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