Farm animals: milk, eggs, wool and meat

Tests: 7 of 12 right · Exam: 1 of 4 right · Kind: ★ · Understood: 9 of 16 · Run: 2026-10-18, commit f3c23ea72

Lesson 287 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 · ★ · right ✓

In a Bugs Bunny cartoon a bull sees a red cape and goes wild with rage at the colour. What is real?

1. Bulls never charge at anything — score 2
2. Bulls cannot see red well; the waving cape makes them charge — ← Mova's choice · ✓ the right answer · score 9
3. Bulls charge only at green — score 5
4. Bulls hate red more than any other colour, so it makes them furious — score 3

Why: It took the question to ask which statement is true. It chose option 2 with score 9, against 5 for the next best. Its support: lesson 287, line 16: «Bulls cannot see red well; it is the moving cape that makes a bull charge, and a waved blue cape would work just the same.», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «red» (+3); the same action «see» (+2); the same doer «bulls» (+2); the same property (+2). · the question and its options parsed, with trees and pragmatics

Test 2 · ★ · wrong ✗

«a cow's got four stomachs, everybody knows that» What is closer to the truth?

1. Two stomachs and a spare — ← Mova's choice · no support
2. Yes, four separate stomachs — no support
3. One stomach with one part — no support
4. One stomach with four parts — ✓ 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

Test 3 · ★ · right ✓

«brown eggs are healthier innit, that's why they cost more» What is right?

1. Yes, brown eggs have twice the goodness — score 2
2. No, the colour depends only on the hen's breed — ← Mova's choice · ✓ the right answer · score 4
3. No, white eggs are always healthier — score 2
4. Yes, white eggs are bleached and unhealthy — no support

Why: It took the question to ask why something happens (its cause). It chose option 2 with score 4, against 2 for the next best. Its support: lesson 287, line 8: «The colour of an eggshell depends on the hen's breed, not on how healthy the egg is.», reached through the same lesson line as the sentence the question matched. What matched: the same action «depend» (+3); the same doer «colour» (+1). · the question and its options parsed, with trees and pragmatics

Test 4 · ★ · wrong ✗

Count them: 5 cows and 3 hens in the yard. How many legs?

1. 16 — ← Mova's choice · no support
2. 32 — no support
3. 24 — no support
4. 26 — ✓ 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

Test 5 · ★ · wrong ✗

Count them: a goat tree in Morocco has 7 goats in it. How many horns, if each goat has 2?

1. 7 — ← Mova's choice · no support
2. 21 — no support
3. 14 — ✓ the right answer · no support
4. 28 — 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 6 · ★ · right ✓

«pigs are filthy, look at them in that mud» What is right?

1. Pigs are the dirtiest of all animals — score 4
2. Mud is their food — no support
3. They roll in mud to cool down, and are clean when they have space — ← Mova's choice · ✓ the right answer · score 9
4. Yes, pigs love dirt more than food, and roll in it to smell worse — score 5

Why: It took the question to ask which statement is true. It chose option 3 with score 9, against 5 for the next best. Its support: lesson 287, line 3: «Animals are not machines, though. A cow chews grass twice, a pig rolls in mud to keep cool, and a sheepdog moves sheep the way a wolf would, because sheep bunc…», reached through the option's own match among the sentences about the question's things. What matched: the same place «mud» (+4); the same action «roll» (+2); the same doer «pig» (+2); its «because» matches the remembered cause (+1). · the question and its options parsed, with trees and pragmatics

Test 7 · ★ · wrong ✗

What would happen if a sheepdog ran straight at the flock from every side at once?

1. The sheep would sit down calmly — score 1
2. Nothing, sheep ignore dogs — ← Mova's choice · score 3
3. The sheep would scatter in panic instead of moving together — ✓ the right answer · score 3
4. The sheep would follow the dog home — score 3

Why: It took the question to ask what happens next. It chose option 2 with score 3, tied with another option at 3 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 287, line 12: «Sheep flock together for safety, a sheepdog moves them like a wolf would, the shepherd directs the dog with whistles, and sheep are sheared about once a year,…», reached through what followed the sentence the question matched. What matched: the same thing acted on «dog» (+4). Against it: a different action (counts against) (-1). The right option, 3, scored 3. · the question and its options parsed, with trees and pragmatics

Test 8 · ★ · right ✓

«what's chewing cud, gross, why'd she spit up her lunch» Why do cows do it?

