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