Soal Olimpiade Sains Internasional (Test Biology 1)

Test Biology
1. Animals and plants can be grouped by observing their ....
a. diets
b. characteristics
c. habitats
2. Animals without a backbone are called ....
a. vertebrates
b. spineless
c. invertebrates
3. Example of invertebrates are ....
a. coelenterates, flatworms, amphibians, molluscs
b. arthropods, coelenterates, reptiles, molluscs
c. bird, arthropods, coelenterates, molluscs
d. coelenterates, molluscs, flatworms, arthropods
4. The hard covering of invertebrateanimals is known as the ....
a. exoskeleton
b. outer membrane
c. shell
5. Echinoderms are invertebrates that ....
a. live in the sea, have a spiny skin
b. live in water, have flat bodies
c. mostly live in fresh water or in the sea, have shells
d. rounded body devided into section, have a well-developed gut
6. Vertebrate organism have a skeleton because ....
a. it allows them to have limbs for movement
b. it provides support for standing up, swimming, flying, ect
c. it protects their body like armour
7. Examples of coelenterates are ....
a. hydra, sea anemone, insects
b. jellyfish, hydra, sea anemone
c. jellyfish, octopus, planarian
8. The characteristics of coelenterates are ....
a. gut with one opening, tentacles with stingingcells
b. tentacles with stinging cells, well-developed gut
c. large foot, gut with one opening
9. Examples organisms classifid as arthropods are ....
a. insects, spiders, millipedes, starfish
b. millipedes, centipedes, crabs, sea anemone
c. lobsters, crabs, insecta, spiders
d. spiders, snails, hydra, starfish
10. The five groups of vertebrates are ....
a. birds, mammals, reptiles, arthropods, amphibians
b. amphibians, segmented worms, fish, birds, reptiles
c. reptiles, amphibians, birds, mammals, fish

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