The big biology quiz, part 3: dinosaurs, evolution, conservation and food

Tests: 5 of 12 right · Exam: 1 of 4 right · Kind: ★★ · Understood: 11 of 16 · Run: 2026-10-18, commit f3c23ea72

Lesson 300 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 ✗

In The Flintstones, Fred works with a dinosaur at the quarry. What is wrong?

1. Nothing, people and dinosaurs really lived and worked together in quarries — no support
2. People and dinosaurs missed each other by about 66 million years — ✓ the right answer · no support
3. Dinosaurs lived only in the sea — ← Mova's choice · score 2
4. Dinosaurs were far too lazy to do any work for people — score 1

Why: It took the question to ask which statement is true. It chose option 3 with score 2, against 1 for the next best. Its support: lesson 270, line 2: «So the flying pterosaurs and the swimming plesiosaurs, mosasaurs and ichthyosaurs were not dinosaurs, even though they lived at the same time.», reached through the option's own match among the sentences about the question's things. What matched: the same action «live» (+3). Against it: the same doer «dinosaurs» (-1). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 2 · ★★ · wrong ✗

Who lived closer in time to T. rex: a Stegosaurus or you?

1. Neither, T. rex lived after both — ← Mova's choice · score 7
2. You did — ✓ the right answer · no support
3. Both lived at exactly the same time — score 2
4. Stegosaurus did — score 6

Why: It took the question to ask who or what does it. It chose option 1 with score 7, against 6 for the next best. Its support: lesson 75, line 5: «Tyrannosaurus rex lived about 68 to 66 million years ago in western North America, was about 12 metres long and had thick teeth up to about 30 centimetres with…», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+4); the same doer «tyrannosaurus rex» (+2); the same action «live» (+1). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 3 · ★★ · right ✓

«my dog's basically a wolf on a sofa» Is there truth in it?

1. Yes, dogs come from wolves tamed more than 15000 years ago — ← Mova's choice · ✓ the right answer · score 6
2. No, dogs come from bears that were tamed — score 6
3. No, dogs come from cats — score 4
4. Yes, every dog is still a wild wolf that could go back to the forest — score 0

Why: It took the question to ask which statement is true. It chose option 1 with score 6, tied with another option at 6 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 300, line 14: «Dogs come from wolves tamed more than 15000 years ago and were the first tame animals, while cats came later to farming villages to hunt mice and were honoured…», reached through the option's own match among the sentences about the question's things. What matched: the same place «wolves» (+4); the same action «come» (+3). Against it: the same doer «dogs» (-1). · the question and its options parsed, with trees and pragmatics

Test 4 · ★★ · right ✓

«giraffe stretched its neck reaching for leaves, so the baby got a long neck too» What is the best correction?

1. Right, every stretch goes to the babies — no support
2. Stretching is not passed on; longer-necked giraffes just had more young — ← Mova's choice · ✓ the right answer · score 9
3. Wrong, giraffe necks are short at birth and never grow — score 8
4. Right, but only if the mother stretches — no support

Why: It took the question to ask what it is done to. It chose option 2 with score 9, against 8 for the next best. Its support: lesson 73, line 10: «Giraffes with slightly longer necks reached more food and had more young; the old idea that giraffes passed on necks they stretched in life is wrong, and a gir…», reached through the same lesson line as the sentence the question matched. What matched: the same doer «giraffes» (+4); the same light verb (be, have, do, get, go) (+2); it fills the role the question asks for (+2); the same thing acted on «more young» (+1). · the question and its options parsed, with trees and pragmatics

Test 5 · ★★ · right ✓

In Ice Age a family of silly dodos fights over three melons. Why could real dodos not escape the people who came to Mauritius?

1. They were already gone 66 million years before — score 3
2. They were too fast to be caught — no support
3. They could not fly and had no fear of people — ← Mova's choice · ✓ the right answer · score 6
4. They lived only at the top of mountains — score 4

Why: It took the question to ask why something happens (its cause). It chose option 3 with score 6, against 4 for the next best. Its support: lesson 272, line 17: «Africa kept more of its big animals, perhaps because they grew up alongside people and learned to fear them.», reached through the option's own match among the sentences about the question's things. What matched: the same action «fear» (+3); the same thing acted on «people» (+2); a different doer (counts against) (+1). · the question and its options parsed, with trees and pragmatics

Test 6 · ★★ · right ✓

Count them: a wolf pack of 6 runs through Yellowstone. How many tails and how many ears?

1. 6 tails and 12 ears — ← Mova's choice · ✓ the right answer · no support
2. 6 tails and 6 ears — no support
3. 6 tails and 24 ears — no support
4. 12 tails and 12 ears — 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 7 · ★★ · wrong ✗

Count them: in Dumbo 3 elephants jump onto a box away from the mouse. How many trunks, tails and legs?

1. 6 trunks, 3 tails and 12 legs — ← Mova's choice · no support
2. 3 trunks, 3 tails and 12 legs — ✓ the right answer · no support
3. 3 trunks, 6 tails and 12 legs — no support
4. 3 trunks, 3 tails and 6 legs — 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 8 · ★★ · wrong ✗

What would happen to a meadow if all its bees vanished?

1. Flowers would grow much bigger without bees taking their nectar every single day — ← Mova's choice · score 1
2. Many flowers would make no fruit or seeds, and fewer plants would grow back — ✓ the right answer · no support
3. The grass would turn into flowers — no support
4. Nothing, flowers do not need bees — no support

Why: It took the question to ask what happens next. It chose option 1 with score 1, the only option with support. Its support: lesson 239, line 16: «Guard bees at the door smell each incoming bee to check it carries the hive's own smell, though a stranger bee bringing nectar is sometimes let in, as if she p…», reached through the option's own match among the sentences about the question's things. What matched: the same action «bring» (+1). The right option, 2, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 9 · ★★ · right ✓

«tomato's a veg, my mum said, end of story» What is the best answer?

