---
title: Weeds and wildflowers: dandelions, nettles, daisies, clover and plan… — how Mova does on the tests · Biology
description: Lesson 340 of the biology course of Mova's primary school: 9 of 12 tests right, exam 1 of 4, every question with the options, the student's choice, the right answer and why it chose.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/school-run/biology/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [at school](https://md.mova.elamur.ai/free/en/school-run/) / [Biology](https://md.mova.elamur.ai/free/en/school-run/biology/) / 340

# Weeds and wildflowers: dandelions, nettles, daisies, clover and plantain

<!-- .vintro -->
**Tests:** 9 of 12 right · **Exam:** 1 of 4 right · **Kind:** ★★★ · **Understood:** 10 of 16 · **Run:** 2026-10-18, commit `f3c23ea72`

<!-- .vabout -->
Lesson 340 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/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/).

<!-- .vabout -->
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/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/).

<!-- div qa ok -->

### Test 1 · ★★★ · right ✓ {#t1}

<!-- .q -->
«ha! chin's yellow, you love butter, admit it» What is true?

- **1.** It glows only on boys — no support
- **2.** Only butter lovers glow — no support
- **3.** Everyone's chin glows; the shiny petals reflect light — **← Mova's choice** · **✓ the right answer** · score 6
- **4.** Only people who love butter glow, so it really is a good test — no support

<!-- .why -->
**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 340, line 14: «A buttercup held under the chin makes a yellow glow because a shiny layer in its petals reflects light; everyone's chin glows, so it proves nothing about likin…», reached through the same lesson line as the sentence the question matched. What matched: the same action «reflect» (+4); the same thing acted on «light» (+1); a different doer (counts against) (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/t1/)

<!-- /div -->

<!-- div qa ok -->

### Test 2 · ★★★ · right ✓ {#t2}

<!-- .q -->
«dad says dandelions are weeds, kill 'em all» Is a weed a kind of plant or an idea?

- **1.** A kind of plant, always poisonous — no support
- **2.** A kind of plant with no flowers — no support
- **3.** An idea: a weed is a plant where people do not want it — **← Mova's choice** · **✓ the right answer** · score 4
- **4.** A kind of plant: weeds are always poisonous and only grow on lawns — no support

<!-- .why -->
**Why:** It took the question to ask which statement is true. It chose option 3 with score 4, the only option with support. Its support: lesson 340, line 13: «A weed is just a plant growing where people do not want it; many weeds feed bees and other insects, and dandelions are among the first food for bees in spring.», 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) (+2); the same doer «weed» (+1); the same thing acted on «plant» (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/t2/)

<!-- /div -->

<!-- div qa no -->

### Test 3 · ★★★ · wrong ✗ {#t3}

<!-- .q -->
What would happen to early spring bees if every dandelion were sprayed?

- **1.** They would lose one of their first foods — **✓ the right answer** · score 0
- **2.** Nothing, bees never visit dandelions — score 0
- **3.** They would get more food — **← Mova's choice** · score 1
- **4.** They would eat the grass instead — score 1

<!-- .why -->
**Why:** It took the question to ask what happens next. It chose option 3 with score 1, tied with another option at 1 (the first shown, or the one claiming less beyond what it knows, wins). Its support: lesson 36, line 13: «Bees make honey from nectar by passing it between workers and fanning it until most of the water is gone; one worker makes only about a twelfth of a teaspoon i…», reached through what followed the sentence the question matched. What matched: the same doer «bees» (+1). The right option, 1, scored 0. · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/t3/)

<!-- /div -->

<!-- div qa ok -->

### Test 4 · ★★★ · right ✓ {#t4}

<!-- .q -->
«nettles are useless, rip 'em all out» What would a butterfly fan say?

- **1.** Nettles poison all butterflies — score -2
- **2.** Rip them out, because nettle leaves poison every kind of butterfly — score 4
- **3.** Butterflies only eat roses — no support
- **4.** Leave some; peacock and red admiral caterpillars need them — **← Mova's choice** · **✓ the right answer** · score 6

<!-- .why -->
**Why:** It took the question to ask what it is done to. It chose option 4 with score 6, against 4 for the next best. Its support: lesson 340, line 8: «Peacock and red admiral caterpillars eat nettles, so a nettle patch helps butterflies, and young nettles can be cooked into soup and lose their sting.», reached through the same lesson line as the sentence the question matched. What matched: the same doer «peacock caterpillars» (+4); it fills the role the question asks for (+3); the same thing acted on «nettles» (+2). Against it: a different action (counts against) (-3). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/t4/)

<!-- /div -->

<!-- div qa ok -->

### Test 5 · ★★★ · right ✓ {#t5}

<!-- .q -->
Why would a plant need stings?

