- 1. What is the study of plants known as?
A) Zoology
B) Botany
C) Geology
D) Astronomy
- 2. Which part of the plant is responsible for photosynthesis?
A) Stem
B) Leaves
C) Flowers
D) Roots
- 3. Which gas do plants take in during photosynthesis?
A) Oxygen
B) Nitrogen
C) Hydrogen
D) Carbon dioxide
- 4. What is the primary pigment in plants that absorbs light for photosynthesis?
A) Xanthophyll
B) Chlorophyll
C) Carotenoid
D) Phycocyanin
- 5. What is the process by which plants convert light energy to chemical energy?
A) Pollination
B) Transpiration
C) Respiration
D) Photosynthesis
- 6. Which plant hormone promotes cell growth?
A) Cytokinin
B) Gibberellin
C) Auxin
D) Abscisic acid
- 7. Which of the following is not a type of simple fruit?
A) Drupe
B) Aggregate
C) Pome
D) Berry
- 8. What is the protective structure that covers the tip of a growing root called?
A) Root cap
B) Root rhizome
C) Root node
D) Root hair
- 9. Which plant family includes plants such as roses, apples, and cherries?
A) Asteraceae
B) Fabaceae
C) Rosaceae
D) Poaceae
- 10. What is the process by which water moves through a plant from roots to leaves and is released as vapor?
A) Photosynthesis
B) Absorption
C) Respiration
D) Transpiration
- 11. Plants that complete their life cycle in a single growing season are called:
A) Annuals
B) Biennials
C) Deciduous
D) Perennials
- 12. Which of the following is an example of a taproot plant?
A) Rose
B) Cactus
C) Carrot
D) Grass
- 13. What is the process by which pollen is transferred from the male reproductive organ to the female reproductive organ of a plant?
A) Fertilization
B) Germination
C) Pollination
D) Seed dispersal
- 14. What is the term for the outermost layer of cells on a plant stem?
A) Epidermis
B) Pith
C) Cambium
D) Cortex
- 15. Which plant family includes plants such as sunflowers, daisies, and dandelions?
A) Rosaceae
B) Lamiaceae
C) Fabaceae
D) Asteraceae
- 16. What term describes the process of a plant bending towards a light source?
A) Hydrotropism
B) Phototropism
C) Gravitropism
D) Thigmotropism
- 17. Which part of a plant absorbs water and minerals from the soil?
A) Stem
B) Flowers
C) Leaves
D) Roots
- 18. Which plant tissue transports water and nutrients throughout the plant?
A) Phloem
B) Epidermis
C) Cambium
D) Xylem
- 19. What is the female part of a flower called?
A) Petals
B) Pistil
C) Stamen
D) Sepal
- 20. In a flower, what is the collective term for all the petals?
A) Corolla
B) Calyx
C) Anther
D) Stigma
- 21. What type of plant tissue is responsible for the storage of nutrients?
A) Collenchyma
B) Phloem
C) Xylem
D) Parenchyma
- 22. Plants that survive for many years are called:
A) Annuals
B) Perennials
C) Deciduous
D) Biennials
- 23. What is the primary function of the cambium layer in plant stems?
A) Nutrient transport
B) Photosynthesis
C) Secondary growth
D) Water uptake
- 24. Which of the following is a carnivorous plant?
A) Venus flytrap
B) Orchid
C) Cactus
D) Fern
- 25. What is the process of a seed growing into a plant called?
A) Pollination
B) Photosynthesis
C) Fertilization
D) Germination
- 26. What is the name for a plant that completes its life cycle in one year?
A) Deciduous
B) Annual
C) Perennial
D) Biennial
- 27. What is the main function of flowers in plants?
A) Pollination
B) Reproduction
C) Photosynthesis
D) Transpiration
- 28. Which plant part is responsible for producing seeds?
A) Pistil
B) Ovary
C) Stamen
D) Sepal
- 29. What is the term for a plant that lives for over two growing seasons?
A) Deciduous
B) Perennial
C) Biennial
D) Annual
- 30. Which type of plant reproduces through spores rather than seeds?
A) Moss
B) Fern
C) Angiosperm
D) Gymnosperm
- 31. What is the protective covering of a seed called?
A) Embryo
B) Endosperm
C) Cotyledon
D) Seed coat
- 32. Which plant hormone is responsible for bud dormancy and abscission (leaf drop)?
A) Cytokinin
B) Auxin
C) Gibberellin
D) Abscisic acid
- 33. What is the term for the process of maturing and shedding leaves seasonally?
A) Deciduous
B) Evergreen
C) Dicot
D) Monocot
- 34. What structure in a seed gives rise to the first root and shoot of the plant?
A) Cotyledon
B) Embryo
C) Seed coat
D) Endosperm
- 35. Which plant tissue conducts sugars produced by photosynthesis throughout the plant?
A) Cortex
B) Epidermis
C) Xylem
D) Phloem
- 36. What is the primary function of roots in plants?
A) Reproduction
B) Absorb water and nutrients from soil
C) Photosynthesis
D) Transporting water through the plant
- 37. Which of the following is an example of a monocot plant?
A) Lettuce
B) Sunflower
C) Corn
D) Rose
- 38. The process of breaking down glucose to release energy in plants is known as __________.
A) Transpiration
B) Fermentation
C) Digestion
D) Respiration
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