---
title: State the function of the lateral line of fishes. — Hidden senses: magnetic birds and turt… · tree and pragmatics
description: State the function of the lateral line of fishes. Exam question 4 of lesson 232 «Hidden senses: magnetic birds and turtles, ultraviolet bees, heat-seeing snakes, whiskers and lateral lines» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of
---

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# Exam question 4 · Hidden senses: magnetic birds and turtles, ultraviolet bee…

<!-- .ven lang=en -->
State the function of the lateral line of fishes.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** you · **What happens:** state · **To what, where:** function

<!-- .vabout -->
This is exam question 4 of lesson 232 «Hidden senses: magnetic birds and turtles, ultraviolet bees, heat-seeing snakes, whiskers and lateral lines» 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/232-hidden-senses-magnetic-birds-ultraviolet-bees-heat-seeing-snakes/#e4).

## The question {#question}

```conllu
# sent_id = question:biology:232-hidden-senses-magnetic-birds-ultraviolet-bees-heat-seeing-snakes:e4:1
# text = State the function of the lateral line of fishes.
1	State	state	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	function	function	NOUN	NN	Number=Sing	1	obj	_	_
4	of	of	ADP	IN	_	7	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
6	lateral	lateral	ADJ	JJ	Degree=Pos	7	amod	_	_
7	line	line	NOUN	NN	Number=Sing	3	nmod	_	_
8	of	of	ADP	IN	_	9	case	_	_
9	fishes	fish	NOUN	NNS	Number=Plur	7	nmod	_	SpaceAfter=No
10	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **state** *speech: other* | imperative | you *not said here* | the function of the lateral line of fishes |  |  |  |  | vn say-37.7-1-1 «NP V NP.topic»: agent=Agent function=Topic |

<!-- .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 -->
The detection of movement and pressure in the surrounding water

```conllu
# sent_id = question:biology:232-hidden-senses-magnetic-birds-ultraviolet-bees-heat-seeing-snakes:e4:o1:1
# text = The detection of movement and pressure in the surrounding water
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	detection	detection	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	movement	movement	NOUN	NN	Number=Sing	2	nmod	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	pressure	pressure	NOUN	NN	Number=Sing	2	conj	_	_
7	in	in	ADP	IN	_	10	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
9	surrounding	surrounding	NOUN	NN	Number=Sing	10	compound	_	_
10	water	water	NOUN	NN	Number=Sing	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **detect** |  |  | movement |  | the surrounding water |  |  | nom detection «cognition transitive»: of=patient in=place |

### Option 2 {#o2}

<!-- .ven lang=en -->
The digestion of food

```conllu
# sent_id = question:biology:232-hidden-senses-magnetic-birds-ultraviolet-bees-heat-seeing-snakes:e4:o2:1
# text = The digestion of food
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	digestion	digestion	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	food	food	NOUN	NN	Number=Sing	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **digest** |  |  | food |  |  |  |  | nom digestion «process transitive»: of=patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
The production of colour for display

```conllu
# sent_id = question:biology:232-hidden-senses-magnetic-birds-ultraviolet-bees-heat-seeing-snakes:e4:o3:1
# text = The production of colour for display
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	production	production	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	colour	colour	NOUN	NN	Number=Sing	2	nmod	_	_
5	for	for	ADP	IN	_	6	case	_	_
6	display	display	NOUN	NN	Number=Sing	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **produce** |  |  | colour |  |  |  | for display | nom production «act transitive»: of=patient for=obl |

### Option 4 {#o4}

<!-- .ven lang=en -->
The absorption of oxygen from the air

```conllu
# sent_id = question:biology:232-hidden-senses-magnetic-birds-ultraviolet-bees-heat-seeing-snakes:e4:o4:1
# text = The absorption of oxygen from the air
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	absorption	absorption	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	oxygen	oxygen	NOUN	NN	Number=Sing	2	nmod	_	_
5	from	from	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	air	air	NOUN	NN	Number=Sing	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **absorb** |  |  | oxygen |  | the air |  |  | nom absorption «process transitive»: of=patient from=place |

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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: [Hidden senses: magnetic birds and turt…, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/232-hidden-senses-magnetic-birds-ultraviolet-bees-heat-seeing-snakes/e3/)
- next →: [Animal minds: clever crows, ravens, ja…, test 1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/233-animal-minds-clever-crows-ravens-jays-and-parrots/t1/)
- ↑ back to [Hidden senses: magnetic birds and turtles, ultraviolet bees, heat-seeing snakes, whiskers and lateral lines](https://md.mova.elamur.ai/free/en/corpora/questions/biology/232-hidden-senses-magnetic-birds-ultraviolet-bees-heat-seeing-snakes/)