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