Plants we eat: roots, stems, leaves, flowers, fruits and seeds

Tests: 4 of 12 right · Exam: 1 of 4 right · Kind: ★★ · Understood: 9 of 16 · Run: 2026-10-18, commit f3c23ea72

Lesson 288 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 Bugs Bunny cartoon Bugs crunches carrots all day. Which part of the plant is he eating?

1. The root — ← Mova's choice · ✓ the right answer · no support
2. The seed — no support
3. The fruit — no support
4. The stem — 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 ✗

«potato's a root, obvs, it's in the ground» What is right?

1. It is a seed that never grew — score 0
2. It is a fruit that fell off — no support
3. Yes, it is a root like a carrot or a parsnip — ← Mova's choice · score 8
4. It is a swollen stem, and its eyes are buds — ✓ the right answer · score 8

Why: It took the question to ask which statement is true. It chose option 3 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 288, line 6: «A potato is a swollen underground stem called a tuber, and its eyes are buds; a sweet potato really is a root.», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «root» (+3); the same light verb (be, have, do, get, go) (+3); the same doer «sweet potato» (+2). The right option, 4, scored 8. · the question and its options parsed, with trees and pragmatics

Test 3 · ★★ · wrong ✗

«tomato in a fruit salad?? you're mad» Which is true?

1. It is a root — ← Mova's choice · no support
2. It is a berry, so it is sweet — no support
3. A cook calls it a vegetable, a botanist calls it a fruit — ✓ the right answer · no support
4. It is only a vegetable to everyone, cooks and scientists alike — 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

Test 4 · ★★ · wrong ✗

Count them: a lunchbox has 2 carrots, 3 celery sticks and 4 lettuce leaves. How many roots, stems and leaves?

1. 2 roots, 4 stems and 3 leaves — ← Mova's choice · no support
2. 9 leaves and no roots — no support
3. 2 roots, 3 stems and 4 leaves — ✓ the right answer · no support
4. 5 roots, 0 stems and 4 leaves — 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 5 · ★★ · wrong ✗

What would happen if you put a popcorn kernel with a crack in its shell in the hot pan?

1. It would turn into a seed — ← Mova's choice · no support
2. It would pop twice as big — no support
3. It would not pop well, as the steam escapes — ✓ the right answer · no support
4. It would melt — 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 6 · ★★ · wrong ✗

«mouth on fire!! gimme water quick» What would work better?

1. More cold water, fast — ← Mova's choice · score 4
2. A glass of milk — ✓ the right answer · score 4
3. Holding your breath — no support
4. A spoonful of chilli — score 4

Why: It took the question to ask what it is done to. 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 24, line 13: «Dogs hardly sweat through their skin, so they cool down by panting: water dries off the tongue and takes heat with it, which is called evaporation, and it work…», reached through the remembered sentence the question matched. What matched: the same property (+3); the same action «work» (+1). The right option, 2, scored 4. · the question and its options parsed, with trees and pragmatics

Test 7 · ★★ · wrong ✗

Why do chilli plants not mind birds eating them but put off mice?

1. Birds do not feel the burn and spread the seeds whole — ✓ the right answer · score 5
2. Birds eat only the leaves — score 5
3. Birds are allergic to mice — score 0
4. Mice spread seeds much better than birds, so chillies want mice — ← Mova's choice · score 6

Why: It took the question to ask why something happens (its cause). It chose option 4 with score 6, against 5 for the next best. Its support: lesson 288, line 16: «Chillies contain capsaicin, which makes the mouth feel heat; birds do not feel it and spread chilli seeds, and milk calms the burn better than water.», reached through the option's own match among the sentences about the question's things. What matched: the same action «spread» (+4); the same thing acted on «chilli seeds» (+2). The right option, 1, scored 5. · the question and its options parsed, with trees and pragmatics

Test 8 · ★★ · wrong ✗

«can we share peanuts with the class?» What should you check first?

1. Whether anyone is allergic to peanuts — ✓ the right answer · no support
2. Whether the teacher likes salt on them — no support
3. Whether peanuts are really nuts — ← Mova's choice · score -3
4. Whether the peanuts are cold — no support

Why: It took the question to ask what it is done to. It chose option 3 with score -3, the only option with support. Its support: lesson 288, line 3: «Some surprises hide in the kitchen: a potato is a swollen stem, not a root; a banana is a berry but a strawberry is not; a peanut is not a nut; and chocolate s…», reached through the option's own match among the sentences about the question's things. What matched: the same light verb (be, have, do, get, go) (+1); it fills the role the question asks for (+1). Against it: the same doer «peanut» (-1); one says «not», the other does not (counts against) (-4). The right option, 1, found no support in what it remembers. · the question and its options parsed, with trees and pragmatics

Test 9 · ★★ · right ✓

In a cartoon Popeye eats a tin of spinach and his muscles pop up at once. What is real?

