---
title: The ape house: gorillas and chimpanzees — how Mova does on the tests · Biology
description: Lesson 84 of the biology course of Mova's primary school: 7 of 11 tests right, exam 1 of 4, every question with the options, the student's choice, the right answer and why it chose.
---

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# The ape house: gorillas and chimpanzees

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**Tests:** 7 of 11 right · **Exam:** 1 of 4 right · **Kind:** ★ · **Understood:** 9 of 15 · **Run:** 2026-10-18, commit `f3c23ea72`

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Lesson 84 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](https://md.mova.elamur.ai/free/en/corpora/school/biology/84-ape-house-gorillas-and-chimpanzees/).

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Every question of this lesson and each of its options parsed by Mova, with trees and pragmatics: [the lesson's questions in the corpora](https://md.mova.elamur.ai/free/en/corpora/questions/biology/84-ape-house-gorillas-and-chimpanzees/).

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### Test 1 · ★ · right ✓ {#t1}

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In King Kong a giant gorilla climbs a skyscraper and roars at planes. What would you fix?

- **1.** Real gorillas are even bigger — score 5
- **2.** Right, gorillas often climb tall buildings when they get out of the zoo — score 8
- **3.** Real gorillas eat aeroplanes — score 1
- **4.** Real gorillas are calm, about 200 kg, and seldom climb high — **← Mova's choice** · **✓ the right answer** · score 10

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**Why:** It took the question to ask what it is done to. It chose option 4 with score 10, against 8 for the next best. Its support: lesson 84, line 13: «Real gorillas weigh up to about 200 kilograms and live mostly on the ground, seldom climbing high; a gorilla as big as a building could not exist, because its…», reached through the remembered sentence the question matched. What matched: the same action «climb» (+5); the same doer «real gorillas» (+3); the same property (+2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/84-ape-house-gorillas-and-chimpanzees/t1/)

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### Test 2 · ★ · right ✓ {#t2}

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3 gorillas and 2 chimps in the ape house. how many tails

- **1.** 0 — **← Mova's choice** · **✓ the right answer** · no support
- **2.** 2 — no support
- **3.** 5 — no support
- **4.** 3 — no support

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**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](https://md.mova.elamur.ai/free/en/corpora/questions/biology/84-ape-house-gorillas-and-chimpanzees/t2/)

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### Test 3 · ★ · wrong ✗ {#t3}

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«gorilla does the chest thing with fists, like in the cartoon» What is right?

- **1.** Yes, always with closed fists, just like a boxer — **← Mova's choice** · no support
- **2.** It hits a tree, not its chest — no support
- **3.** It uses cupped hands, which make a loud pop — **✓ the right answer** · no support
- **4.** It uses its feet — no support

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**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](https://md.mova.elamur.ai/free/en/corpora/questions/biology/84-ape-house-gorillas-and-chimpanzees/t3/)

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### Test 4 · ★ · right ✓ {#t4}

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«chimps r cute, i want one as a pet» What is right?

- **1.** Fine, chimps stay small and gentle all their life, like a pet cat or dog — no support
- **2.** Grown-up chimps are much stronger than people and can be dangerous — **← Mova's choice** · **✓ the right answer** · score 3
- **3.** Only if you feed them bananas — no support
- **4.** Fine, chimps are as safe as hamsters — no support

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**Why:** It took the question to ask which statement is true. It chose option 2 with score 3, the only option with support. Its support: lesson 17, line 5: «Apes are not just worse humans: a young chimp called Ayumu beat grown-up people at a quick number memory game, and chimp groups even have their own traditions.», reached through the option's own match among the sentences about the question's things. What matched: the same doer «young chimp» (+2); the same circumstance (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/84-ape-house-gorillas-and-chimpanzees/t4/)

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### Test 5 · ★ · right ✓ {#t5}

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Your mate says «we come from chimps, they're our granddads». What is right?

