpora/questions/biology/10-rivers-lakes-and-ponds/t10/) — «dragonfly larva got my tadpole, bloody vicious, kill it» Which is the best answer? — wrong ✗ · ★★★
- [t11](https://md.mova.elamur.ai/free/en/corpora/questions/biology/10-rivers-lakes-and-ponds/t11/) — «muddy river after the storm, did someone dump paint in it» Which is the best answer? — right ✓ · ★★★
- [t12](https://md.mova.elamur.ai/free/en/corpora/questions/biology/10-rivers-lakes-and-ponds/t12/) — «a mussel 100 years old? older than my great-gran» What is right? — right ✓ · ★★★
- [e1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/10-rivers-lakes-and-ponds/e1/) — Which of the following statements most accurately characterises the survival of fish beneath the ice of a frozen lake? — right ✓ · exam
- [e2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/10-rivers-lakes-and-ponds/e2/) — Identify the principal purpose of the dam constructed by the beaver. — right ✓ · exam
- [e3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/10-rivers-lakes-and-ponds/e3/) — Select the response consistent with the established facts concerning the diet of red-bellied piranhas. — right ✓ · exam
- [e4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/10-rivers-lakes-and-ponds/e4/) — Ascertain the aggregate number of legs possessed by five pond skaters and one dragonfly. — wrong ✗ · exam

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