---
title: Which of the following statements most accurately characterises perm… — The Arctic tundra: musk oxen, arctic f… · tree and pragmatics
description: Which of the following statements most accurately characterises permafrost? Exam question 3 of lesson 168 «The Arctic tundra: musk oxen, arctic foxes, snowy owls and the truth about lemmings» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and 
---

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# Exam question 3 · The Arctic tundra: musk oxen, arctic foxes, snowy owls and…

<!-- .ven lang=en -->
Which of the following statements most accurately characterises permafrost?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **What happens:** follow, characteris · **To what, where:** permafrost

<!-- .vabout -->
This is exam question 3 of lesson 168 «The Arctic tundra: musk oxen, arctic foxes, snowy owls and the truth about lemmings» of the biology course of Mova's primary school, asked in stiff, formal language. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/biology/168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings/#e3).

## The question {#question}

```conllu
# sent_id = question:biology:168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings:e3:1
# text = Which of the following statements most accurately characterises permafrost?
1	Which	which	PRON	WDT	PronType=Rel	8	nsubj	_	_
2	of	of	ADP	IN	_	5	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	following	follow	VERB	VBG	VerbForm=Ger	5	amod	_	_
5	statements	statement	NOUN	NNS	Number=Plur	8	obl	_	_
6	most	most	ADV	RBS	Degree=Sup	7	advmod	_	_
7	accurately	accurately	ADV	RB	_	8	advmod	_	_
8	characterises	characteris	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
9	permafrost	permafrost	NOUN	NN	Number=Sing	8	obj	_	SpaceAfter=No
10	?	?	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **follow** | gerund |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **characteris** | present |  | permafrost |  |  |  | of the following statements; accurately *property* | tree rules |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
A species of lichen of the tundra

```conllu
# sent_id = question:biology:168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings:e3:o1:1
# text = A species of lichen of the tundra
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	species	species	NOUN	NNS	Number=Plur	0	root	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	lichen	lichen	NOUN	NN	Number=Sing	2	nmod	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	tundra	tundra	NOUN	NN	Number=Sing	4	nmod	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 2 {#o2}

<!-- .ven lang=en -->
Snow which falls exclusively during the summer

```conllu
# sent_id = question:biology:168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings:e3:o2:1
# text = Snow which falls exclusively during the summer
1	Snow	snow	NOUN	NN	Number=Sing	0	root	_	_
2	which	which	PRON	WDT	PronType=Rel	3	nsubj	_	_
3	falls	fall	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	1	acl:relcl	_	_
4	exclusively	exclusively	ADV	RB	_	3	advmod	_	_
5	during	during	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	summer	summer	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fall** | present | Snow |  |  |  | summer | exclusively *property* | vn occur-48.3 «NP V»: agent=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
Sea ice which forms in the winter months

```conllu
# sent_id = question:biology:168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings:e3:o3:1
# text = Sea ice which forms in the winter months
1	Sea	sea	NOUN	NN	Number=Sing	2	compound	_	_
2	ice	ice	NOUN	NN	Number=Sing	0	root	_	_
3	which	which	PRON	WDT	PronType=Rel	4	nsubj	_	_
4	forms	form	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	acl:relcl	_	_
5	in	in	ADP	IN	_	8	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	winter	winter	NOUN	NN	Number=Sing	8	compound	_	_
8	months	month	NOUN	NNS	Number=Plur	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **form** | present | Sea ice |  |  |  | month |  | vn appear-48.1.1 «NP V»: agent=Theme |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Ground which remains frozen throughout the entire year

```conllu
# sent_id = question:biology:168-the-arctic-tundra-musk-oxen-arctic-foxes-and-the-truth-about-lemmings:e3:o4:1
# text = Ground which remains frozen throughout the entire year
1	Ground	ground	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
2	which	which	PRON	WDT	PronType=Rel	3	nsubj	_	_
3	remains	remain	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	frozen	freeze	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	throughout	throughout	ADP	IN	_	8	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	entire	entire	ADJ	JJ	Degree=Pos	8	amod	_	_
8	year	year	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **freeze** | present · passive |  | Ground |  |  | year |  | vn other\_cos-45.4-1 «NP V NP ADJ»: subject=Result |

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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