Science: Middle School: Grades 6, 7 and 8 Quiz - Variation and Classification 1 (Questions)

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Differences in the same species is called 'Variation'. In your Science lessons you will no doubt be learning about Variation and Classification.

Try this first quiz on the subject to see how much you remember from your studies.

1. Which one of the following shows discontinuous variation?
[ ] Eye color
[ ] Height
[ ] Strength
[ ] Weight
2. Which one of the following shows continuous variation?
[ ] Blood group
[ ] Height
[ ] Male or female
[ ] Tongue rolling
3. Which one of the following is an inherited variation?
[ ] Blood group
[ ] Long hair
[ ] Scar on your knee
[ ] Speaking English
4. Which one of the following is an environmental variation?
[ ] Attached ear lobes
[ ] Eye color
[ ] Male or female
[ ] Short hair
5. Animals with a backbone are called what?
[ ] Carnivores
[ ] Herbivores
[ ] Invertebrates
[ ] Vertebrates
6. Which of the following animals have a backbone?
[ ] Bee
[ ] Lobster
[ ] Spider
[ ] Trout
7. Which of the following groups is warm blooded?
[ ] Amphibians
[ ] Birds
[ ] Insects
[ ] Reptiles
8. Which of the following groups breathe through moist skin and lungs, and need water to breed?
[ ] Amphibians
[ ] Crustaceans
[ ] Fish
[ ] Reptiles
9. Which group do Seals belong to?
[ ] Amphibians
[ ] Fish
[ ] Mammals
[ ] Reptiles
10. Which is the odd one out?
[ ] Frog
[ ] Lizard
[ ] Newt
[ ] Toad
Science: Middle School: Grades 6, 7 and 8 Quiz - Variation and Classification 1 (Answers)
1. Which one of the following shows discontinuous variation?
[x] Eye color
[ ] Height
[ ] Strength
[ ] Weight
This is controlled only by genes
2. Which one of the following shows continuous variation?
[ ] Blood group
[x] Height
[ ] Male or female
[ ] Tongue rolling
3. Which one of the following is an inherited variation?
[x] Blood group
[ ] Long hair
[ ] Scar on your knee
[ ] Speaking English
Inherited variation depends on genes
4. Which one of the following is an environmental variation?
[ ] Attached ear lobes
[ ] Eye color
[ ] Male or female
[x] Short hair
Environmental variation is not dependent on genes
5. Animals with a backbone are called what?
[ ] Carnivores
[ ] Herbivores
[ ] Invertebrates
[x] Vertebrates
6. Which of the following animals have a backbone?
[ ] Bee
[ ] Lobster
[ ] Spider
[x] Trout
All the others are invertebrates
7. Which of the following groups is warm blooded?
[ ] Amphibians
[x] Birds
[ ] Insects
[ ] Reptiles
Mammals and birds are the only warm blooded groups of animals
8. Which of the following groups breathe through moist skin and lungs, and need water to breed?
[x] Amphibians
[ ] Crustaceans
[ ] Fish
[ ] Reptiles
9. Which group do Seals belong to?
[ ] Amphibians
[ ] Fish
[x] Mammals
[ ] Reptiles
Mammals give birth to live young and suckle their young
10. Which is the odd one out?
[ ] Frog
[x] Lizard
[ ] Newt
[ ] Toad
Lizards are reptiles, the others are all amphibians