- **1.** No, we are closer to dogs — no support
- **2.** Yes, but only Europeans did — no support
- **3.** Yes, chimps turned into people a long time ago — score 1
- **4.** Chimps are our cousins; we share an ancestor — **← Mova's choice** · **✓ the right answer** · score 9

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**Why:** It took the question to ask which statement is true. It chose option 4 with score 9, against 1 for the next best. Its support: lesson 17, line 8: «It is a myth that people came from chimps: chimps and humans are cousins who both changed from a common ancestor.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «chimps» (+5); the same thing acted on «cousins» (+2); the same light verb (be, have, do, get, go) (+2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/84-ape-house-gorillas-and-chimpanzees/t5/)

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### Test 6 · ★ · wrong ✗ {#t6}

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«we share 60% genes with a banana so we're half banana lol» What is true?

- **1.** Yes, people really are partly made of bananas, that's what it means — no support
- **2.** All living things share basic cell machinery, so some genes match — **✓ the right answer** · score 6
- **3.** It means we should eat only bananas — score -1
- **4.** No, people share no genes with plants — **← Mova's choice** · score 9

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**Why:** It took the question to ask which statement is true. It chose option 4 with score 9, against 6 for the next best. Its support: lesson 84, line 11: «People and chimpanzees share about 98 to 99 per cent of their DNA in the parts that can be lined up; we are cousins sharing an ancestor from about 6 to 7 milli…», reached through the remembered sentence the question matched. What matched: the same thing acted on «genes» (+5); the same action «share» (+2); the same circumstance (+2). The right option, 2, scored 6. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/84-ape-house-gorillas-and-chimpanzees/t6/)

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### Test 7 · ★ · right ✓ {#t7}

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What would happen if a zoo fed its gorillas lots of sweet bananas every day?

- **1.** They would grow much stronger and taller than wild gorillas — no support
- **2.** Nothing, bananas are their only real food — no support
- **3.** Too much sugar could harm their teeth and bellies — **← Mova's choice** · **✓ the right answer** · score 12
- **4.** They would stop building nests — score 2

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**Why:** It took the question to ask what happens next. It chose option 3 with score 12, against 2 for the next best. Its support: lesson 15, line 15: «Wild monkeys eat fruit, leaves, seeds, flowers and insects; our sweet bananas were bred by people, and Paignton Zoo in England stopped giving monkeys bananas b…», reached through what followed the sentence the question matched. What matched: the same action «harm» (+5); the same doer «sugar» (+4); the same thing acted on «teeth» (+3). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/84-ape-house-gorillas-and-chimpanzees/t7/)

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### Test 8 · ★ · right ✓ {#t8}

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A cartoon monkey eats only bananas all day. Which is closer to the truth for a gorilla?

- **1.** It eats mostly leaves, stems and shoots, with some fruit — **← Mova's choice** · **✓ the right answer** · score 6
- **2.** It eats insects and nothing else — score 6
- **3.** It eats mostly meat — score 3
- **4.** It eats only bananas, like in cartoons — score 3

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**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 15, line 15: «Wild monkeys eat fruit, leaves, seeds, flowers and insects; our sweet bananas were bred by people, and Paignton Zoo in England stopped giving monkeys bananas b…», reached through the remembered sentence the question matched. What matched: the same thing acted on «fruit» (+5); the same action «eat» (+2). Against it: the same doer «wild monkeys» (-1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/84-ape-house-gorillas-and-chimpanzees/t8/)

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### Test 9 · ★ · right ✓ {#t9}

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Count: 2 gorillas each make a new nest every night for a week. How many nests is that?

- **1.** 14 — **← Mova's choice** · **✓ the right answer** · no support
- **2.** 7 — no support
- **3.** 2 — no support
- **4.** 9 — no support

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**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](https://md.mova.elamur.ai/free/en/corpora/questions/biology/84-ape-house-gorillas-and-chimpanzees/t9/)

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### Test 10 · ★ · wrong ✗ {#t10}

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Which of these would a chimp use as a tool?

- **1.** A fork to eat its food with — **← Mova's choice** · no support
- **2.** A spade to dig a garden — no support
- **3.** A stone to crack nuts — **✓ the right answer** · no support
- **4.** A rope to tie up a boat — no support

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**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](https://md.mova.elamur.ai/free/en/corpora/questions/biology/84-ape-house-gorillas-and-chimpanzees/t10/)

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### Test 11 · ★ · wrong ✗ {#t11}

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«why do the chimps keep picking at each other, got fleas or what» What is right?

