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How plants protect themselves

1st grade (Year 2 in England) · 16 questions · Common Core: NGSS.1-LS1-1 · England: KS1 Y1 Plants, KS2 Y6 Evolution and inheritance

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1
Question 1
Plants cannot run away. How do thorns help a plant survive?
- A. They attract bees.
- B. They make the plant grow faster.
- C. They help the plant drink.
- D. They stop animals eating the plant.
2
Question 2
True or false? Plants can run away from animals that eat them.
- A. True
- B. False
3
Question 3
How is this plant part protected: a pine tree wound?
- A. tiny stinging hairs
- B. sticky sap (resin)
- C. thick, tough bark
- D. prickly edges
4
Question 4
Holly leaves near the ground are very prickly, but leaves high up are often smoother. Why might this be?
- A. High leaves are not real leaves.
- B. Animals like deer can only reach the low leaves.
- C. High leaves are older.
- D. The wind blows the prickles off.
5
Question 5
True or false? All plants are safe to eat.
- A. True
- B. False
6
Question 6
How is this plant part protected: a cactus?
- A. spines instead of flat leaves
- B. sticky sap (resin)
- C. sharp thorns
- D. thick, tough bark
7
Question 7
Engineers copied thorny plants to design…
- A. barbed fences that keep animals in or out
- B. quiet shoes
- C. soft pillows
- D. smooth slides
8
Question 8
True or false? Nettles sting to stop animals eating them.
- A. True
- B. False
9
Question 9
How is this plant part protected: an oak tree trunk?
- A. thick, tough bark
- B. spines instead of flat leaves
- C. sharp thorns
- D. tiny stinging hairs
10
Question 10
Holly leaves near the ground are very prickly, but leaves high up are often smoother. Why might this be?
- A. Animals like deer can only reach the low leaves.
- B. The wind blows the prickles off.
- C. High leaves are older.
- D. High leaves are not real leaves.
11
Question 11
True or false? Cactus spines are a kind of leaf.
- A. True
- B. False
12
Question 12
How is this plant part protected: a stinging nettle?
- A. prickly edges
- B. tiny stinging hairs
- C. thick, tough bark
- D. spines instead of flat leaves
13
Question 13
Engineers copied thorny plants to design…
- A. quiet shoes
- B. smooth slides
- C. soft pillows
- D. barbed fences that keep animals in or out
14
Question 14
True or false? Cactus spines are a kind of leaf.
- A. True
- B. False
15
Question 15
How is this plant part protected: a rose stem?
- A. prickly edges
- B. tiny stinging hairs
- C. thick, tough bark
- D. sharp thorns
16
Question 16
Some plants taste very bitter. How does this help them?
- A. It helps them make food.
- B. Animals learn not to eat them.
- C. It makes their flowers bigger.
- D. It makes them taller.

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Answer key: How plants protect themselves

1. D. They stop animals eating the plant.
2. B. False
3. B. sticky sap (resin)
4. B. Animals like deer can only reach the low leaves.
5. B. False
6. A. spines instead of flat leaves
7. A. barbed fences that keep animals in or out
8. A. True
9. A. thick, tough bark
10. A. Animals like deer can only reach the low leaves.
11. A. True
12. B. tiny stinging hairs
13. D. barbed fences that keep animals in or out
14. A. True
15. D. sharp thorns
16. B. Animals learn not to eat them.