- **1.** To keep warm in winter — no support
- **2.** To help its seeds fly — no support
- **3.** To catch flies for food — no support
- **4.** To stop animals eating it — **← Mova's choice** · **✓ the right answer** · score 2

<!-- .why -->
**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 57, line 13: «Nettle hairs have glass-like tips that snap off and inject stinging chemicals; the sting stops grazing animals, so few animals eat nettles, and cooking destroy…», reached through the option's own match among the sentences about the question's things. What matched: the same action «stop» (+1); the same thing acted on «grazing animals» (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/t5/)

<!-- /div -->

<!-- div qa ok -->

### Test 6 · ★★★ · right ✓ {#t6}

<!-- .q -->
In a cartoon a girl blows a dandelion clock and says «three o'clock!». What is right?

- **1.** She is right: each puff is one hour, so it works in summer when the seeds are ripe — no support
- **2.** Each seed is one minute — no support
- **3.** The puffs do not tell the time; the seeds just fly off on parachutes — **← Mova's choice** · **✓ the right answer** · score 4
- **4.** Dandelions keep exact time — no support

<!-- .why -->
**Why:** It took the question to ask which statement is true. It chose option 3 with score 4, the only option with support. Its support: lesson 340, line 5: «Each dandelion seed hangs from a tiny parachute, a dandelion clock holds about 150 to 200 seeds, and blowing it does not tell the time.», reached through a sentence linked to the one the question matched. What matched: the same action «tell» (+3); the same property (+2). Against it: a different doer (counts against) (-1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/t6/)

<!-- /div -->

<!-- div qa ok -->

### Test 7 · ★★★ · right ✓ {#t7}

<!-- .q -->
«nan put a plantain leaf on my cut knee, that's proper medicine innit» What is best?

- **1.** Clean the cut with water and cover it with a plaster — **← Mova's choice** · **✓ the right answer** · score 7
- **2.** Rub dirt in to stop the blood — no support
- **3.** Leave the leaf on for a week — score 1
- **4.** A leaf is better than any plaster, so leave it on for a week — score 2

<!-- .why -->
**Why:** It took the question to ask which statement is true. It chose option 1 with score 7, against 2 for the next best. Its support: lesson 340, line 12: «Ribwort plantain stems can be looped to flick their heads like little guns, and in Ukraine people put plantain leaves on cuts, but a cut is best cleaned with w…», reached through the same lesson line as the sentence the question matched. What matched: the same action «cover» (+4); the same circumstance (+3). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/t7/)

<!-- /div -->

<!-- div qa ok -->

### Test 8 · ★★★ · right ✓ {#t8}

<!-- .q -->
Why do daisies survive a lawnmower?

- **1.** Mowers cannot cut white flowers — no support
- **2.** They grow low, so the blades pass over them — **← Mova's choice** · **✓ the right answer** · score 4
- **3.** Their stems are made of metal — no support
- **4.** They pull themselves underground — no support

<!-- .why -->
**Why:** It took the question to ask why something happens (its cause). It chose option 2 with score 4, the only option with support. Its support: lesson 340, line 9: «A daisy is not one flower but hundreds of tiny flowers packed together; its name comes from «day's eye» because it opens in the day, and it grows low so mowers…», reached through the same lesson line as the sentence the question matched. What matched: the same action «grow» (+4); the same property (+2). Against it: a different doer (counts against) (-2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/t8/)

<!-- /div -->

<!-- div qa no -->

### Test 9 · ★★★ · wrong ✗ {#t9}

<!-- .q -->
Why are four-leaf clovers rare?

- **1.** Bees nibble the fourth leaf off most of them — **← Mova's choice** · no support
- **2.** Four-leaf clovers grow only high on mountains, where cows eat most of them first — no support
- **3.** They only grow on 29 February — no support
- **4.** Clover nearly always grows three leaflets, and a fourth is an unusual change — **✓ the right answer** · no support

<!-- .why -->
**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/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/t9/)

<!-- /div -->

<!-- div qa no -->

### Test 10 · ★★★ · wrong ✗ {#t10}

<!-- .q -->
Why would a flower close at night?

- **1.** To sleep like a person — **← Mova's choice** · no support
- **2.** To sleep through the dark hours, like a person, and wake up fresh — no support
- **3.** To hide from the moon — no support
- **4.** To protect its pollen from cold and damp when bees are not flying — **✓ the right answer** · no support

<!-- .why -->
**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/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/t10/)

<!-- /div -->

<!-- div qa ok -->

### Test 11 · ★★★ · right ✓ {#t11}

<!-- .q -->
Count them: 3 rabbits nibble the clover and a fox watches from the hedge. How many ears and how many tails?

