40 Biology Trivia Questions for Kids

1. Which thin cell boundary chooses what can enter and leave?

2. In a plant cell, which part holds most of the DNA?

3. In an animal cell, what is the region inside the membrane but outside the nucleus called?

4. Which stiff layer outside a plant cell membrane helps support the cell?

5. Which large storage sac in a plant cell holds water?

6. Which molecule carries the instructions that cells inherit?

7. A living thing made of just one cell is described by which word?

8. An oak tree has many cells working together. Which word describes it?

9. Which sugar is commonly shown as the food made in photosynthesis?

10. Besides carbon dioxide, which liquid is used to make sugar in photosynthesis?

11. Which gas is released when plants carry out photosynthesis?

12. Plants can pack extra sugar into which food store?

13. What is the big change from a tadpole body to an adult frog body called?

14. Before their lungs develop, most young tadpoles breathe underwater using what?

15. In a typical frog life cycle, which legs appear first?

16. What normally happens to a tadpole's tail as it becomes a frog?

17. Common frog eggs in a pond are wrapped in a coating that feels like what?

18. What name is used for a little frog just completing its change from a tadpole?

19. Are all bacteria harmful, or can some be helpful?

20. What is the usual process called when one bacterium divides into two?

21. Bacteria called cocci have which basic shape?

22. Some bacteria swim with long structures called flagella. What do these help them do?

23. An amoeba stretches out temporary bulges to move. What are these called?

24. A paramecium swims using rows of tiny hairs called what?

25. A yeast cell belongs to which group of living things?

26. A small bump grows on a baker's yeast cell and becomes a new cell. What is this called?

27. What are the thin, branching threads that make up many fungi called?

28. Before absorbing food, where do fungi begin breaking it down?

29. The mushroom above the soil is often which part of a larger fungus?

30. Many fungal cell walls contain which material, also found in insect outer coverings?

31. In a food chain, what role does grass have because it makes its own food?

32. A snail eats pond plants. What is its role as a plant-eating step in this food chain?

33. Arrows on a food chain point in the direction of what?

34. Sunlight is an abiotic part of a pond ecosystem. What does abiotic mean?

35. Which word describes an animal that eats other animals?

36. Two seedlings need the same small patch of sunlight. What is this struggle for a resource called?

37. All the rabbits of one species living in a meadow form what?

38. The grasses, rabbits, fungi and other living things in a meadow together form what?

39. A pond's living things plus its water, light and rocks make up what?

40. Two species help each other, and both benefit. What is this relationship called?