- 1. What is the largest mammal on Earth?
A) Blue whale
B) Kangaroo
C) Giraffe
D) Elephant
- 2. Which of the following is not a deciduous tree?
A) Birch
B) Pine
C) Maple
D) Oak
- 3. What is the process by which plants make their food?
A) Pollination
B) Respiration
C) Photosynthesis
D) Transpiration
- 4. Where is the Great Barrier Reef located?
A) Mexico
B) Caribbean
C) Australia
D) Hawaii
- 5. What is the study of birds called?
A) Ornithology
B) Botany
C) Entomology
D) Zoology
- 6. Which of the following is a renewable energy source?
A) Solar power
B) Coal
C) Nuclear power
D) Natural gas
- 7. What is the process of soil being carried away by wind or water called?
A) Erosion
B) Fertileization
C) Deposition
D) Weathering
- 8. Which of the following is not a type of forest biome?
A) Tropical rainforest
B) Grassland
C) Tundra
D) Taiga
- 9. What gas do plants give off during photosynthesis?
A) Methane
B) Nitrogen
C) Oxygen
D) Carbon dioxide
- 10. Which of the following is not a primary color in the RGB color model?
A) Green
B) Red
C) Yellow
D) Blue
- 11. What is the world's largest desert?
A) Sahara Desert
B) Gobi Desert
C) Antarctica
D) Arabian Desert
- 12. Which animal is known as the 'king of the jungle'?
A) Leopard
B) Tiger
C) Elephant
D) Lion
- 13. What is the largest ocean on Earth?
A) Atlantic Ocean
B) Indian Ocean
C) Pacific Ocean
D) Arctic Ocean
- 14. What is the hardest natural substance on Earth?
A) Diamond
B) Quartz
C) Corundum
D) Topaz
- 15. What is the process of a caterpillar changing into a butterfly?
A) Hibernation
B) Regeneration
C) Metamorphosis
D) Evolution
- 16. What is the process of plants losing water through their leaves called?
A) Transpiration
B) Respiration
C) Irrigation
D) Photosynthesis
- 17. What is the outer layer of the Earth called?
A) Outer core
B) Core
C) Crust
D) Mantle
- 18. What is the process of new plants growing from seeds called?
A) Propagation
B) Fertilization
C) Germination
D) Pollination
- 19. Which planet is known as the 'Red Planet'?
A) Venus
B) Mercury
C) Mars
D) Jupiter
- 20. What is the name of the largest tropical rainforest in the world?
A) Congo Rainforest
B) Amazon Rainforest
C) New Guinea Rainforest
D) Borneo Rainforest
- 21. What is the process of one species evolving to resemble another called?
A) Adaptation
B) Mutation
C) Camouflage
D) Mimicry
- 22. Which of the following is not a renewable resource?
A) Wind
B) Coal
C) Solar
D) Hydropower
- 23. In what process does liquid water become a solid?
A) Melting
B) Condensation
C) Evaporation
D) Freezing
- 24. What is another name for the water cycle?
A) Nitrogen cycle
B) Carbon cycle
C) Hydrologic cycle
D) Oxygen cycle
- 25. Which gas makes up the majority of Earth's atmosphere?
A) Carbon Dioxide
B) Nitrogen
C) Oxygen
D) Argon
- 26. What is the largest terrestrial mammal?
A) Grizzly Bear
B) Rhinoceros
C) Giraffe
D) African Elephant
- 27. What natural disaster is measured using the Richter scale?
A) Tornado
B) Volcano Eruption
C) Hurricane
D) Earthquake
- 28. Which of the following is a common method of seed dispersal in plants?
A) Rolling
B) Eating
C) Burying
D) Wind
- 29. What unit of measurement is used to represent the force of the wind on the Beaufort scale?
A) Kilometers
B) Knots
C) Feet
D) Miles
- 30. Which celestial body is the primary natural satellite of Earth?
A) Moon
B) Venus
C) Mars
D) Jupiter
- 31. What is the term for the process by which plants and animals exchange gases with their environment?
A) Respiration
B) Filtration
C) Transpiration
D) Pollination
- 32. What is the layer of gases that surrounds Earth and is held in place by gravity?
A) Ionosphere
B) Exosphere
C) Atmosphere
D) Geosphere
- 33. What is the study of the relationships between living organisms and their environment?
A) Ecology
B) Entomology
C) Ethnobotany
D) Meteorology
- 34. What is the term for the process by which water soaks into the soil or permeable rock?
A) Desalination
B) Infiltration
C) Exfiltration
D) Irrigation
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