---
title: Which of the following statements most accurately characterises the… — Senses: eyes and ears · tree and pragmatics
description: Which of the following statements most accurately characterises the blind spot of the human eye? Exam question 2 of lesson 69 «Senses: eyes and ears» 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 · Senses: eyes and ears

<!-- .ven lang=en -->
Which of the following statements most accurately characterises the blind spot of the human eye?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **What happens:** follow, characteris · **To what, where:** blind spot

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This is exam question 2 of lesson 69 «Senses: eyes and ears» 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/69-senses-eyes-and-ears/#e2).

## The question {#question}

```conllu
# sent_id = question:biology:69-senses-eyes-and-ears:e2:1
# text = Which of the following statements most accurately characterises the blind spot of the human eye?
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	blind	blind	ADJ	JJ	Degree=Pos	11	amod	_	_
11	spot	spot	NOUN	NN	Number=Sing	8	obj	_	_
12	of	of	ADP	IN	_	15	case	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
14	human	human	ADJ	JJ	Degree=Pos	15	amod	_	_
15	eye	eye	NOUN	NN	Number=Sing	11	nmod	_	SpaceAfter=No
16	?	?	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 blind spot of the human eye |  |  |  | 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 is located at the front surface of the eye

```conllu
# sent_id = question:biology:69-senses-eyes-and-ears:e2:o1:1
# text = It is located at the front surface of the eye
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	located	locate	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	at	at	ADP	IN	_	7	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
6	front	front	ADJ	JJ	Degree=Pos	7	amod	_	_
7	surface	surface	NOUN	NN	Number=Sing	3	obl	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	eye	eye	NOUN	NN	Number=Sing	7	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **locate** | present · passive |  | It |  | the front surface of the eye |  |  | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
It is a defect present only in the elderly

```conllu
# sent_id = question:biology:69-senses-eyes-and-ears:e2:o2:1
# text = It is a defect present only in the elderly
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	defect	defect	NOUN	NN	Number=Sing	5	compound	_	_
5	present	present	NOUN	NN	Number=Sing	0	root	_	_
6	only	only	ADV	RB	_	9	advmod	_	_
7	in	in	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	elderly	elderly	NOUN	NN	Number=Sing	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | a defect present |  | the elderly |  |  | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
It is a region of damage caused by prolonged exposure to bright sunlight

```conllu
# sent_id = question:biology:69-senses-eyes-and-ears:e2:o3:1
# text = It is a region of damage caused by prolonged exposure to bright sunlight
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	region	region	NOUN	NN	Number=Sing	0	root	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	damage	damage	NOUN	NN	Number=Sing	4	nmod	_	_
7	caused	cause	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	acl	_	_
8	by	by	ADP	IN	_	10	case	_	_
9	prolonged	prolong	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	10	amod	_	_
10	exposure	exposure	NOUN	NN	Number=Sing	7	obl:agent	_	_
11	to	to	ADP	IN	_	13	case	_	_
12	bright	bright	ADJ	JJ	Degree=Pos	13	amod	_	_
13	sunlight	sunlight	NOUN	NN	Number=Sing	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | a region |  |  |  | of damage | tree rules |
| 2 | **cause** | participle |  | a region *not said here* |  |  |  | to bright sunlight | vn result-27.2 «NP V PP»: agent=Precondition to sunlight=Patient |
| 3 | **prolong** | participle |  |  |  |  |  |  | vn sustain-55.6 «NP V NP PP.instrument»: agent=Agent |

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
It is the region devoid of light cells where the optic nerve departs

```conllu
# sent_id = question:biology:69-senses-eyes-and-ears:e2:o4:1
# text = It is the region devoid of light cells where the optic nerve departs
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	region	region	NOUN	NN	Number=Sing	5	obl:unmarked	_	_
5	devoid	devoid	ADJ	JJ	Degree=Pos	0	root	_	_
6	of	of	ADP	IN	_	8	case	_	_
7	light	light	NOUN	NN	Number=Sing	8	compound	_	_
8	cells	cell	NOUN	NNS	Number=Plur	5	obl	_	_
9	where	where	ADV	WRB	PronType=Rel	13	advmod	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
11	optic	optic	ADJ	JJ	Degree=Pos	12	amod	_	_
12	nerve	nerve	NOUN	NN	Number=Sing	13	nsubj	_	_
13	departs	depart	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	acl:relcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | It |  |  |  |  | of light cells; the region *obl:unmarked*; devoid *property* | tree rules |
| 2 | **depart** | present | the optic nerve |  |  |  |  |  | vn escape-51.1-1-1 «NP V»: agent=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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