Butterflies, moths and ladybirds

Tests: 5 of 11 right · Exam: 0 of 4 right · Kind: ★ · Understood: 11 of 15 · Run: 2026-10-18, commit f3c23ea72

Lesson 219 of the biology course of Mova's primary school, as Mova's small model took its tests: it had read this lesson and the ones before it and learned from their exercises. Each test shows the options in the order the student saw them, its choice, the right answer, the score of every option and why it chose. The lesson itself, sentence by sentence with trees and pragmatics: the lesson in the corpora.

Every question of this lesson and each of its options parsed by Mova, with trees and pragmatics: the lesson's questions in the corpora.

Test 1 · ★ · wrong ✗

«there's 3 butterflies on the buddleia how many legs then»

1. 6 — ← Mova's choice · no support
2. 18 — ✓ the right answer · no support
3. 12 — no support
4. 24 — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Test 2 · ★ · wrong ✗

In a famous picture book a hungry caterpillar builds a cocoon before it becomes a butterfly. What is more accurate?

1. A butterfly caterpillar grows wings while still eating leaves — ← Mova's choice · score 8
2. A butterfly caterpillar lays an egg that hatches into a butterfly — score 3
3. A butterfly caterpillar makes a chrysalis; cocoons are mostly made by moths — ✓ the right answer · score 8
4. A butterfly caterpillar turns into a moth first — score 5

Why: It took the question to ask which statement is true. It chose option 1 with score 8, tied with another option at 8 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 48, line 9: «A butterfly has four stages, egg, caterpillar, chrysalis and adult; peacock and red admiral butterflies lay eggs on nettles, the food their caterpillars eat, a…», reached through the option's own match among the sentences about the question's things. What matched: the same action «eat» (+3); the same thing acted on «food» (+3); the same doer «caterpillars» (+2). The right option, 3, scored 8. · the question and its options parsed, with trees and pragmatics

Test 3 · ★ · wrong ✗

«mum says moths ate her jumper, so we gotta kill every moth in the garden» What is right?

1. No, only the caterpillars of a few kinds eat wool — ✓ the right answer · score -2
2. No, it was butterflies that ate it, not moths — no support
3. Yes, garden moths fly in at night to eat jumpers — no support
4. Yes, every moth eats clothes — ← Mova's choice · score 4

Why: It took the question to ask which statement is true. It chose option 4 with score 4, against -2 for the next best. Its support: lesson 219, line 11: «Only the caterpillars of a few kinds of moth eat wool clothes; most moths never touch clothes at all.», reached through the remembered sentence the question matched. What matched: the same thing acted on «wool clothes» (+5); the same action «eat» (+2). Against it: a different doer (counts against) (-3). The right option, 1, scored -2. · the question and its options parsed, with trees and pragmatics

Test 4 · ★ · right ✓

What would happen if a butterfly woke up on a cold, cloudy morning?

1. It would have to warm up before it could fly — ← Mova's choice · ✓ the right answer · score 7
2. It would go back to sleep until next summer comes — score 3
3. It would turn back into a caterpillar — score 3
4. It would fly faster and faster to keep warm — score 7

Why: It took the question to ask what happens next. It chose option 1 with score 7, tied with another option at 7 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 219, line 8: «Butterflies rest in the sun to warm up, because they cannot fly when they are too cold.», reached through what followed the sentence the question matched. What matched: the same action «warm up» (+4); the same doer «butterflies» (+3). · the question and its options parsed, with trees and pragmatics

Test 5 · ★ · right ✓

«caught a butterfly, its wing rubbed off on my fingers like glitter» What has happened?

1. Nothing, butterflies want to lose that powder — score 5
2. Scales came off, which can harm the butterfly — ← Mova's choice · ✓ the right answer · score 6
3. Pollen from the flowers fell off it — no support
4. The butterfly sprayed glitter to escape — no support

Why: It took the question to ask which statement is true. It chose option 2 with score 6, against 5 for the next best. Its support: lesson 219, line 9: «A butterfly's wings are covered in tiny scales; the powder on your fingers is scales, and losing many of them can harm the butterfly.», reached through the option's own match among the sentences about the question's things. What matched: the same action «harm» (+3); the same thing acted on «butterfly» (+3). · the question and its options parsed, with trees and pragmatics

Test 6 · ★ · right ✓

A bird bites a ladybird once and spits it out. What will the bird probably do next time it sees red and black spots?

1. Bring it home to its hungry chicks — no support
2. Eat two ladybirds at once — no support
3. Peck it harder to get the juice — no support
4. Leave the ladybird alone — ← Mova's choice · ✓ the right answer · score 10

Why: It took the question to ask what is done. It chose option 4 with score 10, the only option with support. Its support: lesson 216, line 14: «Fledglings often leave the nest before they can fly well and are still fed by their parents, so a feathered baby bird on the ground is usually best left alone.», reached through the option's own match among the sentences about the question's things. What matched: it fills the role the question asks for (+5); the same action «leave» (+4); the same property (+2). Against it: a different thing acted on (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 7 · ★ · wrong ✗

Count them: a ladybird eats 50 aphids a day. How many is that in 10 days?

