The tiger: the biggest and strongest cat, a solitary and cunning hunter

Tests: 4 of 12 right · Exam: 3 of 4 right · Kind: ★ · Understood: 10 of 16 · Run: 2026-10-18, commit f3c23ea72

Lesson 19 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 ✗

My mate says lions are the biggest cats since they're the kings. right?

1. Yes, lions are much bigger and heavier than tigers, by a long way — ← Mova's choice · score 3
2. No, the cheetah is biggest — no support
3. Yes, lions weigh a tonne — no support
4. No, the tiger is the biggest cat, heavier than most lions — ✓ the right answer · score 3

Why: It took the question to ask which statement is true. It chose option 1 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 4, line 13: «Spotted hyenas live in clans led by females, catch most of their own food and use whoops and giggles to talk; lions often steal from hyenas as well as the othe…», reached through the option's own match among the sentences about the question's things. What matched: the same circumstance (+2); the same doer «lions» (+1). The right option, 4, scored 3. · the question and its options parsed, with trees and pragmatics

Test 2 · ★ · wrong ✗

In a cartoon, a pack of tigers hunts together like wolves. What is wrong?

1. Tigers do not hunt at all — ← Mova's choice · no support
2. Nothing, tigers always hunt in big packs, just like wolves do — no support
3. Tigers live and hunt alone, except mothers with cubs — ✓ the right answer · no support
4. Tigers hunt only in water — 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 ✓

In a game, a tiger refuses to cross a river because cats hate water. What would a real tiger do?

1. Jump over the whole river — no support
2. Wait for a bridge — no support
3. Turn back and never cross — no support
4. Swim across, tigers love water — ← Mova's choice · ✓ the right answer · score 9

Why: It took the question to ask what is done. It chose option 4 with score 9, the only option with support. Its support: lesson 19, line 11: «Tigers love water and swim well; Sundarbans tigers swim between islands in the mangroves of India and Bangladesh and can swim several kilometres.», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+3); the same action «love» (+2); the same doer «tigers» (+2); the same thing acted on «water» (+2). · the question and its options parsed, with trees and pragmatics

Test 4 · ★ · wrong ✗

If a deer could see colours like we do, what would happen to the tiger?

1. The deer would stop eating grass — no support
2. The tiger would turn green — ← Mova's choice · score 2
3. Nothing, the tiger would still look green — score 2
4. It would spot the orange tiger more easily — ✓ the right answer · no support

Why: It took the question to ask what happens next. It chose option 2 with score 2, tied with another option at 2 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 19, line 3: «To us a tiger is bright orange, but deer cannot see red and orange well, so to them the striped tiger looks greenish and melts into the grass and shadows.», reached through what followed the sentence the question matched. What matched: the same doer «striped tiger» (+4). Against it: a different action (counts against) (-2). The right option, 4, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 5 · ★ · wrong ✗

A tiger fails its first 9 hunts this week. Is something wrong with it?

1. Yes, real tigers never miss — no support
2. Yes, it must be blind — no support
3. No, tigers do not really need to eat every week — ← Mova's choice · score 0
4. Not necessarily, perhaps only 1 hunt in 10 succeeds — ✓ the right answer · no support

Why: It took the question to ask which statement is true. It chose option 3 with score 0, the only option with support. Its support: lesson 19, line 9: «Tigers live and hunt alone, except mothers with cubs, and each tiger needs a big area of its own because its prey is spread out thinly; cubs stay with their mo…», reached through the option's own match among the sentences about the question's things. What matched: the same action «need» (+2); the same doer «tiger» (+1). Against it: one says «not», the other does not (counts against) (-3). The right option, 4, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 6 · ★ · wrong ✗

2 tigers at the zoo, how many white ear spots can i count if i see both backs of their heads

1. 1 — ← Mova's choice · no support
2. 2 — no support
3. 8 — no support
4. 4 — ✓ 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 ✓

A tiger mum with 3 cubs. How many legs and how many tails?

1. 16 legs and 4 tails — ← Mova's choice · ✓ the right answer · no support
2. 16 legs and 1 tail — no support
3. 12 legs and 4 tails — no support
4. 8 legs and 4 tails — 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 two tigers living in one small patch of forest have trouble?

1. Tigers are scared of each other's stripes, so they keep running away — no support
2. Prey is spread out, so there is only enough for one tiger in each area — ← Mova's choice · ✓ the right answer · score 5
3. They would get too warm together — no support
4. Two tigers always become friends — no support

Why: It took the question to ask why something happens (its cause). It chose option 2 with score 5, the only option with support. Its support: lesson 19, line 9: «Tigers live and hunt alone, except mothers with cubs, and each tiger needs a big area of its own because its prey is spread out thinly; cubs stay with their mo…», reached through the same lesson line as the sentence the question matched. What matched: the same action «spread out» (+3); the same thing acted on «prey» (+2). · the question and its options parsed, with trees and pragmatics

Test 9 · ★ · wrong ✗

A keeper hears a tiger make a soft puffing sound. Should she worry?

