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Record-breakers: the most venomous and poisonous

Tests: 8 of 11 right · Exam: 2 of 4 right · Kind: ★★ · Understood: 11 of 15 · Run: 2026-10-18, commit f3c23ea72

Lesson 188 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 ✗

«it bit me, so it's poisonous right?» What is right?

  • 1. Right, biting means it is poisonous to eat — ← Mova's choice · no support
  • 2. If it bites or stings you, it is venomous — ✓ the right answer · no support
  • 3. Only frogs bite — no support
  • 4. Biting means harmless — 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 · ★★ · wrong ✗

«spotted a scorpion: 8 legs, 2 claws and 1 tail, mate found 3 of them, how many legs»

  • 1. 9 — ← Mova's choice · no support
  • 2. 24 — ✓ the right answer · no support
  • 3. 16 — no support
  • 4. 33 — 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 ✗

«2 wandering spiders n a bee, how many legs»

  • 1. 18 — ← Mova's choice · no support
  • 2. 22 — ✓ the right answer · no support
  • 3. 20 — no support
  • 4. 24 — 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 ✓

«daddy longlegs is the deadliest spider but its fangs are too short, my teacher said» What is right?

  • 1. It has no legs — no support
  • 2. Right, its fangs are too short — no support
  • 3. Right, it kills more people than snakes — no support
  • 4. That is a myth; harvestmen have no venom and cellar spiders weak venom — ← Mova's choice · ✓ the right answer · score 2

Why: It took the question to ask which statement is true. It chose option 4 with score 2, the only option with support. Its support: lesson 38, line 17: «The harvestman, or daddy longlegs, is an arachnid but not a spider: it has a one-piece round body, two eyes, no silk and no venom at all.», reached through the remembered sentence the question matched. What matched: the same thing acted on «arachnid» (+4). Against it: the same doer «harvestman» (-2). · the question and its options parsed, with trees and pragmatics

Test 5 · ★★ · right ✓

«golden frog in the zoo, can i hold it? it's tiny» What should you do?

  • 1. Yes, tiny frogs are always safe — no support
  • 2. Hold it with wet hands — score 2
  • 3. Yes, lick it to check — no support
  • 4. Do not touch it; wild golden frogs are among the most poisonous animals — ← Mova's choice · ✓ the right answer · score 6

Why: It took the question to ask what is done. It chose option 4 with score 6, against 2 for the next best. Its support: lesson 188, line 5: «The golden poison frog is one of the most poisonous animals, with enough poison in its skin to kill several people, and it gets the poison from insects it eats…», reached through the option's own match among the sentences about the question's things. What matched: the same doer «golden poison frog» (+3); the same circumstance (+2); the same light verb (be, have, do, get, go) (+1). · the question and its options parsed, with trees and pragmatics

Test 6 · ★★ · right ✓

In The Jungle Book, the snake Kaa only hypnotises Mowgli. What do real scientists do with snake venom?

  • 1. Collect it to make antivenom that saves lives — ← Mova's choice · ✓ the right answer · score 12
  • 2. Pour it on plants — no support
  • 3. Use it to hypnotise people, like the snake in the films — score 2
  • 4. Nothing, venom is useless — no support

Why: It took the question to ask what is done. It chose option 1 with score 12, against 2 for the next best. Its support: lesson 188, line 6: «Snake venom is collected to make antivenom: tiny amounts are given to horses or sheep, whose blood makes antibodies (helpers that fight the venom), and antiven…», reached through the option's own match among the sentences about the question's things. What matched: it fills the role the question asks for (+4); the same action «collect» (+3); its «because» matches the remembered cause (+3); the same thing acted on «snake venom» (+2). · the question and its options parsed, with trees and pragmatics

Test 7 · ★★ · right ✓

What would happen if you stepped hard on a stingray hiding in the sand?

  • 1. It would bite you with its sharp teeth, like a shark — score 4
  • 2. It might stab you with its tail spine in defence — ← Mova's choice · ✓ the right answer · score 12
  • 3. It would explode — score 4
  • 4. It would chase you — score 4

Why: It took the question to ask what happens next. It chose option 2 with score 12, against 4 for the next best. Its support: lesson 188, line 14: «Stingrays lie buried in sand and stab with their tail spine only when pinned or trodden on, so shuffling your feet in warm shallow sea warns them to swim away.», reached through what followed the sentence the question matched. What matched: the same action «stab» (+4); the same doer «stingrays» (+4); the same circumstance (+4). · the question and its options parsed, with trees and pragmatics

Test 8 · ★★ · right ✓

«bees die every time they sting» What is right?

  • 1. Honeybees die after stinging people, but not after stinging insects — ← Mova's choice · ✓ the right answer · score 8
  • 2. Bees never die from stinging — score 1
  • 3. Only wasps die after stinging; bees can sting people again and again — score 8
  • 4. Right, every time — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 8, tied with another option at 8 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 36, line 14: «Only female bees and wasps sting; a honeybee's barbed sting stays in human skin and the bee dies, while a wasp's smooth sting slides out, so it can sting many…», reached through the same lesson line as the sentence the question matched. What matched: the same action «sting» (+5); the same doer «honeybee» (+3). · the question and its options parsed, with trees and pragmatics

Test 9 · ★★ · right ✓

«found a pretty cone shell, gonna pop it in my pocket» What should you do?

