---
title: Which of the following statements most accurately characterises the… — Flowers and pollination · tree and pragmatics
description: Which of the following statements most accurately characterises the pollination of grasses? Exam question 2 of lesson 58 «Flowers and pollination» of the biology 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 2 · Flowers and pollination

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

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

<!-- .vabout -->
This is exam question 2 of lesson 58 «Flowers and pollination» 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/58-flowers-and-pollination/#e2).

## The question {#question}

```conllu
# sent_id = question:biology:58-flowers-and-pollination:e2:1
# text = Which of the following statements most accurately characterises the pollination of grasses?
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	pollination	pollination	NOUN	NN	Number=Sing	8	obj	_	_
11	of	of	ADP	IN	_	12	case	_	_
12	grasses	grass	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 pollination of grasses |  |  |  | of the following statements; accurately *property* | tree rules |
| 3 | **pollinate** |  |  | grasses |  |  |  |  | nom pollination «event 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 {#o1}

<!-- .ven lang=en -->
It is effected exclusively by honeybees

```conllu
# sent_id = question:biology:58-flowers-and-pollination:e2:o1:1
# text = It is effected exclusively by honeybees
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	effected	affect	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	exclusively	exclusively	ADV	RB	_	3	advmod	_	_
5	by	by	ADP	IN	_	6	case	_	_
6	honeybees	honeybee	NOUN	NNS	Number=Plur	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **affect** | present · passive | honeybees | It |  |  |  | exclusively *property* | vn amuse-31.1 «NP V NP»: agent=Stimulus subject=Experiencer |

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

<!-- .ven lang=en -->
It is effected by wind, with copious production of light pollen

```conllu
# sent_id = question:biology:58-flowers-and-pollination:e2:o2:1
# text = It is effected by wind, with copious production of light pollen
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	effected	affect	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	by	by	ADP	IN	_	5	case	_	_
5	wind	wind	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
6	,	,	PUNCT	,	_	9	punct	_	_
7	with	with	ADP	IN	_	9	case	_	_
8	copious	copious	ADJ	JJ	Degree=Pos	9	amod	_	_
9	production	production	NOUN	NN	Number=Sing	3	parataxis	_	_
10	of	of	ADP	IN	_	12	case	_	_
11	light	light	NOUN	NN	Number=Sing	12	compound	_	_
12	pollen	pollen	NOUN	NN	Number=Sing	9	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **affect** | present · passive | wind | It |  |  |  |  | vn amuse-31.1 «NP V NP»: agent=Stimulus subject=Experiencer |
| 2 | **produce** |  |  | light pollen |  |  |  |  | nom production «act transitive»: of=patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
It is effected by hummingbirds attracted to red flowers with long tubes

```conllu
# sent_id = question:biology:58-flowers-and-pollination:e2:o3:1
# text = It is effected by hummingbirds attracted to red flowers with long tubes
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	effected	affect	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	by	by	ADP	IN	_	5	case	_	_
5	hummingbirds	hummingbird	NOUN	NNS	Number=Plur	3	obl:agent	_	_
6	attracted	attract	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	acl	_	_
7	to	to	ADP	IN	_	9	case	_	_
8	red	red	ADJ	JJ	Degree=Pos	9	amod	_	_
9	flowers	flower	NOUN	NNS	Number=Plur	6	obl	_	_
10	with	with	ADP	IN	_	12	case	_	_
11	long	long	ADJ	JJ	Degree=Pos	12	amod	_	_
12	tubes	tube	NOUN	NNS	Number=Plur	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **affect** | present · passive | hummingbirds | It |  |  |  |  | vn amuse-31.1 «NP V NP»: agent=Stimulus subject=Experiencer |
| 2 | **attract** | participle |  | hummingbirds *not said here* |  |  |  | to red flowers *result*; with long tubes | vn lure-59.3 «NP V NP PP.result»: agent=Agent to flower=Result |

### Option 4 {#o4}

<!-- .ven lang=en -->
It does not take place at any time

```conllu
# sent_id = question:biology:58-flowers-and-pollination:e2:o4:1
# text = It does not take place at any time
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	take	take	VERB	VB	VerbForm=Inf	0	root	_	_
5	place	place	NOUN	NN	Number=Sing	4	obj	_	_
6	at	at	ADP	IN	_	8	case	_	_
7	any	any	DET	DT	PronType=Ind	8	det	_	_
8	time	time	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **take** | present · do-support | It | place |  |  | time |  | vn bring-11.3 «NP V NP»: agent=Agent place=Theme |

<!-- 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: [Flowers and pollination, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/58-flowers-and-pollination/e1/)
- next →: [Flowers and pollination, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/58-flowers-and-pollination/e3/)
- ↑ back to [Flowers and pollination](https://md.mova.elamur.ai/free/en/corpora/questions/biology/58-flowers-and-pollination/)