1. Spinach is a healthy leaf, but no food makes muscles grow in seconds — ← Mova's choice · ✓ the right answer · score 5
2. Spinach is poisonous — no support
3. Spinach is a root that makes you strong — score 1
4. Spinach makes muscles grow at once — score 5

Why: It took the question to ask which statement is true. 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 211, line 9: «Lambs skip and play, which builds muscles and friendships, and a ewe, a mother sheep, and her lamb find each other in a noisy field by their calls.», reached through the option's own match among the sentences about the question's things. What matched: the same thing acted on «muscles» (+3); the same action «build» (+2). · the question and its options parsed, with trees and pragmatics

Test 10 · ★★ · right ✓

«you put the onion in the fridge first, why» What does it do?

1. Chilling slows the stinging gas, so fewer tears — ← Mova's choice · ✓ the right answer · score 5
2. It keeps flies off it — no support
3. It kills the onion — no support
4. It makes the onion sweeter — score 4

Why: It took the question to ask why something happens (its cause). It chose option 1 with score 5, against 4 for the next best. Its support: lesson 288, line 15: «Cutting an onion breaks its cells and releases a gas that stings the eyes, tears wash it away, and chilling the onion first slows the gas.», reached through the same lesson line as the sentence the question matched. What matched: the same action «slow» (+3); the same doer «chilling» (+1); the same thing acted on «gas» (+1). · the question and its options parsed, with trees and pragmatics

Test 11 · ★★ · right ✓

«sugar's bad for teeth cos it's sharp» What is the real reason?

1. Mouth bacteria eat sugar and make acid — ← Mova's choice · ✓ the right answer · score 16
2. Sugar turns into stones — no support
3. Sugar crystals cut the teeth like tiny knives — score 2
4. Sugar is too cold — no support

Why: It took the question to ask what it is done to. It chose option 1 with score 16, against 2 for the next best. Its support: lesson 288, line 18: «Sugar comes from sugar cane, a giant grass, or from sugar beet, a root; too much sugar harms teeth because mouth bacteria eat it and make acid.», reached through a sentence linked to the one the question matched. What matched: the same action «eat» (+5); the same doer «mouth bacteria» (+4); it fills the role the question asks for (+4); the same thing acted on «sugar» (+3). · the question and its options parsed, with trees and pragmatics

Test 12 · ★★ · wrong ✗

Why do farmers plant new banana plants from shoots and not from seeds?

1. Banana seeds are poisonous — no support
2. Shoots are cheaper than water — no support
3. Shop bananas have no proper seeds — ✓ the right answer · no support
4. Seeds grow only in Mexico — ← Mova's choice · score 3

Why: It took the question to ask why something happens (its cause). It chose option 4 with score 3, the only option with support. Its support: lesson 120, line 13: «Wood mice and field mice store seeds, nuts and berries in burrows or under logs for winter, and forgotten seeds can grow into new plants.», reached through the option's own match among the sentences about the question's things. What matched: the same action «grow» (+4). Against it: the same doer «forgotten seeds» (-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 part of the plant constituted by the potato tuber.

1. A modified leaf — no support
2. A fruit containing seeds — ← Mova's choice · score 7
3. A swollen underground stem bearing buds — ✓ the right answer · score 4
4. A root of the same nature as the carrot — no support

Why: It took the question to ask which statement is true. It chose option 2 with score 7, against 4 for the next best. 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 thing acted on «seeds» (+3); the same action «hold» (+2); the same doer «part» (+2). The right option, 3, scored 4. · 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 botanical status of the tomato?

1. It is a fruit, being that part of the plant which contains the seeds — ← Mova's choice · ✓ the right answer · no support
2. It is a flower bud — no support
3. It is a modified stem — no support
4. It is a root vegetable — 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 · wrong ✗

Select the response consistent with the established facts concerning the bursting of the popcorn kernel.

1. Air is drawn into the kernel by the oil — ← Mova's choice · no support
2. The seed germinates instantaneously — no support
3. Water within the kernel is converted into steam, which ruptures the shell — ✓ the right answer · no support
4. The shell dissolves upon heating — 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 ✗

Ascertain the agent which calms the burning sensation produced by capsaicin most effectively.

1. Water — ← Mova's choice · no support
2. Milk — ✓ the right answer · no support
3. Common salt — no support
4. Sugar — 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/288-plants-we-eat-roots-stems-leaves-flowers-fruits-and-seeds/