---
title: Which of the following statements most accurately characterises the… — Vents and trenches: tubeworms, iron sn… · tree and pragmatics
description: Which of the following statements most accurately characterises the giant tubeworm? Exam question 2 of lesson 177 «Vents and trenches: tubeworms, iron snails, the Challenger Deep and life without sunlight» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the
---

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# Exam question 2 · Vents and trenches: tubeworms, iron snails, the Challenger…

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

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **What happens:** follow, characteris · **To what, where:** giant tubeworm

<!-- .vabout -->
This is exam question 2 of lesson 177 «Vents and trenches: tubeworms, iron snails, the Challenger Deep and life without sunlight» 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/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/#e2).

## The question {#question}

```conllu
# sent_id = question:biology:177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight:e2:1
# text = Which of the following statements most accurately characterises the giant tubeworm?
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	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
10	giant	giant	ADJ	JJ	Degree=Pos	11	amod	_	_
11	tubeworm	tubeworm	NOUN	NN	Number=Sing	8	obj	_	SpaceAfter=No
12	?	?	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 |  | the giant tubeworm |  |  |  | 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 {#o1}

<!-- .ven lang=en -->
It photosynthesises by means of its red plumes

```conllu
# sent_id = question:biology:177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight:e2:o1:1
# text = It photosynthesises by means of its red plumes
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	photosynthesises	photosynthesis	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	by	by	ADP	IN	_	4	case	_	_
4	means	mean	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	ccomp	_	_
5	of	of	ADP	IN	_	8	case	_	_
6	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	8	nmod:poss	_	_
7	red	red	ADJ	JJ	Degree=Pos	8	amod	_	_
8	plumes	plume	NOUN	NNS	Number=Plur	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **photosynthesis** | present | It |  |  |  |  |  | tree rules |
| 2 | **mean** | present |  |  |  |  |  | of its red plumes | vn intend-61.2-1 «NP V S»: agent=Agent |

### Option 2 · ← Mova's choice · ✓ the right answer {#o2}

<!-- .ven lang=en -->
It possesses neither mouth nor gut and is nourished by internal bacteria

```conllu
# sent_id = question:biology:177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight:e2:o2:1
# text = It possesses neither mouth nor gut and is nourished by internal bacteria
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	possesses	possess	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	neither	neither	DET	DT	PronType=Neg	4	det	_	_
4	mouth	mouth	NOUN	NN	Number=Sing	2	obj	_	_
5	nor	nor	CCONJ	CC	Polarity=Neg	6	cc	_	_
6	gut	gut	NOUN	NN	Number=Sing	4	conj	_	_
7	and	and	CCONJ	CC	_	9	cc	_	_
8	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	aux:pass	_	_
9	nourished	nourish	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	conj	_	_
10	by	by	ADP	IN	_	12	case	_	_
11	internal	internal	ADJ	JJ	Degree=Pos	12	amod	_	_
12	bacteria	bacteria	NOUN	NN	Number=Sing	9	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **possess** | present | It | neither mouth nor gut |  |  |  |  | vn own-100.1 «NP V NP»: agent=Pivot mouth=Theme |
| 2 | **nourish** | present · passive | internal bacteria |  |  |  |  |  | vn subjugate-42.3 «NP V NP»: agent=Agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
It captures crabs with its plumes

```conllu
# sent_id = question:biology:177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight:e2:o3:1
# text = It captures crabs with its plumes
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	captures	capture	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	crabs	crab	NOUN	NNS	Number=Plur	2	obj	_	_
4	with	with	ADP	IN	_	6	case	_	_
5	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	plumes	plume	NOUN	NNS	Number=Plur	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **capture** | present | It | crabs |  |  |  | with its plumes | vn steal-10.5-1 «NP V NP»: agent=Agent crab=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
It is a variety of marine plant

```conllu
# sent_id = question:biology:177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight:e2:o4:1
# text = It is a variety of marine plant
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	variety	variety	NOUN	NN	Number=Sing	0	root	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	marine	marine	ADJ	JJ	Degree=Pos	7	amod	_	_
7	plant	plant	NOUN	NN	Number=Sing	4	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | a variety |  |  |  | of marine plant | 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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- ← previous: [Vents and trenches: tubeworms, iron sn…, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/e1/)
- next →: [Vents and trenches: tubeworms, iron sn…, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/e3/)
- ↑ back to [Vents and trenches: tubeworms, iron snails, the Challenger Deep and life without sunlight](https://md.mova.elamur.ai/free/en/corpora/questions/biology/177-vents-and-trenches-tubeworms-iron-snails-the-challenger-deep-and-life-without-sunlight/)