Seeds and fruit and how they travel

Tests: 9 of 12 right · Exam: 0 of 4 right · Kind: plain · Understood: 14 of 16 · Run: 2026-10-18, commit f3c23ea72

Lesson 59 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 my cartoon the tomato's in the veg gang. is it a fruit or a veg then?

1. It is a nut, because it has seeds — no support
2. To a scientist it's a fruit, as it holds seeds; cooks say veg — ← Mova's choice · ✓ the right answer · score 3
3. It is a root, like a carrot — no support
4. It is only a vegetable because it is not sweet like the real fruits — no support

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 59, line 5: «Cartoons show a tomato as a vegetable and a banana full of big seeds; to a scientist a fruit is the part that grows from the flower and holds the seeds, so a t…», reached through a sentence linked to the one the question matched. What matched: the same action «hold» (+2); the same thing acted on «seeds» (+2). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Test 2 · right ✓

Why would a plant want its seeds to land far from it?

1. Because the soil right round the parent plant is always poisonous to seeds — no support
2. So the young plants don't fight the parent for light, water and space — ← Mova's choice · ✓ the right answer · score 3
3. So birds find them more easily — score 3
4. So it can get a rest from its children — no support

Why: It took the question to ask why something happens (its cause). It chose option 2 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 56, line 12: «Water inside plant cells pushes outwards and keeps stems firm, like air in a balloon; without enough water the plant wilts.», reached through the option's own match among the sentences about the question's things. What matched: the same doer «plant» (+3); the same circumstance (+2). Against it: a different action (counts against) (-2). · the question and its options parsed, with trees and pragmatics

Test 3 · right ✓

How could you test which helicopter seeds fall slowest?

1. Drop them from the same height and time each, one change at a time — ← Mova's choice · ✓ the right answer · score 5
2. Throw them as hard as you can — score 5
3. Count how many are on the ground under the tree after a windy night — no support
4. Paint them and see which looks fastest — no support

Why: It took the question to ask what something is like. 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 2, line 17: «A strangler fig starts from a seed dropped high on a tree by a bird, sends roots down to the ground and wraps the host, which may die and rot away inside it.», reached through the option's own match among the sentences about the question's things. What matched: the same action «drop» (+5). · the question and its options parsed, with trees and pragmatics

Test 4 · wrong ✗

Why would most seeds die if they were carried by sea water?

1. They would get too cold in the deep water — ← Mova's choice · score 5
2. Salt water gets in and kills them, and they sink — ✓ the right answer · score 5
3. Sea water makes them grow far too fast and they burst — score 5
4. Fish always eat them — score 1

Why: It took the question to ask why something happens (its cause). 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 56, line 6: «A seed takes in water, swells and splits; first a root grows down, then a shoot grows up, and this is called germination.», reached through the option's own match among the sentences about the question's things. What matched: the same doer «seed» (+3); the same place «water» (+2). The right option, 2, scored 5. · the question and its options parsed, with trees and pragmatics

Test 5 · right ✓

Why are many unripe fruits green, hard and sour?

1. So they look like leaves to the Sun — no support
2. Because they are a different kind of fruit from the ripe ones — no support
3. So animals don't eat them before the seeds are ready — ← Mova's choice · ✓ the right answer · score 5
4. Because they are still cold — no support

Why: It took the question to ask why something happens (its cause). It chose option 3 with score 5, the only option with support. Its support: lesson 59, line 14: «Unripe fruits are often green, hard and sour so animals do not eat them before the seeds are ready; ripe ones turn soft, sweet and bright.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «seeds» (+3); the same light verb (be, have, do, get, go) (+2). · the question and its options parsed, with trees and pragmatics

Test 6 · wrong ✗

Why might an oak tree grow better far from its parent?

