---
title: Which of the following statements most accurately characterises the… — How plants make their food · tree and pragmatics
description: Which of the following statements most accurately characterises the respiration of plants? Exam question 4 of lesson 22 «How plants make their food» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

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# Exam question 4 · How plants make their food

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

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** plants · **What happens:** follow, characteris, respire · **To what, where:** respiration

<!-- .vabout -->
This is exam question 4 of lesson 22 «How plants make their food» of the world 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/world/22-photosynthesis/#e4).

## The question {#question}

```conllu
# sent_id = question:world:22-photosynthesis:e4:1
# text = Which of the following statements most accurately characterises the respiration of plants?
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	10	det	_	_
10	respiration	respiration	NOUN	NN	Number=Sing	8	obj	_	_
11	of	of	ADP	IN	_	12	case	_	_
12	plants	plant	NOUN	NNS	Number=Plur	10	nmod	_	SpaceAfter=No
13	?	?	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 respiration of plants |  |  |  | of the following statements; accurately *property* | tree rules |
| 3 | **respire** |  | plants |  |  |  |  |  | nom respiration «act intransitive»: of=agent |

<!-- .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 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
They respire day and night, but in daylight produce more oxygen than they consume

<!-- fold The tree, 14 words -->
```conllu
# sent_id = question:world:22-photosynthesis:e4:o1:1
# text = They respire day and night, but in daylight produce more oxygen than they consume
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	respire	respire	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	day	day	NOUN	NN	Number=Sing	2	obj	_	_
4	and	and	CCONJ	CC	_	5	cc	_	_
5	night	night	NOUN	NN	Number=Sing	3	conj	_	SpaceAfter=No
6	,	,	PUNCT	,	_	10	punct	_	_
7	but	but	CCONJ	CC	_	10	cc	_	_
8	in	in	ADP	IN	_	9	case	_	_
9	daylight	daylight	NOUN	NN	Number=Sing	10	obl	_	_
10	produce	produce	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
11	more	more	ADJ	JJR	Degree=Cmp	12	amod	_	_
12	oxygen	oxygen	NOUN	NN	Number=Sing	10	obj	_	_
13	than	than	SCONJ	IN	_	15	mark	_	_
14	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	15	nsubj	_	_
15	consume	consume	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **respire** | present | They |  |  |  | day |  | tree rules |
| 2 | **produce** | present | They *not said here* | more oxygen |  | daylight |  |  | vn create-26.4 «NP V NP»: agent=Agent oxygen=Result |
| 3 | **consume** | present | they |  |  |  |  |  | vn consume-66 «NP V NP»: agent=Agent |

### Option 2 {#o2}

<!-- .ven lang=en -->
They do not respire at any time

```conllu
# sent_id = question:world:22-photosynthesis:e4:o2:1
# text = They do not respire at any time
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	4	nsubj	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	respire	respire	VERB	VB	VerbForm=Inf	0	root	_	_
5	at	at	ADP	IN	_	7	case	_	_
6	any	any	DET	DT	PronType=Ind	7	det	_	_
7	time	time	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **respire** | present · do-support | They |  |  |  | time |  | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
They respire solely during the night, photosynthesis replacing respiration by day

```conllu
# sent_id = question:world:22-photosynthesis:e4:o3:1
# text = They respire solely during the night, photosynthesis replacing respiration by day
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	respire	respire	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	solely	solely	ADV	RB	_	2	advmod	_	_
4	during	during	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	night	night	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
7	,	,	PUNCT	,	_	8	punct	_	_
8	photosynthesis	photosynthesis	NOUN	NN	Number=Sing	6	conj	_	_
9	replacing	replace	VERB	VBG	VerbForm=Ger	8	acl	_	_
10	respiration	respiration	NOUN	NN	Number=Sing	9	obj	_	_
11	by	by	ADP	IN	_	12	case	_	_
12	day	day	NOUN	NN	Number=Sing	9	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **respire** | present | They |  |  |  | night | solely *property* | tree rules |
| 2 | **replace** | gerund | photosynthesis *not said here* | respiration |  |  | day |  | vn substitute-13.6.2-1 «NP V NP»: agent=Theme respiration=Co-Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
They respire solely during the day

```conllu
# sent_id = question:world:22-photosynthesis:e4:o4:1
# text = They respire solely during the day
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	respire	respire	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	solely	solely	ADV	RB	_	2	advmod	_	_
4	during	during	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	day	day	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **respire** | present | They |  |  |  | day | solely *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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