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