---
title: The platypus and the echidna: mammals that lay eggs — the lesson's questions with trees and pragmatics · Biology
description: The 15 test and exam questions of lesson 43 «The platypus and the echidna: mammals that lay eggs» 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.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/43-platypus-and-echidna/)

<!-- crumbs -->
[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/) / The platypus and the echidna: mammals…

# The platypus and the echidna: mammals that lay eggs

<!-- .vabout -->
The 15 questions of lesson 43 «The platypus and the echidna: mammals that lay eggs» 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/43-platypus-and-echidna/).

<!-- list vl: b t e -->
- [t1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/43-platypus-and-echidna/t1/) — «all mammals have live babies, that's the whole point of mammals» What is right? — wrong ✗
- [t2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/43-platypus-and-echidna/t2/) — In a cartoon, a platypus quacks and hunts with big open eyes. What would a real platypus do? — right ✓
- [t3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/43-platypus-and-echidna/t3/) — «found a platypus on the creek bank, gonna pick it up for a pic» What is the best advice? — wrong ✗
- [t4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/43-platypus-and-echidna/t4/) — A poster shows five animals, one platypus and four echidnas. What do all five share? — wrong ✗
- [t5](https://md.mova.elamur.ai/free/en/corpora/questions/biology/43-platypus-and-echidna/t5/) — «a duck bill + beaver tail?? that thing's fake mate» Why should a scientist be careful before deciding? — wrong ✗
- [t6](https://md.mova.elamur.ai/free/en/corpora/questions/biology/43-platypus-and-echidna/t6/) — Why does a platypus fill its cheek pouches before coming up? — right ✓
- [t7](https://md.mova.elamur.ai/free/en/corpora/questions/biology/43-platypus-and-echidna/t7/) — «echidnas = hedgehogs, same thing» What is right? — wrong ✗
- [t8](https://md.mova.elamur.ai/free/en/corpora/questions/biology/43-platypus-and-echidna/t8/) — What would happen if a mother echidna kept her puggle in the pouch after its spines grew? — right ✓
- [t9](https://md.mova.elamur.ai/free/en/corpora/questions/biology/43-platypus-and-echidna/t9/) — In a game, a platypus hatches from an egg and its mother feeds it worms. What is wrong? — right ✓
- [t10](https://md.mova.elamur.ai/free/en/corpora/questions/biology/43-platypus-and-echidna/t10/) — Why does a cooler echidna body need less food? — right ✓
- [t11](https://md.mova.elamur.ai/free/en/corpora/questions/biology/43-platypus-and-echidna/t11/) — A kangaroo and a platypus are both mammals. How are their babies different? — right ✓
- [e1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/43-platypus-and-echidna/e1/) — Which of the following statements most accurately characterises the monotremes? — wrong ✗ · exam
- [e2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/43-platypus-and-echidna/e2/) — Identify the principal means whereby the platypus locates its prey beneath the water. — right ✓ · exam
- [e3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/43-platypus-and-echidna/e3/) — Select the response consistent with the established facts concerning the spines of the echidna. — right ✓ · exam
- [e4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/43-platypus-and-echidna/e4/) — Ascertain the number of species of egg-laying mammals presently extant. — wrong ✗ · exam

<!-- pn -->
- ← previous: [42. The capybara: the calmest animal, friend of croc…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/42-the-capybara/)
- next →: [44. The axolotl, the tardigrade and the mantis shrimp](https://md.mova.elamur.ai/free/en/corpora/questions/biology/44-axolotl-tardigrade-mantis-shrimp/)
- ↑ back to [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/)

