- 1. What is the study of plants known as?
A) Geology
B) Zoology
C) Botany
D) Astronomy
- 2. Which part of the plant is responsible for photosynthesis?
A) Leaves
B) Roots
C) Stem
D) Flowers
- 3. Which gas do plants take in during photosynthesis?
A) Nitrogen
B) Oxygen
C) Hydrogen
D) Carbon dioxide
- 4. What is the primary pigment in plants that absorbs light for photosynthesis?
A) Carotenoid
B) Phycocyanin
C) Chlorophyll
D) Xanthophyll
- 5. What is the process by which plants convert light energy to chemical energy?
A) Respiration
B) Transpiration
C) Pollination
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) Pome
C) Aggregate
D) Berry
- 8. What is the protective structure that covers the tip of a growing root called?
A) Root cap
B) Root hair
C) Root rhizome
D) Root node
- 9. Which plant family includes plants such as roses, apples, and cherries?
A) Poaceae
B) Rosaceae
C) Asteraceae
D) Fabaceae
- 10. What is the process by which water moves through a plant from roots to leaves and is released as vapor?
A) Absorption
B) Transpiration
C) Photosynthesis
D) Respiration
- 11. Plants that complete their life cycle in a single growing season are called:
A) Biennials
B) Annuals
C) Deciduous
D) Perennials
- 12. Which of the following is an example of a taproot plant?
A) Grass
B) Rose
C) Carrot
D) Cactus
- 13. What is the process by which pollen is transferred from the male reproductive organ to the female reproductive organ of a plant?
A) Germination
B) Pollination
C) