- 1. Which part of the tree absorbs water and nutrients from the soil?
A) Branches
B) Trunk
C) Leaves
D) Roots
- 2. What process do trees use to make their own food?
A) Respiration
B) Photosynthesis
C) Pollination
D) Transpiration
- 3. Which season do most trees shed their leaves?
A) Autumn
B) Summer
C) Winter
D) Spring
- 4. What is the purpose of tree flowers?
A) Reproduction
B) Photosynthesis
C) Food Storage
D) Protection
- 5. What is the outermost layer of a tree trunk called?
A) Pith
B) Cambium
C) Bark
D) Heartwood
- 6. What is the process by which trees release water vapor from their leaves?
A) Respiration
B) Photosynthesis
C) Transpiration
D) Germination
- 7. What is the purpose of tree roots?
A) Absorb water and nutrients
B) Store energy
C) Make food
D) Reproduce
- 8. What part of the tree connects the roots to the leaves?
A) Trunk
B) Cambium
C) Heartwood
D) Branches
- 9. What part of a tree typically carries out photosynthesis?
A) Roots
B) Leaves
C) Trunk
D) Bark
- 10. During which stage of growth does a tree produce flowers and fruits?
A) Seedling
B) Pollination
C) Germination
D) Maturity
- 11. Which type of tree sheds its leaves gradually throughout the year rather than all at once?
A) Coniferous
B) Evergreen
C) Deciduous
D) Broadleaf
- 12. Which of these factors can lead to a tree's cross-pollination?
A) Roots
B) Wind
C) Shade
D) Birds
- 13. Which part of a tree is responsible for the transport of food produced during photosynthesis?
A) Bark
B) Pith
C) Phloem
D) Xylem
- 14. Which part of the tree is responsible for lateral growth and produces new cells for the tree's expansion?
A) Cambium
B) Xylem
C) Bark
D) Phloem
- 15. What is the process of planting tree seeds or seedlings in order to establish a new tree?
A) Reforestation
B) Afforestation
C) Deforestation
D) Regeneration
- 16. What part of a tree produces seeds?
A) Bark
B) Cones
C) Roots
D) Leaves
- 17. Which tree part contains the genetic material necessary for the tree's growth and development?
A) Seed
B) Root
C) Flower
D) Leaf
- 18. What is the process by which trees shed their outer bark as a protective measure?
A) Pruning
B) Photosynthesis
C) Transpiration
D) Exfoliation
- 19. Which part of a tree is responsible for the transport of water and nutrients?
A) Phloem
B) Pith
C) Xylem
D) Cambium
- 20. What is the first stage in the life cycle of a tree?
A) Seedling
B) Roots
C) Mature tree
D) Sapling
- 21. Which stage of the tree life cycle involves rapid vertical growth?
A) Mature tree
B) Seedling
C) Sapling
D) Roots
- 22. Which cell organelle in leaves contains the pigment responsible for capturing light energy during photosynthesis?
A) Vacuole
B) Mitochondrion
C) Chloroplast
D) Ribosome
- 23. What is the process of transferring pollen to fertilize flowers?
A) Pollination
B) Photosynthesis
C) Transpiration
D) Germination
- 24. What structure protects the developing seeds of a tree?
A) Fruit
B) Leaf
C) Branch
D) Flower
- 25. What is the term for the process of a tree growing from a seed?
A) Germination
B) Maturation
C) Pollination
D) Transpiration
- 26. In what form do some trees store energy for future growth and survival?
A) Protein
B) Sugar
C) Fiber
D) Starch
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