1. 150 — ← Mova's choice · score 7
2. 60 — score 7
3. 500 — ✓ the right answer · score 7
4. 5,000 — score 7

Why: It took the question to ask what it is done to. It chose option 1 with score 7, tied with another option at 7 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 8, line 7: «Plankton are tiny drifting living things, such as algae, baby fish and copepods; many swim up to the surface at night and sink by day, the biggest daily journe…», reached through the option's own match among the sentences about the question's things. What matched: the same property (+4); the same doer «many» (+3). The right option, 3, scored 7. · the question and its options parsed, with trees and pragmatics

Test 8 · ★ · right ✓

«ladybirds all piled up in the window frame?? is that a nest or what» What is really going on?

1. They are building a nest out of mud — score 7
2. They are hibernating together through the winter — ← Mova's choice · ✓ the right answer · score 11
3. They are laying their eggs in the glass — score 7
4. They are trapped and dying — score 2

Why: It took the question to ask what it is done to. It chose option 2 with score 11, against 7 for the next best. Its support: lesson 219, line 14: «Ladybirds hibernate in winter in groups, often in hollow stems, under bark or in window frames, and huddling helps them survive the cold.», reached through the option's own match among the sentences about the question's things. What matched: the same action «hibernate» (+4); the same property (+4); the same doer «ladybirds» (+3). · the question and its options parsed, with trees and pragmatics

Test 9 · ★ · wrong ✗

In a cartoon a moth flies at a lamp because it wants to eat the light. What is true?

1. Real moths get confused and keep their backs to the light — ✓ the right answer · score 5
2. Real moths think lamps are big flowers full of sweet nectar — no support
3. Real moths fly at lamps to lay eggs on them — no support
4. Real moths do eat light to make energy — ← Mova's choice · score 7

Why: It took the question to ask which statement is true. It chose option 4 with score 7, against 5 for the next best. Its support: lesson 114, line 1: «Some animals were wiped out in the wild and survived only in zoos, like the last books of a story kept safe in a library. When the danger outside was stopped,…», reached through the remembered sentence the question matched. What matched: the same thing acted on «animals» (+5); the same action «wipe out» (+2). The right option, 1, scored 5. · the question and its options parsed, with trees and pragmatics

Test 10 · ★ · wrong ✗

What would most likely happen to a robin that spotted a peacock butterfly suddenly flashing its eye spots?

1. It would think it was another robin — ← Mova's choice · score 5
2. It would fall fast asleep on the spot — no support
3. It might get a fright and fly away — ✓ the right answer · score 3
4. It would bring all its friends to eat it — score 5

Why: It took the question to ask which statement is true. It chose option 1 with score 5, tied with another option at 5 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 53, line 16: «A peacock butterfly suddenly flashes four big eye spots, which startle a bird before it can think, and even hisses; in experiments, birds were much more scared…», reached through the same lesson line as the sentence the question matched. What matched: the same action «think» (+3); the same doer «butterfly» (+2). The right option, 3, scored 3. · the question and its options parsed, with trees and pragmatics

Test 11 · ★ · right ✓

«tasting with feet? that's gross, makes no sense» Why is it useful for a butterfly?

1. It can taste the ground to find water — no support
2. It can eat while it is flying, without ever landing — no support
3. It can tell if it is going to rain — no support
4. It can check a leaf for its eggs just by landing on it — ← Mova's choice · ✓ the right answer · score 3

Why: It took the question to ask why something happens (its cause). It chose option 4 with score 3, the only option with support. Its support: lesson 219, line 2: «A butterfly lands on a leaf and tastes it with its feet, to check whether it is the right plant for its eggs, and it basks in the sun because a cold butterfly…», reached through the cause of the sentence the question matched. What matched: the same action «check» (+4). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · wrong ✗

Identify the process by which the larva of the butterfly is transformed into the adult insect.

1. The larva deposits an egg from which the adult subsequently emerges — ← Mova's choice · no support
2. The larva is transformed within the stomach of a bird — no support
3. The larva acquires wings while continuing to feed — no support
4. The body is broken down and reconstructed within a chrysalis — ✓ the right answer · no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Exam question 2 · formal language · wrong ✗

Which of the following statements most accurately characterises the damage to woollen garments attributed to moths?

1. It is caused by butterflies mistaken for moths — score 1
2. It is caused solely by the larvae of a small number of species — ✓ the right answer · no support
3. It is caused by moths attracted to illuminated rooms in the evening — ← Mova's choice · score 2
4. It is caused by the adults of all species of moth — no support

Why: It took the question to ask who or what does it. It chose option 3 with score 2, against 1 for the next best. Its support: lesson 219, line 4: «Moths are the butterflies' night-time cousins; only the caterpillars of a few kinds ever eat clothes, and the moths circling a lamp are not in love with it but…», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+2). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Exam question 3 · formal language · wrong ✗

Select the response consistent with the established facts concerning the coloration of the ladybird.

1. The bright coloration serves to absorb heat during the winter — ← Mova's choice · no support
2. The bright coloration serves to attract aphids towards the insect — no support
3. The bright coloration serves to warn predators of an unpleasant taste — ✓ the right answer · no support
4. The bright coloration serves to conceal the insect among berries — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · wrong ✗

Ascertain the reason for which a butterfly is observed to rest with its wings extended in direct sunlight.

1. The insect is displaying its colours to human observers in the garden — ← Mova's choice · no support
2. The insect must attain a sufficient body temperature before flight — ✓ the right answer · no support
3. The insect is engaged in the drying of freshly consumed nectar — no support
4. The insect is depriving competing plants of sunlight — no support

Why: No option found support in what it remembers, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

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