2025年四年级英语下册生物栖息地与生态平衡的英语描述试卷及答案

2025 年四年级英语下册生物栖息地与生态平衡的英语描述试卷及答 案 Part I: Multiple Choice (Single Answer) 1. A place where a plant or animal naturally lives is called its ______. A) food B) habitat C) nest D) toy 2. Which of these is a freshwater habitat? A) Desert B) Ocean C) River D) Mountain 3. Animals like camels are adapted to live in ______. A) forests B) deserts C) oceans D) cities 4. What do we call animals that only eat plants? A) Carnivores B) Omnivores C) Herbivores D) Scavengers 5. Cutting down too many trees is called ______. A) planting B) deforestation C) recycling D) hibernation 6. Which animal is a predator in the forest habitat? A) Rabbit B) Deer C) Fox D) Butterfly 7. Coral reefs are important habitats in the ______. A) desert B) ocean C) grassland D) Arctic 8. Bees help flowers by ______. A) eating them B) pollinating them C) hiding them D) destroying them 9. What happens if a habitat is destroyed? A) Animals find new homes easily B) Biodiversity increases C) Animals may become endangered D) Plants grow faster 10. What is an example of a decomposer? A) Lion B) Eagle C) Mushroom D) Grass Part II: Multiple Choice (Multiple Answers) 11. Which TWO are parts of a forest habitat? A) Cacti B) Tall trees C) Dolphins D) Ferns 12. Select TWO ways humans harm habitats. A) Planting native flowers B) Building factories C) Throwing plastic in oceans D) Creating nature reserves 13. Which TWO are freshwater habitats? A) Pond B) Sea C) Lake D) Desert 14. Choose TWO animals that live in grasslands. A) Polar bear B) Zebra C) Lion D) Shark 15. TWO examples of adaptations are: A) Fish having gills B) Birds building nests C) Trees losing leaves in winter D) Humans wearing coats 16. Which TWO are threats to ocean habitats? A) Coral bleaching B) Overfishing C) Planting mangroves D) Beach cleanups 17. TWO ways to protect habitats are: A) Recycling paper B) Littering in parks C) Using less plastic D) Hunting endangered animals 18. Select TWO decomposers. A) Earthworm B) Hawk C) Bacteria D) Oak tree 19. Which TWO are herbivores? A) Cow B) Wolf C) Giraffe D) Frog 20. TWO features of a desert habitat are: A) Heavy rainfall B) Cacti C) Snowy ground D) Sand dunes Part III: True or False 21. All animals can live in any habitat. 22. A pond is a saltwater habitat. 23. Bees are important for pollination. 24. Cutting down trees helps animals find more homes. 25. Polar bears are adapted to live in hot deserts. 26. Birds use nests only for laying eggs. 27. Recycling helps reduce habitat destruction. 28. Sharks are herbivores. 29. Coral reefs provide shelter for many fish. 30. Biodiversity means having only one type of plant in a habitat. Part IV: Short Answer 31. Name two animals that live in the Arctic habitat and one adaptation each. 32. Explain why deforestation is harmful to animals. 33. Give two examples of how humans can help protect habitats. 34. What is a food chain? Give a simple example. Answer Key Part I: 1B, 2C, 3B, 4C, 5B, 6C, 7B, 8B, 9C, 10C Part II: 11BD, 12BC, 13AC, 14BC, 15AB, 16AB, 17AC, 18AC, 19AC, 20BD Part III: 21F, 22F, 23T, 24F, 25F, 26F, 27T, 28F, 29T, 30F Part IV: 31. Polar bear (thick fur), Arctic fox (white winter coat). 32. Animals lose homes/food sources; biodiversity decreases. 33. Planting trees, reducing plastic use, creating protected areas. 34. Sequence of energy transfer (e.g., grass → rabbit → fox).