  • 1. Hold it to your ear — no support
  • 2. Squeeze it to check — score 3
  • 3. Leave it: the snail inside can sting with deadly venom — ← Mova's choice · ✓ the right answer · score 5
  • 4. Pocket it, because empty shells are always safe to keep — no support

Why: It took the question to ask what is done. It chose option 3 with score 5, against 3 for the next best. Its support: lesson 31, line 7: «A turtle's shell is part of its skeleton: its ribs and backbone are joined to the bony plates, so it can never leave its shell.», reached through the option's own match among the sentences about the question's things. What matched: it fills the role the question asks for (+4); the same action «leave» (+3); the same thing acted on «shell» (+2). Against it: a different doer (counts against) (-1); one says «not», the other does not (counts against) (-3). · the question and its options parsed, with trees and pragmatics

Test 10 · ★★ · right ✓

«zoo poison frogs aren't poisonous? sounds fake» Why might that be true?

  • 1. Zoo keepers wash them every day, and the soap takes all the poison off — score 3
  • 2. Wild ones get their poison from insects, which zoo frogs do not eat — ← Mova's choice · ✓ the right answer · score 6
  • 3. Zoo frogs are plastic — score 2
  • 4. Zoo frogs are always babies — score 0

Why: It took the question to ask why something happens (its cause). It chose option 2 with score 6, against 3 for the next best. Its support: lesson 32, line 12: «Poison dart frogs warn enemies with bright colours; they get their poison from ants and mites they eat in the wild, so zoo frogs fed on fruit flies are not poi…», reached through the cause of the sentence the question matched. What matched: the same thing acted on «poison» (+4); the same light verb (be, have, do, get, go) (+3). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 11 · ★★ · right ✓

«why glow a scorpion with a lamp, scorpion disco?»

  • 1. To change their colour forever, so that they look prettier — no support
  • 2. To warm them up — no support
  • 3. Scientists use UV lamps to find scorpions at night — ← Mova's choice · ✓ the right answer · score 7
  • 4. To make them dance — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 7, the only option with support. Its support: lesson 188, line 7: «Scorpions glow blue-green under ultraviolet light because of a chemical in their outer layer; scientists are not sure why, but they use UV lamps to find scorpi…», reached through the remembered sentence the question matched. What matched: the same thing acted on «uv lamps» (+4); its «because» matches the remembered cause (+4); the same action «use» (+1). Against it: the same doer «scientists» (-2). · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · right ✓

Identify the distinction between venomous and poisonous animals.

  • 1. Venomous animals inject toxin by bite or sting, whereas poisonous animals are harmful when touched or consumed — ← Mova's choice · ✓ the right answer · score 8
  • 2. Venomous animals are invariably larger — score 3
  • 3. The terms are entirely synonymous — no support
  • 4. Poisonous animals inject toxin, whereas venomous animals are harmful when consumed — score 1

Why: It took the question to ask which statement is true. It chose option 1 with score 8, against 3 for the next best. Its support: lesson 22, line 19: «An Asian elephant named Happy touched a mark on her head after seeing it in a mirror, which suggests she knew the reflection was herself; great apes, dolphins…», reached through the same lesson line as the sentence the question matched. What matched: the same action «touch» (+5); the same doer «asian elephant» (+3). · the question and its options parsed, with trees and pragmatics

Exam question 2 · formal language · right ✓

Ascertain the means by which antivenom is produced.

  • 1. Minute quantities of venom are administered to horses or sheep, whose blood produces antibodies — ← Mova's choice · ✓ the right answer · score 9
  • 2. It is extracted directly from the leaves of plants — no support
  • 3. Venom is combined with sugar and dried — no support
  • 4. Venom is boiled until rendered harmless — no support

Why: It took the question to ask which statement is true. It chose option 1 with score 9, the only option with support. Its support: lesson 87, line 15: «Antivenom is made by giving horses tiny safe doses of venom and collecting the antibodies their blood makes; some blood pressure medicines were first found by…», reached through the same lesson line as the sentence the question matched. What matched: the same action «make» (+5); the same doer «blood» (+3); the same thing acted on «antibodies» (+1). · 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 popular account of the daddy-long-legs?

  • 1. It is true of all spiders without exception — ← Mova's choice · no support
  • 2. It is established scientific fact — no support
  • 3. It is a myth, harvestmen possessing no venom and cellar spiders only weak venom — ✓ the right answer · no support
  • 4. It is true of harvestmen only — 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 ✗

Select the response consistent with the established facts concerning the honeybee's sting.

  • 1. The bee perishes after stinging any creature whatsoever — ← Mova's choice · score 8
  • 2. The bee possesses no stinger — no support
  • 3. The bee never perishes after stinging — score 8
  • 4. The bee perishes after stinging a person, its barbed stinger becoming lodged in the skin — ✓ the right answer · score 8

Why: It took the question to ask which statement is true. It chose option 1 with score 8, tied with another option at 8 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 36, line 14: «Only female bees and wasps sting; a honeybee's barbed sting stays in human skin and the bee dies, while a wasp's smooth sting slides out, so it can sting many…», reached through the same lesson line as the sentence the question matched. What matched: the same action «die» (+5); the same doer «bee» (+3). The right option, 4, scored 8. · the question and its options parsed, with trees and pragmatics

This page in Markdown → https://md.mova.elamur.ai/free/en/school-run/biology/188-record-breakers-the-most-venomous-and-poisonous/