- **1.** 8 ears and 4 tails — **← Mova's choice** · **✓ the right answer** · no support
- **2.** 8 ears and 3 tails — no support
- **3.** 6 ears and 4 tails — no support
- **4.** 4 ears and 4 tails — no support

<!-- .why -->
**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/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/t11/)

<!-- /div -->

<!-- div qa ok -->

### Test 12 · ★★★ · right ✓ {#t12}

<!-- .q -->
A farmer's field has no fertiliser but a lot of clover, and the next crop grows well. What explains it?

- **1.** Rabbits watered the field — no support
- **2.** Bees brought fertiliser from the town — no support
- **3.** Bacteria in clover root lumps made fertiliser from the air — **← Mova's choice** · **✓ the right answer** · score 11
- **4.** Clover leaves fell and turned into soil overnight — no support

<!-- .why -->
**Why:** It took the question to ask who or what does it. It chose option 3 with score 11, the only option with support. Its support: lesson 340, line 11: «Clover roots have tiny lumps full of helpful bacteria that make natural fertiliser from the air, so farmers grow clover to feed the soil.», reached through the remembered sentence the question matched. What matched: it fills the role the question asks for (+4); the same action «make» (+2); the same doer «helpful bacteria» (+2); the same place «air» (+2). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/t12/)

<!-- /div -->

<!-- div qa no -->

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

<!-- .q -->
Which of the following statements most accurately characterises the term «weed»?

- **1.** It denotes a distinct botanical family of poisonous plants — **← Mova's choice** · no support
- **2.** It denotes any plant growing in a location where its presence is not desired — **✓ the right answer** · no support
- **3.** It denotes exclusively plants bearing yellow flowers — no support
- **4.** It denotes plants that are incapable of producing seed — no support

<!-- .why -->
**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/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/e1/)

<!-- /div -->

<!-- div qa no -->

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

<!-- .q -->
Identify the mechanism by which the common nettle inflicts its sting.

- **1.** Small teeth upon the stem lacerate the skin — **← Mova's choice** · no support
- **2.** The leaves emit a heated vapour upon contact — no support
- **3.** The roots discharge a venom into the surrounding soil — no support
- **4.** Brittle hairs fracture upon contact and introduce irritant chemicals into the skin — **✓ the right answer** · no support

<!-- .why -->
**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/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/e2/)

<!-- /div -->

<!-- div qa no -->

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

<!-- .q -->
Select the response consistent with the established facts concerning the cultivation of clover by farmers.

- **1.** Clover is cultivated solely for the purpose of obtaining four-leaf specimens, which command a high price at market — **← Mova's choice** · no support
- **2.** Bacteria within nodules upon the roots of clover produce fertiliser from the air, enriching the soil — **✓ the right answer** · no support
- **3.** Clover deprives the soil of all nourishment — no support
- **4.** Clover repels all insects from the field — no support

<!-- .why -->
**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/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/e3/)

<!-- /div -->

<!-- div qa ok -->

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

<!-- .q -->
Ascertain the cause of the yellow reflection produced when a buttercup is held beneath the chin.

- **1.** The skin of the subject emits a yellow light in sunshine — no support
- **2.** The subject's fondness for butter is thereby demonstrated — no support
- **3.** Pollen is deposited upon the skin of the subject — no support
- **4.** A glossy layer within the petals reflects light, irrespective of any preference of the subject — **← Mova's choice** · **✓ the right answer** · score 5

<!-- .why -->
**Why:** It took the question to ask which statement is true. It chose option 4 with score 5, the only option with support. Its support: lesson 340, line 14: «A buttercup held under the chin makes a yellow glow because a shiny layer in its petals reflects light; everyone's chin glows, so it proves nothing about likin…», reached through the same lesson line as the sentence the question matched. What matched: the same action «reflect» (+4); the same thing acted on «light» (+1). · [the question and its options parsed, with trees and pragmatics](https://md.mova.elamur.ai/free/en/corpora/questions/biology/340-weeds-and-wildflowers-dandelions-nettles-daisies-clover-and-plantain/e4/)

<!-- /div -->

<!-- pn -->
- ← previous: [339. Park trees: telling oaks, maples, chestnuts, bir…](https://md.mova.elamur.ai/free/en/school-run/biology/339-park-trees-telling-oaks-maples-chestnuts-birches-limes-and-willows-apart/)
- next →: [341. Where milk comes from: cow to carton, cheese, bu…](https://md.mova.elamur.ai/free/en/school-run/biology/341-where-milk-comes-from-cow-to-carton-cheese-butter-and-yoghurt/)
- ↑ back to [Biology](https://md.mova.elamur.ai/free/en/school-run/biology/)