1. Yes, it means it is ill — ← Mova's choice · no support
2. No, chuffing is a friendly hello — ✓ the right answer · no support
3. No, it means it is tired and wants to sleep now — no support
4. Yes, it means it will attack — 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 10 · ★ · right ✓

Ali reads that a liger is bigger than a lion and a tiger. Where might he see one?

1. On the African savanna — no support
2. Only in a zoo or park, never in the wild — ← Mova's choice · ✓ the right answer · score 3
3. Deep in the Sundarbans mangroves — no support
4. In the forests of India — no support

Why: It took the question to ask where. It chose option 2 with score 3, the only option with support. Its support: lesson 19, line 17: «A liger has a lion father and a tiger mother; ligers are bred only in zoos and parks, because lions and tigers live in different places in the wild, and ligers…», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+3); the same place «zoos» (+2). Against it: a different action (counts against) (-1); a different thing acted on (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 11 · ★ · wrong ✗

ugh tigers are basically extinct anyway, why bother

1. Yes, there are none left anywhere at all, not even in the forests of India — no support
2. Yes, only cartoon tigers exist — ← Mova's choice · score 7
3. No, about 5,500 remain, and protection has made numbers grow in India and Nepal — ✓ the right answer · score 6
4. No, there are millions in Africa — no support

Why: It took the question to ask which statement is true. It chose option 2 with score 7, against 6 for the next best. Its support: lesson 19, line 17: «A liger has a lion father and a tiger mother; ligers are bred only in zoos and parks, because lions and tigers live in different places in the wild, and ligers…», reached through the remembered sentence the question matched. What matched: the same doer «lions» (+4); the same action «live» (+3). The right option, 3, scored 6. · the question and its options parsed, with trees and pragmatics

Test 12 · ★ · wrong ✗

Why do scientists put camera traps in the forest instead of catching tigers?

1. Catching tigers is easy but boring — ← Mova's choice · score 4
2. Tigers like having their photos taken — score 4
3. Each tiger's stripes are unique, so photos are enough to count them — ✓ the right answer · no support
4. Cameras keep tigers away from villages, so the forest stays safe for people — no support

Why: It took the question to ask why something happens (its cause). It chose option 1 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 19, line 7: «Every tiger has its own stripe pattern, and scientists use camera traps and stripes to recognise and count wild tigers; even the skin under the fur is striped.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «scientists» (+3); the same thing acted on «wild tigers» (+2). Against it: a different action (counts against) (-1). The right option, 3, 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 largest living member of the cat family.

1. The leopard — ← Mova's choice · no support
2. The jaguar — no support
3. The tiger — ✓ the right answer · no support
4. The lion — no support

Why: Nothing it remembers matched the question, so it guessed: it took the first option shown. · the question and its options parsed, with trees and pragmatics

Exam question 2 · formal language · right ✓

Which of the following statements most accurately characterises the social habits of the tiger?

1. It lives and hunts alone, mothers accompanied by their cubs excepted — ← Mova's choice · ✓ the right answer · score 5
2. It lives in prides governed by females — score 5
3. It forms permanent herds with its prey — score 4
4. It hunts invariably in packs of considerable size, after the manner of the wolf — score 5

Why: It took the question to ask who or what does it. 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 19, line 14: «Tigers have white spots on the backs of their ears, which may help cubs follow their mother or look like eyes watching; servals and many other wild cats have t…», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+3); the same doer «tigers» (+2). · the question and its options parsed, with trees and pragmatics

Exam question 3 · formal language · right ✓

Ascertain the principal reason for which the orange coat of the tiger affords concealment from deer.

1. Deer are incapable of perceiving movement — no support
2. The coat of the tiger alters its colour in accordance with the season — no support
3. Deer are unable to perceive red and orange well, the tiger appearing greenish — ← Mova's choice · ✓ the right answer · score 8
4. Deer perceive exclusively in black and white at all times — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 8, the only option with support. Its support: lesson 19, line 3: «To us a tiger is bright orange, but deer cannot see red and orange well, so to them the striped tiger looks greenish and melts into the grass and shadows.», reached through the remembered sentence the question matched. What matched: the same doer «deer» (+4); the same thing acted on «red» (+4); the same property (+2). Against it: a different action (counts against) (-2). · the question and its options parsed, with trees and pragmatics

Exam question 4 · formal language · right ✓

Select the response consistent with the established facts concerning the present population of wild tigers.

1. Approximately five thousand five hundred, the majority in India — ← Mova's choice · ✓ the right answer · no support
2. Approximately fifty-five, all in captivity — no support
3. Several million, distributed across Africa — no support
4. None whatsoever, the species having been wholly extinct in the wild for a century — no support

Why: Nothing it remembers matched the question, 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/19-the-tiger/