China's mountains: golden snub-nosed monkeys, takins, red-crowned cranes and giant salamanders
Tests: 7 of 11 right · Exam: 0 of 4 right · Kind: plain · Understood: 6 of 15 · Run: 2026-10-18, commit f3c23ea72
Lesson 378 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 ✗
Count them: a giant salamander has 4 toes on each front foot and 5 on each back foot. How many toes altogether?
- 1. 10 — ← Mova's choice · no support
- 2. 18 — ✓ the right answer · no support
- 3. 20 — no support
- 4. 16 — 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 · right ✓
Count them: a crane pair dances in the snow on one leg each. How many legs are in the air?
- 1. 2 — ← Mova's choice · ✓ the right answer · no support
- 2. 0 — no support
- 3. 4 — no support
- 4. 1 — 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 ✓
Count them: a herd of 100 takins at a salt lick. How many horns, 2 each?
- 1. 200 — ← Mova's choice · ✓ the right answer · no support
- 2. 400 — no support
- 3. 50 — no support
- 4. 100 — 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 4 · wrong ✗
In Kung Fu Panda, Master Crane is a fighter who flies the others about. What is right about a real red-crowned crane?
- 1. It carries other animals on its back when they need to fly far away — ← Mova's choice · score 1
- 2. It does kung fu to catch fish — no support
- 3. It dances and calls in duets with its life partner — ✓ the right answer · no support
- 4. It lives alone in a temple — no support
Why: It took the question to ask which statement is true. It chose option 1 with score 1, the only option with support. Its support: lesson 135, line 1: «Po loves dumplings and noodles, but a real giant panda spends about half of every day munching bamboo, the only food it really needs.», reached through the option's own match among the sentences about the question's things. What matched: the same action «need» (+1). The right option, 3, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics
Test 5 · right ✓
«that monkey's got a blue face, someone painted it» What is right?
- 1. It is ill with a blue fever — no support
- 2. It is cold, so it turned blue — score 1
- 3. Its blue face comes from the way its skin scatters light — ← Mova's choice · ✓ the right answer · score 5
- 4. It paints itself with blue berries every morning to look nice for the troop — score 2
Why: It took the question to ask which statement is true. It chose option 3 with score 5, against 2 for the next best. Its support: lesson 378, line 6: «Scientists think the tiny nose may help against frostbite, but it is still argued; its blue face comes from the way the skin scatters light.», reached through the option's own match among the sentences about the question's things. What matched: the same place «way» (+4); the same action «come» (+1). · the question and its options parsed, with trees and pragmatics
Test 6 · wrong ✗
«a salamander longer than me?? no way, they're tiny lizards» What is right?
- 1. It is a made-up animal — ← Mova's choice · no support
- 2. It is a fish, not a salamander — no support
- 3. All salamanders are tiny lizards — no support
- 4. The Chinese giant salamander is an amphibian reported up to about 1.8 metres — ✓ 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 7 · right ✓
What would happen if a farm released salamanders from one river into a different river?
- 1. Different kinds would mix up and the local kind could be lost — ← Mova's choice · ✓ the right answer · no support
- 2. Nothing, because they are all the same kind of salamander anyway, whatever river — no support
- 3. Both rivers would get cleaner — no support
- 4. The salamanders would swim home — 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 · right ✓
«why would a takin need such a big nose, lol it looks dumb» What is the reason?
- 1. It is for smelling bamboo far away — no support
- 2. It warms the cold mountain air before it reaches the lungs — ← Mova's choice · ✓ the right answer · score 0
- 3. It stores water for dry days — no support
- 4. It helps it swim — no support
Why: It took the question to ask why something happens (its cause). It chose option 2 with score 0, the only option with support. Its support: lesson 378, line 8: «The takin is a big goat relative of the mountains of China and the Himalayas; its oily coat sheds rain and snow, and its big nose warms cold air.», reached through the option's own match among the sentences about the question's things. What matched: the same action «warm» (+1); the same thing acted on «cold air» (+1). Against it: a different doer (counts against) (-2). · the question and its options parsed, with trees and pragmatics
Test 9 · wrong ✗
What would happen to a monkey troop if its forest were cut into small islands?
