---
title: Which part of a plant lets water vapour escape into the air? — Parts of a plant and what each does · tree and pragmatics
description: Which part of a plant lets water vapour escape into the air? Test 9 of lesson 21 «Parts of a plant and what each does» 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 wrong.
---

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# Test 9 · Parts of a plant and what each does

<!-- .ven lang=en -->
Which part of a plant lets water vapour escape into the air?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** part · **What happens:** let, escape · **To what, where:** air

<!-- .vabout -->
This is test 9 of lesson 21 «Parts of a plant and what each does» of the world course of Mova's primary school. 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/21-parts-of-a-plant/#t9).

## The question {#question}

```conllu
# sent_id = question:world:21-parts-of-a-plant:t9:1
# text = Which part of a plant lets water vapour escape into the air?
1	Which	which	DET	WDT	PronType=Int	2	det	_	_
2	part	part	NOUN	NN	Number=Sing	6	nsubj	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	plant	plant	NOUN	NN	Number=Sing	2	nmod	_	_
6	lets	let	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
7	water	water	NOUN	NN	Number=Sing	8	compound	_	_
8	vapour	vapour	NOUN	NN	Number=Sing	9	compound	_	_
9	escape	escape	VERB	VB	VerbForm=Inf	6	xcomp	_	_
10	into	into	ADP	IN	_	12	case	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	air	air	NOUN	NN	Number=Sing	9	obl	_	SpaceAfter=No
13	?	?	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **let** | present | which part of a plant |  |  |  |  |  | tree rules |
| 2 | **escape** | infinitive | which part of a plant *not said here* |  |  | the air |  |  | vn escape-51.1-1-1 «NP V PP.initial\_location»: agent=Theme into air=Initial\_Location |

<!-- .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 -->
The centre of the flower

```conllu
# sent_id = question:world:21-parts-of-a-plant:t9:o1:1
# text = The centre of the flower
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	centre	centre	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	flower	flower	NOUN	NN	Number=Sing	2	nmod	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
The hard skin of the seeds

```conllu
# sent_id = question:world:21-parts-of-a-plant:t9:o2:1
# text = The hard skin of the seeds
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	hard	hard	ADJ	JJ	Degree=Pos	3	amod	_	_
3	skin	skin	NOUN	NN	Number=Sing	0	root	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	seeds	seed	NOUN	NNS	Number=Plur	3	nmod	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
The tips of the roots

```conllu
# sent_id = question:world:21-parts-of-a-plant:t9:o3:1
# text = The tips of the roots
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	tips	tip	NOUN	NNS	Number=Plur	0	root	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	roots	root	NOUN	NNS	Number=Plur	2	nmod	_	_
```

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

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

<!-- .ven lang=en -->
Tiny holes in the leaves

```conllu
# sent_id = question:world:21-parts-of-a-plant:t9:o4:1
# text = Tiny holes in the leaves
1	Tiny	tiny	ADJ	JJ	Degree=Pos	2	amod	_	_
2	holes	hole	NOUN	NNS	Number=Plur	0	root	_	_
3	in	in	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	leaves	leaf	NOUN	NNS	Number=Plur	2	nmod	_	_
```

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

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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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- ← previous: [Parts of a plant and what each does, test 8](https://md.mova.elamur.ai/free/en/corpora/questions/world/21-parts-of-a-plant/t8/)
- next →: [Parts of a plant and what each does, test 10](https://md.mova.elamur.ai/free/en/corpora/questions/world/21-parts-of-a-plant/t10/)
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