- **1.** They are looking for bananas — score 0
- **2.** They are fighting very slowly — score 0
- **3.** Yes, all zoo chimps have fleas and are picking them off to eat — **← Mova's choice** · score 3
- **4.** Grooming cleans the fur and keeps friendships strong — **✓ the right answer** · no support

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**Why:** It took the question to ask why something happens (its cause). It chose option 3 with score 3, against 0 for the next best. Its support: lesson 84, line 9: «Chimps groom each other to remove dirt and bugs, but also to make friends and make up after fights.», reached through the cause of the sentence the question matched. What matched: the same doer «chimps» (+2); a different thing acted on (counts against) (+1). The right option, 4, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/84-ape-house-gorillas-and-chimpanzees/t11/)

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### Exam question 1 · formal language · wrong ✗ {#e1}

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Identify the principal purpose of the chest-beating display of the gorilla.

- **1.** To regulate body temperature — **← Mova's choice** · no support
- **2.** To dislodge parasites from the fur — no support
- **3.** To summon the keeper at the appointed hour of feeding each day — no support
- **4.** To signal size and strength, frequently averting an actual fight — **✓ the right answer** · no support

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**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](https://md.mova.elamur.ai/free/en/corpora/questions/biology/84-ape-house-gorillas-and-chimpanzees/e1/)

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### Exam question 2 · formal language · wrong ✗ {#e2}

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Select the response consistent with the established facts concerning the relationship between humans and chimpanzees.

- **1.** The two share no part of their DNA whatsoever — no support
- **2.** Humans are the direct descendants of modern chimpanzees — **← Mova's choice** · score 4
- **3.** Chimpanzees are descended from humans — score 0
- **4.** They are cousins descended from a common ancestor — **✓ the right answer** · no support

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**Why:** It took the question to ask which statement is true. It chose option 2 with score 4, against 0 for the next best. Its support: lesson 73, line 12: «Humans and chimpanzees share a common ancestor from about 6 to 7 million years ago, so they are cousins; humans did not come from today's chimps.», reached through the option's own match among the sentences about the question's things. What matched: the same doer «humans» (+2); the same light verb (be, have, do, get, go) (+2); the same circumstance (+1). Against it: a different thing acted on (counts against) (-1). The right option, 4, found no support in what it remembers. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/84-ape-house-gorillas-and-chimpanzees/e2/)

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### Exam question 3 · formal language · wrong ✗ {#e3}

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Which of the following statements most accurately characterises the diet of gorillas maintained in zoological collections?

- **1.** It consists principally of meat and fish — **← Mova's choice** · no support
- **2.** It consists of bread and confectionery supplied by visitors — no support
- **3.** It consists principally of leafy greens and vegetables — **✓ the right answer** · no support
- **4.** It consists exclusively of bananas — no support

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**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](https://md.mova.elamur.ai/free/en/corpora/questions/biology/84-ape-house-gorillas-and-chimpanzees/e3/)

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### Exam question 4 · formal language · right ✓ {#e4}

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Determine the reason for which an animal of the dimensions of the fictional King Kong could not exist.

- **1.** Its bones would fracture under the weight of its own body — **← Mova's choice** · **✓ the right answer** · score 7
- **2.** It would be unable to find sufficiently tall buildings to climb — no support
- **3.** Its voice would be too loud for its own ears — no support
- **4.** Its fur would be too heavy to grow — no support

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**Why:** It took the question to ask which statement is true. It chose option 1 with score 7, the only option with support. Its support: lesson 84, line 13: «Real gorillas weigh up to about 200 kilograms and live mostly on the ground, seldom climbing high; a gorilla as big as a building could not exist, because its…», reached through the same lesson line as the sentence the question matched. What matched: the same doer «bones» (+5); the same place «weight» (+3). Against it: a different action (counts against) (-1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/84-ape-house-gorillas-and-chimpanzees/e4/)

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- ← previous: [83. The elephant house: herds, feet, food and the mo…](https://md.mova.elamur.ai/free/en/school-run/biology/83-elephant-house-herds-feet-food-mouse-myth/)
- next →: [85. The ape house: orangutans, gibbons, bonobos and…](https://md.mova.elamur.ai/free/en/school-run/biology/85-ape-house-orangutans-gibbons-bonobos/)
- ↑ back to [Biology](https://md.mova.elamur.ai/free/en/school-run/biology/)

