---
title: Which of the following statements most accurately characterises Demo… — The microscopic world: tardigrades, mi… · tree and pragmatics
description: Which of the following statements most accurately characterises Demodex mites in respect of their human hosts? Exam question 3 of lesson 259 «The microscopic world: tardigrades, mites, plankton and other tiny creatures» of the biology course of Mova's primary school, with the dependency tree and pra
---

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# Exam question 3 · The microscopic world: tardigrades, mites, plankton and ot…

<!-- .ven lang=en -->
Which of the following statements most accurately characterises Demodex mites in respect of their human hosts?

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

<!-- .vabout -->
This is exam question 3 of lesson 259 «The microscopic world: tardigrades, mites, plankton and other tiny creatures» 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/259-the-microscopic-world-tardigrades-mites-plankton-and-other-tiny-creatures/#e3).

## The question {#question}

```conllu
# sent_id = question:biology:259-the-microscopic-world-tardigrades-mites-plankton-and-other-tiny-creatures:e3:1
# text = Which of the following statements most accurately characterises Demodex mites in respect of their human hosts?
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	Demodex	Demodex	PROPN	NNP	Number=Sing	10	compound	_	_
10	mites	mite	NOUN	NNS	Number=Plur	8	obj	_	_
11	in	in	ADP	IN	_	12	case	_	_
12	respect	respect	NOUN	NN	Number=Sing	8	obl	_	_
13	of	of	ADP	IN	_	16	case	_	_
14	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	16	nmod:poss	_	_
15	human	human	ADJ	JJ	Degree=Pos	16	amod	_	_
16	hosts	host	NOUN	NNS	Number=Plur	12	nmod	_	SpaceAfter=No
17	?	?	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 |  | Demodex mites |  | respect of mites's human hosts |  | of the following statements; accurately *property* | tree rules |
| 3 | **respect** |  |  | mites's human hosts |  |  |  |  | nom respect «cognition transitive»: of=patient |

<!-- .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 -->
They inhabit the stomach and cause illness

```conllu
# sent_id = question:biology:259-the-microscopic-world-tardigrades-mites-plankton-and-other-tiny-creatures:e3:o1:1
# text = They inhabit the stomach and cause illness
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	inhabit	inhabit	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	stomach	stomach	NOUN	NN	Number=Sing	2	obj	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	cause	cause	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
7	illness	illness	NOUN	NN	Number=Sing	6	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **inhabit** | present | They | the stomach |  |  |  |  | tree rules |
| 2 | **cause** | present | They *not said here* | illness |  |  |  |  | vn engender-27.1-1 «NP V NP»: agent=Precondition illness=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
They are found only upon domestic animals

```conllu
# sent_id = question:biology:259-the-microscopic-world-tardigrades-mites-plankton-and-other-tiny-creatures:e3:o2:1
# text = They are found only upon domestic animals
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	found	find	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	only	only	ADV	RB	_	7	advmod	_	_
5	upon	upon	ADP	IN	_	7	case	_	_
6	domestic	domestic	ADJ	JJ	Degree=Pos	7	amod	_	_
7	animals	animal	NOUN	NNS	Number=Plur	3	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **find** | present · passive |  | They |  |  |  |  | vn declare-29.4-1-1 «NP V NP ADJ»: subject=Theme animal=Attribute |

### Option 3 {#o3}

<!-- .ven lang=en -->
They are present solely upon persons of unclean habits who seldom wash their faces

```conllu
# sent_id = question:biology:259-the-microscopic-world-tardigrades-mites-plankton-and-other-tiny-creatures:e3:o3:1
# text = They are present solely upon persons of unclean habits who seldom wash their faces
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	present	present	ADJ	JJ	Degree=Pos	0	root	_	_
4	solely	solely	ADV	RB	_	3	advmod	_	_
5	upon	upon	ADP	IN	_	6	case	_	_
6	persons	person	NOUN	NNS	Number=Plur	3	obl	_	_
7	of	of	ADP	IN	_	9	case	_	_
8	unclean	unclean	ADJ	JJ	Degree=Pos	9	amod	_	_
9	habits	habit	NOUN	NNS	Number=Plur	6	nmod	_	_
10	who	who	PRON	WP	PronType=Rel	12	nsubj	_	_
11	seldom	seldom	ADV	RB	_	12	advmod	_	_
12	wash	wash	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	9	acl:relcl	_	_
13	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	14	nmod:poss	_	_
14	faces	face	NOUN	NNS	Number=Plur	12	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | They |  |  |  |  | upon persons of unclean habits; present, solely *property* | tree rules |
| 2 | **wash** | present | unclean habits | habits's faces |  |  |  | seldom *property* | vn floss-41.2.1 «NP V NP»: agent=Agent face=Patient |

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

<!-- .ven lang=en -->
They inhabit the roots of the eyelashes of most adults and are ordinarily harmless

```conllu
# sent_id = question:biology:259-the-microscopic-world-tardigrades-mites-plankton-and-other-tiny-creatures:e3:o4:1
# text = They inhabit the roots of the eyelashes of most adults and are ordinarily harmless
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	inhabit	inhabit	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	roots	root	NOUN	NNS	Number=Plur	2	obj	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	eyelashes	eyelash	NOUN	NNS	Number=Plur	4	nmod	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	most	most	ADJ	JJS	Degree=Sup	10	amod	_	_
10	adults	adult	NOUN	NNS	Number=Plur	7	nmod	_	_
11	and	and	CCONJ	CC	_	14	cc	_	_
12	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	14	cop	_	_
13	ordinarily	ordinarily	ADV	RB	_	14	advmod	_	_
14	harmless	harmless	ADJ	JJ	Degree=Pos	2	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **inhabit** | present | They | the roots of the eyelashes of most adults |  |  |  |  | tree rules |
| 2 | **is** | present | They *not said here* |  |  |  |  | harmless, ordinarily *property* | tree rules |

<!-- div src -->

**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.

<!-- /div -->

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- next →: [The microscopic world: tardigrades, mi…, exam 4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/259-the-microscopic-world-tardigrades-mites-plankton-and-other-tiny-creatures/e4/)
- ↑ back to [The microscopic world: tardigrades, mites, plankton and other tiny creatures](https://md.mova.elamur.ai/free/en/corpora/questions/biology/259-the-microscopic-world-tardigrades-mites-plankton-and-other-tiny-creatures/)