- 1. It would move into houses — score 1
- 2. It would go hungry, with no way to reach other forests or new mates — ✓ the right answer · score 4
- 3. Nothing, monkeys need little space and can live happily in a few trees for ever — ← Mova's choice · score 7
- 4. It would grow bigger and stronger — score 1
Why: It took the question to ask what happens next. It chose option 3 with score 7, against 4 for the next best. Its support: lesson 107, line 13: «Sumatran tigers are the smallest tigers, live only on the island of Sumatra and number fewer than about 600, because forests are cut for farms and tigers are h…», reached through what followed the sentence the question matched. What matched: the same action «live» (+6); a different doer (counts against) (+1). The right option, 2, scored 4. · the question and its options parsed, with trees and pragmatics
Test 10 · right ✓
Why would an artist paint a crane to wish someone a long life?
- 1. In China and Japan the crane stands for long life and luck — ← Mova's choice · ✓ the right answer · no support
- 2. Cranes live for 1,000 years — no support
- 3. Cranes paint themselves — no support
- 4. Cranes eat the medicine plants — 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 would a huge amphibian need cold water full of oxygen?
- 1. It cannot see well in warm water — score 2
- 2. It must stay frozen — score 2
- 3. Warm water is too salty for it — score 1
- 4. It takes much of its oxygen through its skin from the water — ← Mova's choice · ✓ the right answer · score 8
Why: It took the question to ask why something happens (its cause). It chose option 4 with score 8, against 2 for the next best. Its support: lesson 203, line 7: «Tropical fish such as angelfish and neon tetras need warm water kept steady by a heater, while goldfish need cooler water, so they are usually kept apart.», reached through the same lesson line as the sentence the question matched. What matched: the same action «need» (+6); the same circumstance (+2). · the question and its options parsed, with trees and pragmatics
Exam question 1 · formal language · wrong ✗
Identify the principal function of the folds of skin along the flanks of the Chinese giant salamander.
- 1. They conceal its eggs — ← Mova's choice · no support
- 2. They enlarge the surface through which oxygen is absorbed — ✓ the right answer · no support
- 3. They store fat for hibernation — no support
- 4. They serve to frighten predators by making the animal appear larger than it is — 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 crown of the red-crowned crane.
- 1. It is present solely in juveniles — ← Mova's choice · no support
- 2. It is acquired by the bird from berries — no support
- 3. It consists of bare red skin rather than feathers — ✓ the right answer · no support
- 4. It consists of red feathers — 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 diet of golden snub-nosed monkeys in winter?
- 1. Bananas and other tropical fruit — ← Mova's choice · no support
- 2. Fish and crustaceans of the rivers — no support
- 3. Lichen, bark and buds — ✓ the right answer · no support
- 4. Bamboo exclusively, in the manner of pandas — 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 takins assemble at certain muddy sites.
- 1. The ground there is rich in salt and minerals deficient in their food — ✓ the right answer · no support
- 2. The mud protects them from wolves — no support
- 3. They assemble there to give birth — ← Mova's choice · score 1
- 4. The sites are warmer than the surrounding forest during the winter months — no support
Why: It took the question to ask which statement is true. It chose option 3 with score 1, the only option with support. Its support: lesson 378, line 10: «Takins gather at places where the ground is full of salt and minerals, because their food has too little salt; over 100 can meet at one lick, and they move up…», reached through the option's own match among the sentences about the question's things. What matched: the same action «gather» (+1). The right option, 1, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics
This page in Markdown → https://md.mova.elamur.ai/free/en/school-run/biology/378-china-s-mountains-golden-snub-nosed-monkeys-takins-red-crowned-cranes-and-giant-salamanders/