---
title: Ascertain which sex of mosquito feeds upon blood. — Insects: butterflies, beetles, flies,… · tree and pragmatics
description: Ascertain which sex of mosquito feeds upon blood. Exam question 3 of lesson 37 «Insects: butterflies, beetles, flies, mosquitoes, grasshoppers» 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 wrong.
---

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# Exam question 3 · Insects: butterflies, beetles, flies, mosquitoes, grasshop…

<!-- .ven lang=en -->
Ascertain which sex of mosquito feeds upon blood.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** you · **What happens:** ascertain, sex · **To what, where:** sex, mosquito feeds

<!-- .vabout -->
This is exam question 3 of lesson 37 «Insects: butterflies, beetles, flies, mosquitoes, grasshoppers» 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/37-butterflies-beetles-flies-mosquitoes-grasshoppers/#e3).

## The question {#question}

```conllu
# sent_id = question:biology:37-butterflies-beetles-flies-mosquitoes-grasshoppers:e3:1
# text = Ascertain which sex of mosquito feeds upon blood.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	which	which	DET	WDT	PronType=Int	3	det	_	_
3	sex	sex	NOUN	NN	Number=Sing	1	obj	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	mosquito	mosquito	NOUN	NN	Number=Sing	6	compound	_	_
6	feeds	feed	NOUN	NNS	Number=Plur	3	nmod	_	_
7	upon	upon	ADP	IN	_	8	case	_	_
8	blood	blood	NOUN	NN	Number=Sing	6	nmod	_	SpaceAfter=No
9	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ascertain** | imperative | you *not said here* | which sex of mosquito feeds upon blood |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent sex=Topic |
| 2 | **sex** |  |  | mosquito feeds upon blood |  |  |  |  | nom sex «act 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 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
The male exclusively

```conllu
# sent_id = question:biology:37-butterflies-beetles-flies-mosquitoes-grasshoppers:e3:o1:1
# text = The male exclusively
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	male	male	NOUN	NN	Number=Sing	0	root	_	_
3	exclusively	exclusively	ADV	RB	_	2	advmod	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
Both sexes, equally

```conllu
# sent_id = question:biology:37-butterflies-beetles-flies-mosquitoes-grasshoppers:e3:o2:1
# text = Both sexes, equally
1	Both	both	DET	DT	PronType=Tot	2	det	_	_
2	sexes	sex	NOUN	NNS	Number=Plur	0	root	_	SpaceAfter=No
3	,	,	PUNCT	,	_	2	punct	_	_
4	equally	equally	ADV	RB	_	2	advmod	_	_
```

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

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
The female exclusively

```conllu
# sent_id = question:biology:37-butterflies-beetles-flies-mosquitoes-grasshoppers:e3:o3:1
# text = The female exclusively
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	female	female	NOUN	NN	Number=Sing	0	root	_	_
3	exclusively	exclusively	ADV	RB	_	2	advmod	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
Neither sex

```conllu
# sent_id = question:biology:37-butterflies-beetles-flies-mosquitoes-grasshoppers:e3:o4:1
# text = Neither sex
1	Neither	neither	DET	DT	PronType=Neg	2	det	_	_
2	sex	sex	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .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: [Insects: butterflies, beetles, flies,…, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/37-butterflies-beetles-flies-mosquitoes-grasshoppers/e2/)
- next →: [Insects: butterflies, beetles, flies,…, exam 4](https://md.mova.elamur.ai/free/en/corpora/questions/biology/37-butterflies-beetles-flies-mosquitoes-grasshoppers/e4/)
- ↑ back to [Insects: butterflies, beetles, flies, mosquitoes, grasshoppers](https://md.mova.elamur.ai/free/en/corpora/questions/biology/37-butterflies-beetles-flies-mosquitoes-grasshoppers/)