1. Your mum is wrong, it is a root that grows under the soil like a carrot — score 6
2. It is neither, it is a mushroom — no support
3. Cooks call it a vegetable, but botanists call it a fruit, as it holds seeds — ← Mova's choice · ✓ the right answer · score 12
4. It is a nut, actually — no support

Why: It took the question to ask what it is done to. It chose option 3 with score 12, against 6 for the next best. Its support: lesson 300, line 13: «A tomato grows from a flower and holds seeds, so botanists call it a fruit, while cooks call it a vegetable; a potato is a swollen stem, a carrot is a root and…», reached through the same lesson line as the sentence the question matched. What matched: the same action «call» (+8); the same doer «cooks» (+4). · the question and its options parsed, with trees and pragmatics

Test 10 · ★★ · wrong ✗

«took the wolves out of the park ages ago and now they put them back, why bother» What did bringing them back show?

1. Elk need wolves to show them where to find the best food — ← Mova's choice · score 6
2. Wolves eat all the trees — score 6
3. Nothing changes when a predator returns to its old home — no support
4. A top predator can change how other animals and even plants live — ✓ the right answer · no support

Why: It took the question to ask why something happens (its cause). It chose option 1 with score 6, tied with another option at 6 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 24, line 4: «Cartoons show wolves howling at a full moon and a Big Bad Wolf hunting children; real wolves point their heads up so the howl carries kilometres to the pack, n…», reached through the option's own match among the sentences about the question's things. What matched: the same action «show» (+3); the same thing acted on «wolves» (+2); a different doer (counts against) (+1). The right option, 4, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 11 · ★★ · wrong ✗

A spray kills insects on a farm but makes the eggshells of birds thin. What would happen to birds like eagles?

1. Eagles would grow stronger shells — no support
2. Nothing, eagles do not eat anything sprayed — ← Mova's choice · score 5
3. Fewer chicks would hatch, and their numbers would fall — ✓ the right answer · no support
4. More eagles would hatch than before — no support

Why: It took the question to ask which statement is true. It chose option 2 with score 5, the only option with support. Its support: lesson 78, line 5: «Bald eagles fell to about 400 to 500 nesting pairs in the lower 48 US states by the 1960s, partly because the pesticide DDT, building up from tiny water bugs i…», reached through the same lesson line as the sentence the question matched. What matched: the same action «eat» (+3); the same doer «eagles» (+2); a different thing acted on (counts against) (+1). Against it: one says «not», the other does not (counts against) (-1). The right option, 3, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 12 · ★★ · wrong ✗

«what's the point, I'm just a kid, can't save the planet» What is the best reply?

1. Only famous people can help nature — ← Mova's choice · no support
2. Small acts like a wild corner or recording sightings add up when many do them — ✓ the right answer · no support
3. You are right, children cannot help, so it is best to leave it to adults — no support
4. Helping nature is only for zoos — 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 1 · formal language · wrong ✗

Identify the principal cause of the extinction of the non-avian dinosaurs.

1. A universal flood covering the whole of the Earth — ← Mova's choice · no support
2. The impact of an asteroid upon the region now known as Mexico, approximately sixty-six million years ago — ✓ the right answer · no support
3. Prolonged conflict between the carnivorous and herbivorous dinosaur species across all the continents — no support
4. The hunting of dinosaurs by early human beings — 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 ✗

Select the response consistent with the established facts concerning the elongation of the neck of the giraffe.

1. The neck of each giraffe continues to elongate throughout its life — ← Mova's choice · no support
2. Each individual stretched its neck and transmitted the stretching to its offspring — no support
3. The elongation was produced by suspension from the branches of trees — no support
4. Individuals with longer necks obtained more food and produced more offspring over successive generations — ✓ 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 3 · formal language · wrong ✗

Which of the following statements most accurately characterises the recovery of the bald eagle?

1. It followed the adaptation of eagles to the consumption of plastic — ← Mova's choice · score 8
2. It followed the arrival of eagles from Africa — score 8
3. It followed the prohibition of the pesticide DDT and the legal protection of the species — ✓ the right answer · no support
4. It followed the provision of artificial food to every individual by the authorities — no support

Why: It took the question to ask who or what does it. 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 78, line 5: «Bald eagles fell to about 400 to 500 nesting pairs in the lower 48 US states by the 1960s, partly because the pesticide DDT, building up from tiny water bugs i…», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+4); the same doer «eagles» (+2); a different action (counts against) (+2). The right option, 3, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · right ✓

Ascertain the reason for which a tomato is classified by botanists as a fruit.

1. It is a modified stem of the plant — no support
2. It develops from a flower and contains seeds — ← Mova's choice · ✓ the right answer · score 6
3. It is grown beneath the surface of the soil — no support
4. It is consumed principally in a sweet dish — no support

Why: It took the question to ask which statement is true. It chose option 2 with score 6, the only option with support. Its support: lesson 300, line 13: «A tomato grows from a flower and holds seeds, so botanists call it a fruit, while cooks call it a vegetable; a potato is a swollen stem, a carrot is a root and…», reached through a sentence linked to the one the question matched. What matched: the same action «hold» (+3); the same doer «tomato» (+2); the same thing acted on «seeds» (+1). · the question and its options parsed, with trees and pragmatics

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