Tortoises, lizards and geckos as pets: heat, light and washing hands

Tests: 7 of 11 right · Exam: 1 of 4 right · Kind: plain · Understood: 12 of 15 · Run: 2026-10-18, commit f3c23ea72

Lesson 329 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 cartoon a tortoise climbs out of its shell to take a bath. What is wrong?

1. The shell is part of its skeleton, so it can never leave it — ← Mova's choice · ✓ the right answer · score 6
2. Only old tortoises can leave their shells — score 3
3. Tortoises leave their shells only at night — score 3
4. Nothing, tortoises bathe without their shells — score 3

Why: It took the question to ask which statement is true. It chose option 1 with score 6, against 3 for the next best. Its support: lesson 248, line 11: «A tortoise's shell is part of its skeleton, joined to its backbone and ribs, so it can never climb out; some tortoises live over 150 years, and Jonathan on Sai…», reached through the option's own match among the sentences about the question's things. What matched: the same circumstance (+2); the same light verb (be, have, do, get, go) (+2); the same doer «shell» (+1); the same thing acted on «part» (+1). · the question and its options parsed, with trees and pragmatics

Test 2 · wrong ✗

Count them: a crested gecko has five toes on each foot. How many toes on all four feet?

1. 10 — ← Mova's choice · no support
2. 16 — no support
3. 18 — no support
4. 20 — ✓ 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 · wrong ✗

Count them: 2 tortoises and 1 bearded dragon sit in the sun. How many legs and tails?

1. 6 legs and 3 tails — ← Mova's choice · no support
2. 8 legs and 3 tails — no support
3. 12 legs and 1 tail — no support
4. 12 legs and 3 tails — ✓ 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 4 · right ✓

«grabbed the gecko by the tail and it came off, it's broken now» What is true?

1. It is broken for ever and the gecko will die soon, because geckos need their tails to live — score 2
2. Geckos like having their tails pulled — no support
3. Geckos drop tails to escape; it will regrow shorter, but never pick one up by the tail — ← Mova's choice · ✓ the right answer · score 7
4. The tail will grow back exactly the same tomorrow — score 5

Why: It took the question to ask which statement is true. It chose option 3 with score 7, against 5 for the next best. Its support: lesson 329, line 8: «Geckos can drop their tail to escape a predator; a new tail grows back shorter and fatter, and because the tail stores fat, losing it is a big loss.», reached through the option's own match among the sentences about the question's things. What matched: the same action «drop» (+4); the same doer «geckos» (+1); the same thing acted on «tail» (+1); its «because» matches the remembered cause (+1). · the question and its options parsed, with trees and pragmatics

Test 5 · right ✓

«tank's right next to the window, sun's out, don't need that lamp» What is the truth?

1. Window sun is even better than the lamp, because it is real sunlight — no support
2. Window glass blocks most UVB, so the lizard still needs its lamp — ← Mova's choice · ✓ the right answer · score 4
3. The lamp is only for heat in winter — no support
4. Lizards do not need light at all — score 1

Why: It took the question to ask which statement is true. It chose option 2 with score 4, against 1 for the next best. Its support: lesson 109, line 13: «Reptile and amphibian rooms have heaters, lights and mist machines controlled by computers to copy each animal's home, and reptiles need special UV lamps to ma…», reached through the option's own match among the sentences about the question's things. What matched: the same action «need» (+4); the same thing acted on «special uv lamps» (+1). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 6 · right ✓

«tortoise looks fine, why wash hands, it's clean» What is the best answer?

1. Healthy reptiles can carry salmonella germs that make people ill — ← Mova's choice · ✓ the right answer · score 12
2. Only dirty tortoises carry germs, so a clean one is safe to hold — score 10
3. Tortoises are too clean to carry germs — score 10
4. It is just to keep the tortoise clean — no support

Why: It took the question to ask why something happens (its cause). It chose option 1 with score 12, against 10 for the next best. Its support: lesson 329, line 4: «Healthy reptiles often carry salmonella germs, so everyone washes their hands with soap after holding them, and small children under five should not handle the…», reached through the cause of the sentence the question matched. What matched: the same action «carry» (+6); the same thing acted on «salmonella germs» (+5); the same doer «healthy reptiles» (+1). · the question and its options parsed, with trees and pragmatics

Test 7 · wrong ✗

What would happen to a lizard kept for months with no UVB?

1. It would grow an extra pair of legs — ← Mova's choice · score 2
2. It would become faster and stronger — no support
3. Its bones could grow soft and bent — ✓ the right answer · no support
4. Nothing at all would change in its body — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 2, the only option with support. Its support: lesson 30, line 1: «Snakes and lizards are reptiles with dry scaly skin; a lizard usually has four legs, while a snake has none and slides by pushing the sides of its body against…», reached through the option's own match among the sentences about the question's things. What matched: the same doer «lizard» (+1); the same thing acted on «four legs» (+1). The right option, 3, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 8 · right ✓

In Teenage Mutant Ninja Turtles the turtles walk on two legs and fight with their hands. What is true of real tortoises and turtles?

1. They walk upright like people when nobody watches — score 5
2. They walk on four legs, and the shell is part of their skeleton — ← Mova's choice · ✓ the right answer · score 7
3. They use their front legs only as arms — score 4
4. They can unzip their shells and step out — score 5

Why: It took the question to ask which statement is true. It chose option 2 with score 7, against 5 for the next best. Its support: lesson 278, line 16: «Fossils show that early whale relatives such as Pakicetus were land mammals that walked on four legs about 50 million years ago; some whales still have tiny hi…», reached through the option's own match among the sentences about the question's things. What matched: the same action «walk» (+4); the same place «four legs» (+4). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 9 · right ✓

«my gecko just licked its own eye, gross, is it ill» What is the best answer?