1. It misses its parent and grows angry — ← Mova's choice · score 5
2. Oaks grow better in the deep shade of other, bigger oaks around them — no support
3. Acorns only grow near water — score 5
4. It gets more light and doesn't share water and soil with a giant — ✓ the right answer · score 2

Why: It took the question to ask why something happens (its cause). 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 12, line 6: «A tree grows one new ring of wood each year, light spring wood and darker summer wood; wide rings mean good years and thin rings mean hard dry years.», reached through the option's own match among the sentences about the question's things. What matched: the same doer «tree» (+3); the same action «grow» (+2). The right option, 4, scored 2. · the question and its options parsed, with trees and pragmatics

Test 7 · right ✓

Why might gorse pods burst on a hot dry day instead of a wet one?

1. The pods are scared of thunder — no support
2. Hot days make the seeds jump by themselves, like fleas on a dog — no support
3. Dry, windy weather spreads seeds best, and pods twist as they dry — ← Mova's choice · ✓ the right answer · score 5
4. Rain makes them explode too early — no support

Why: It took the question to ask why something happens (its cause). It chose option 3 with score 5, the only option with support. Its support: lesson 59, line 12: «Gorse, broom and Himalayan balsam have pods that dry and twist on hot dry days until they burst and fling the seeds out, and the sandbox tree flings its seeds…», reached through the option's own match among the sentences about the question's things. What matched: the same doer «pods» (+3); the same action «twist» (+2). · the question and its options parsed, with trees and pragmatics

Test 8 · right ✓

Why would you keep seeds somewhere very cold and dry?

1. It slows everything down so they stay alive for a very long time — ← Mova's choice · ✓ the right answer · score 8
2. To kill the bad ones — no support
3. So they grow faster when they are warmed up again — score 5
4. So no one can find them — score 3

Why: It took the question to ask why something happens (its cause). It chose option 1 with score 8, against 5 for the next best. Its support: lesson 59, line 15: «The Svalbard Global Seed Vault in Norway stores over a million seed samples deep in a frozen mountain, as a back-up if crops are lost; cold and dryness slow a…», reached through the option's own match among the sentences about the question's things. What matched: the same doer «seed» (+3); the same action «stay» (+2); its «because» matches the remembered cause (+2); the same property (+1). · the question and its options parsed, with trees and pragmatics

Test 9 · right ✓

blackbird ate the rowan berries then pooed the seeds out on our car. gross. seeds dead?

1. Yes, but only in winter — no support
2. No, because they never went in, it spat them out — no support
3. No, they pass through unharmed and can still grow — ← Mova's choice · ✓ the right answer · score 6
4. Yes, the bird's tummy digests every seed — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 6, the only option with support. Its support: lesson 59, line 9: «Birds eat berries, and the seeds pass through unharmed and come out in their droppings far away; some berries are poisonous to people, so never eat wild berrie…», reached through the same lesson line as the sentence the question matched. What matched: the same action «pass through» (+4); the same property (+2). · the question and its options parsed, with trees and pragmatics

Test 10 · right ✓

What do both the ant and the violet get from their deal?

1. The ant gets food, and the violet gets its seed carried to rich soil — ← Mova's choice · ✓ the right answer · score 8
2. Only the violet gets anything — no support
3. The ant gets a home and the violet gets water — no support
4. Only the ant gets anything — no support

Why: It took the question to ask what it is done to. It chose option 1 with score 8, the only option with support. Its support: lesson 36, line 10: «Leafcutter ants do not eat the leaves they carry: they chew them to grow a fungus garden underground and eat the fungus.», reached through the same lesson line as the sentence the question matched. What matched: the same action «carry» (+4); the same doer «ants» (+4). · the question and its options parsed, with trees and pragmatics

Test 11 · wrong ✗

How might a seed that waits a long time help a plant survive bad years?

