---
title: It is given that a single trigger hair of a Venus flytrap is stimula… — Carnivorous and strange plants · tree and pragmatics
description: It is given that a single trigger hair of a Venus flytrap is stimulated once only. Select the response consistent with the established facts. Exam question 2 of lesson 61 «Carnivorous and strange plants» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the q
---

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# Exam question 2 · Carnivorous and strange plants

<!-- .ven lang=en -->
It is given that a single trigger hair of a Venus flytrap is stimulated once only. Select the response consistent with the established facts.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** you · **What happens:** give, stimulate, select, establish · **To what, where:** It, single trigger hair, response

<!-- .vabout -->
This is exam question 2 of lesson 61 «Carnivorous and strange plants» 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/61-carnivorous-and-strange-plants/#e2).

## The question {#question}

<!-- .note -->
*Sentence 1:* It is given that a single trigger hair of a Venus flytrap is stimulated once only.

```conllu
# sent_id = question:biology:61-carnivorous-and-strange-plants:e2:1
# text = It is given that a single trigger hair of a Venus flytrap is stimulated once only.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	given	give	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	that	that	SCONJ	IN	_	14	mark	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
6	single	single	ADJ	JJ	Degree=Pos	8	amod	_	_
7	trigger	trigger	NOUN	NN	Number=Sing	8	compound	_	_
8	hair	hair	NOUN	NN	Number=Sing	14	nsubj	_	_
9	of	of	ADP	IN	_	12	case	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
11	Venus	Venus	PROPN	NNP	Number=Sing	12	compound	_	_
12	flytrap	flytrap	NOUN	NN	Number=Sing	8	nmod	_	_
13	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	aux:pass	_	_
14	stimulated	stimulate	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	advcl	_	_
15	once	once	ADV	RB	NumForm=Word|NumType=Mult	14	advmod	_	_
16	only	only	ADV	RB	_	14	advmod	_	SpaceAfter=No
17	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **give** | present · passive |  | It |  |  |  |  | vn give-13.1-1 «NP V NP»: subject=Theme |
| 2 | **stimulate** | present · passive |  | a single trigger hair of a Venus flytrap |  |  |  | once *property* | vn amuse-31.1 «NP V NP»: subject=Experiencer |

<!-- .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.

<!-- .note -->
*Sentence 2:* Select the response consistent with the established facts.

```conllu
# sent_id = question:biology:61-carnivorous-and-strange-plants:e2:2
# text = Select the response consistent with the established facts.
1	Select	select	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	response	response	NOUN	NN	Number=Sing	1	obj	_	_
4	consistent	consistent	ADJ	JJ	Degree=Pos	3	amod	_	_
5	with	with	ADP	IN	_	8	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	established	establish	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	amod	_	_
8	facts	fact	NOUN	NNS	Number=Plur	4	obl	_	SpaceAfter=No
9	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **select** | imperative | you *not said here* | the response |  |  |  |  | vn obtain-13.5.2 «NP V NP»: agent=Agent response=Theme |
| 2 | **establish** | participle |  |  |  |  |  |  | vn indicate-78-1-1 «NP V NP to be NP»: agent=Pivot |

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
The trap ordinarily remains open

```conllu
# sent_id = question:biology:61-carnivorous-and-strange-plants:e2:o1:1
# text = The trap ordinarily remains open
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	trap	trap	NOUN	NN	Number=Sing	4	nsubj	_	_
3	ordinarily	ordinarily	ADV	RB	_	4	advmod	_	_
4	remains	remain	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	open	open	ADJ	JJ	Degree=Pos	4	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **remain** | present | the trap |  |  |  |  | open, ordinarily *property* | vn exist-47.1 «NP V»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
The trap commences digestion forthwith

```conllu
# sent_id = question:biology:61-carnivorous-and-strange-plants:e2:o2:1
# text = The trap commences digestion forthwith
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	trap	trap	NOUN	NN	Number=Sing	3	nsubj	_	_
3	commences	commence	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	digestion	digestion	NOUN	NN	Number=Sing	3	obj	_	_
5	forthwith	forthwith	ADV	RB	_	3	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **commence** | present | the trap | digestion |  |  |  | forthwith *property* | vn begin-55.1-1-1 «NP V NP»: agent=Agent digestion=Eventuality |

### Option 3 {#o3}

<!-- .ven lang=en -->
The trap is thereby permanently disabled

```conllu
# sent_id = question:biology:61-carnivorous-and-strange-plants:e2:o3:1
# text = The trap is thereby permanently disabled
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	trap	trap	NOUN	NN	Number=Sing	6	nsubj:pass	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux:pass	_	_
4	thereby	thereby	ADV	RB	_	6	advmod	_	_
5	permanently	permanently	ADV	RB	_	6	advmod	_	_
6	disabled	disable	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **disable** | present · passive |  | the trap |  |  |  | permanently, thereby *property* | vn remedy-45.7 «NP V NP.patient»: subject=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
The trap closes at once with great force

```conllu
# sent_id = question:biology:61-carnivorous-and-strange-plants:e2:o4:1
# text = The trap closes at once with great force
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	trap	trap	NOUN	NN	Number=Sing	3	nsubj	_	_
3	closes	close	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	at	at	ADP	IN	_	5	case	_	_
5	once	once	ADV	RB	NumForm=Word|NumType=Mult	3	obl	_	_
6	with	with	ADP	IN	_	8	case	_	_
7	great	great	ADJ	JJ	Degree=Pos	8	amod	_	_
8	force	force	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **close** | present | the trap |  |  |  |  | with great force | vn fill-9.8 «NP V NP PP.theme»: agent=Agent with force=Theme |

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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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