1. No, most geckos have no moving eyelids and clean their eyes with their tongue — ← Mova's choice · ✓ the right answer · score 8
2. It means the gecko is hungry for eyes — score 5
3. Yes, it means the gecko is very sick and should go to the vet straight away — no support
4. Yes, it is trying to eat its eye — score 2

Why: It took the question to ask which statement is true. It chose option 1 with score 8, against 5 for the next best. Its support: lesson 329, line 9: «Most geckos have no moving eyelids and clean their eyes with their tongue, but leopard geckos are unusual geckos with eyelids that can blink.», reached through the option's own match among the sentences about the question's things. What matched: the same action «clean» (+4); the same circumstance (+2); the same doer «most geckos» (+1); the same thing acted on «eyes» (+1). · the question and its options parsed, with trees and pragmatics

Test 10 · right ✓

«grandpa had this tortoise as a kid and now I've got it» How can that be?

1. Tortoises stop the clock while asleep — no support
2. Pet tortoises often live 50 years or much longer — ← Mova's choice · ✓ the right answer · score 11
3. It must be a different tortoise — score 5
4. Tortoises are reborn every few years — score 7

Why: It took the question to ask what something is like. It chose option 2 with score 11, against 7 for the next best. Its support: lesson 180, line 5: «Galápagos giant tortoises are among the largest tortoises and can live over a hundred years; on dry islands their saddle-shaped shells let them stretch up to t…», reached through the same lesson line as the sentence the question matched. What matched: the same action «live» (+4); the same doer «galápagos giant tortoises» (+3); it fills the role the question asks for (+3); the same property (+1). · the question and its options parsed, with trees and pragmatics

Test 11 · wrong ✗

Why does damp air help a gecko shed its skin?

1. Damp skin peels off more easily, so none gets stuck on its toes — ✓ the right answer · no support
2. Water soaks into the old skin and dissolves it all away at once — no support
3. Damp air makes geckos sleep — score 0
4. Damp air makes the skin grow faster — ← Mova's choice · score 5

Why: It took the question to ask why something happens (its cause). It chose option 4 with score 5, against 0 for the next best. Its support: lesson 30, line 7: «Snakes shed their skin in one piece as they grow, starting at the lips, and their eyes turn cloudy blue just before.», reached through the cause of the sentence the question matched. What matched: the same action «grow» (+6). Against it: a different doer (counts against) (-1). The right option, 1, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · wrong ✗

Identify the reason for which a reptile kept in captivity requires a source of external heat.

1. Reptiles are prone to catching colds — ← Mova's choice · score 5
2. The heat serves to harden the shell — no support
3. The heat prevents the shedding of skin — no support
4. Reptiles are incapable of generating their own body heat — ✓ the right answer · score 2

Why: It took the question to ask which statement is true. It chose option 1 with score 5, against 2 for the next best. Its support: lesson 258, line 3: «When your friend sneezes and you catch his cold, viruses in tiny drops got into the cells of your nose, and soon those cells were busy making more viruses inst…», reached through the option's own match among the sentences about the question's things. What matched: the same action «catch» (+4); the same thing acted on «cold» (+1). The right option, 4, scored 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 function of ultraviolet lamps in reptile enclosures.

1. They are a decorative addition without effect upon health — ← Mova's choice · no support
2. They enable the synthesis of vitamin D and thereby the use of calcium in the bones — ✓ the right answer · no support
3. They serve exclusively to warm the enclosure and have no further effect upon the animal's health — no support
4. They improve the colouration of the skin — 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 · right ✓

Which of the following statements most accurately characterises the relationship between a tortoise and its shell?

1. The shell is formed from the skin of other animals — no support
2. The shell forms part of the skeleton, being joined to the ribs and backbone — ← Mova's choice · ✓ the right answer · score 10
3. The shell is shed and replaced annually — no support
4. The shell is a separate covering that may be removed at will — no support

Why: It took the question to ask who or what does it. It chose option 2 with score 10, the only option with support. Its support: lesson 329, line 15: «A tortoise cannot leave its shell, because its ribs and backbone are joined to it as part of its skeleton, and it can feel touch through the shell.», reached through a sentence linked to the one the question matched. What matched: the same action «join» (+5); the same circumstance (+5). · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · wrong ✗

Ascertain the reason for which hands ought to be washed after the handling of a reptile.

1. Reptiles leave a dye upon the hands — no support
2. Reptiles transmit the common cold to human beings — ← Mova's choice · score 4
3. Reptiles secrete a poison through their scales which is absorbed through the skin — no support
4. Reptiles frequently carry salmonella bacteria without themselves being ill — ✓ the right answer · score 4

Why: It took the question to ask which statement is true. It chose option 2 with score 4, tied with another option at 4 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 329, line 7: «Many reptiles carry salmonella germs without being ill, so hands are washed with soap after touching them, and children under five should not handle reptiles.», reached through the option's own match among the sentences about the question's things. What matched: the same action «carry» (+4); the same doer «many reptiles» (+1). Against it: a different thing acted on (counts against) (-1). The right option, 4, scored 4. · the question and its options parsed, with trees and pragmatics

This page in Markdown → https://md.mova.elamur.ai/free/en/school-run/biology/329-tortoises-lizards-and-geckos-as-pets-heat-light-and-washing-hands/