1. She is ill, and is being sick because the grass was bad for her — no support
2. She is feeding her calf — no support
3. She does not like grass — no support
4. Chewing grass twice helps break it down so microbes can digest it — ← Mova's choice · ✓ the right answer · score 7

Why: It took the question to ask who or what does it. It chose option 4 with score 7, the only option with support. Its support: lesson 209, line 5: «A cow chews the cud: it swallows grass, later brings it back up and chews it again to break it down, for many hours a day.», reached through the same lesson line as the sentence the question matched. What matched: the same action «break down» (+3); the same thing acted on «grass» (+3); a different doer (counts against) (+1). · the question and its options parsed, with trees and pragmatics

Test 9 · ★ · right ✓

In a cartoon a goat chews a tin can and swallows it. What is real?

1. Goats live on tin cans — score 4
2. Goats never put anything in their mouths, not even grass or leaves — no support
3. Goats test things with their mouths but cannot eat tin cans — ← Mova's choice · ✓ the right answer · score 8
4. Goats only eat metal — score 4

Why: It took the question to ask which statement is true. It chose option 3 with score 8, against 4 for the next best. Its support: lesson 287, line 15: «In Morocco goats climb argan trees to eat the fruit; goats test things with their mouths but cannot really eat tin cans.», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «things» (+3); the same action «test» (+2); the same doer «goats» (+2); the same circumstance (+1). · the question and its options parsed, with trees and pragmatics

Test 10 · ★ · right ✓

«mate won't have my bacon sandwich, he's Muslim, weird» What is good manners?

1. Respecting that some families do not eat pork — ← Mova's choice · ✓ the right answer · no support
2. Telling him to try it anyway — no support
3. Hiding pork in his food — no support
4. Laughing at his lunch — 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 11 · ★ · right ✓

Why might a farmer add a little seaweed to cattle food?

1. It can cut the methane cows burp out — ← Mova's choice · ✓ the right answer · score 6
2. It stops cows from eating — no support
3. It makes cows swim — score 3
4. It makes the milk green — score 4

Why: It took the question to ask why something happens (its cause). It chose option 1 with score 6, against 4 for the next best. Its support: lesson 287, line 10: «Microbes in a cow's stomach make methane, a gas that warms the planet; most of it leaves in burps, not farts, and farmers are testing seaweed in feed to cut it.», reached through the cause of the sentence the question matched. What matched: the same action «cut» (+7). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 12 · ★ · wrong ✗

What would happen to a cow that never had a calf?

1. She would lay eggs — no support
2. Her milk would be chocolate — no support
3. She would not make milk — ✓ the right answer · score 0
4. She would make twice as much milk — ← Mova's choice · score 3

Why: It took the question to ask which statement is true. It chose option 4 with score 3, against 0 for the next best. Its support: lesson 287, line 5: «Cows give milk after they have had a calf, because mammals make milk for their babies; a dairy cow gives about 25 to 30 litres a day.», reached through a sentence linked to the one the question matched. What matched: the same action «make» (+3); the same thing acted on «milk» (+1). Against it: a different doer (counts against) (-1). The right option, 3, scored 0. · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · right ✓

Identify the principal reason for which a bull charges at the cape in the arena.

1. The sound of the trumpets — no support
2. The movement of the cape, the animal being unable to perceive red distinctly — ← Mova's choice · ✓ the right answer · score 5
3. The scent of the matador — no support
4. An innate aversion to the colour red, which provokes the animal to fury — 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 228, line 14: «Bulls cannot see red well; a bull charges at the movement of the cape, and red is just the traditional colour.», reached through the same lesson line as the sentence the question matched. What matched: the same thing acted on «cape» (+3); the same action «move» (+2). · 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 digestive system of the cow.

1. It possesses four entirely separate stomachs — ← Mova's choice · no support
2. It possesses no stomach whatsoever — no support
3. It possesses a single stomach of four compartments and re-chews its food — ✓ the right answer · no support
4. It digests grass without the assistance of microbes — 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 ✗

Ascertain the factor determining the colour of a hen's eggshell.

1. The nutritional value of the egg — ← Mova's choice · no support
2. The presence of a cockerel — no support
3. The season of laying — no support
4. The breed of the hen — ✓ 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 4 · formal language · wrong ✗

Which of the following statements most accurately characterises the wallowing of pigs in mud?

1. It is a form of courtship — ← Mova's choice · no support
2. It is evidence of an innate preference for filth — no support
3. It is a means of cooling, pigs being largely unable to sweat — ✓ the right answer · no support
4. It is a method of obtaining food — 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

This page in Markdown → https://md.mova.elamur.ai/free/en/school-run/biology/287-farm-animals-milk-eggs-wool-and-meat/