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