1. It can sprout later, when the drought or cold is over — ✓ the right answer · score 9
2. It can't, waiting always kills seeds after a year or two in the soil — ← Mova's choice · score 10
3. It keeps the parent plant alive — score 6
4. It turns into a new kind of plant — score 9

Why: It took the question to ask what something is like. It chose option 2 with score 10, against 9 for the next best. Its support: lesson 5, line 12: «Desert seeds can wait in the soil for years and, after heavy rain, sprout, flower and seed within a few weeks, sometimes as a superbloom even in the Atacama.», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+7); the same place «soil» (+4); the same property (+3). Against it: the same doer «desert seeds» (-1); a different action (counts against) (-3). The right option, 1, scored 9. · the question and its options parsed, with trees and pragmatics

Test 12 · right ✓

Is a banana in the shop full of real seeds like in old cartoons?

1. Yes, it has big hard seeds — no support
2. No, its seeds are in the skin — no support
3. No, it has only tiny dark dots instead of real seeds — ← Mova's choice · ✓ the right answer · score 3
4. Yes, and you must spit them all out like cherry stones — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 3, the only option with support. Its support: lesson 59, line 5: «Cartoons show a tomato as a vegetable and a banana full of big seeds; to a scientist a fruit is the part that grows from the flower and holds the seeds, so a t…», reached through the option's own match among the sentences about the question's things. What matched: the same circumstance (+2); the same thing acted on «tiny dots» (+1); the same light verb (be, have, do, get, go) (+1). Against it: a different doer (counts against) (-1). · the question and its options parsed, with trees and pragmatics

Exam question 1 · formal language · wrong ✗

Identify the means by which the seed of the dandelion is dispersed.

1. By wind, the descent being slowed by a parachute of fine hairs — ✓ the right answer · score 2
2. By the adherence of small hooks to the fur of passing animals — no support
3. By water, the seed being buoyant — ← Mova's choice · score 3
4. By explosive rupture of a pod — no support

Why: It took the question to ask which statement is true. It chose option 3 with score 3, against 2 for the next best. Its support: lesson 59, line 1: «A seed is a baby plant packed with a lunchbox, and the worst place for it to land is right under its parent, where it would fight for light, water and space, s…», reached through the option's own match among the sentences about the question's things. What matched: the same circumstance (+2); the same doer «seed» (+1). The right option, 1, scored 2. · the question and its options parsed, with trees and pragmatics

Exam question 2 · formal language · wrong ✗

Which of the following statements most accurately characterises a fruit as defined by botanists?

1. Any part of a plant that tastes sweet — ← Mova's choice · score 10
2. A leaf modified for storage of sugar — no support
3. The structure developed from the flower and enclosing the seeds — ✓ the right answer · no support
4. Any edible part of a plant grown underground in the manner of the potato — score 4

Why: It took the question to ask who or what does it. It chose option 1 with score 10, against 4 for the next best. Its support: lesson 59, line 13: «A fruit is the part of a plant that grows from the flower and holds the seeds, so tomatoes, peppers, cucumbers and pea pods are fruits to a scientist, though c…», reached through the same lesson line as the sentence the question matched. What matched: it fills the role the question asks for (+5); the same doer «plant» (+4); 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 3 · formal language · wrong ✗

Select the response consistent with the established facts concerning the dispersal of the coconut.

1. It is flung explosively from the palm — ← Mova's choice · no support
2. It is buried by squirrels in the sand — no support
3. It is carried by the sea, the fibrous husk affording buoyancy — ✓ the right answer · no support
4. It is carried by birds that consume the entire fruit and its husk — 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 4 · formal language · wrong ✗

Ascertain the principal purpose of the Svalbard Global Seed Vault.

1. The investigation of the effects of prolonged cold upon growth — ← Mova's choice · no support
2. The cultivation of vegetables beneath the ice — no support
3. The commercial sale of seeds to visitors — no support
4. The preservation of seed samples against the loss of crops — ✓ 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

This page in Markdown → https://md.mova.elamur.ai/free/en/school-run/biology/59-seeds-and-fruit-and-how-they-travel/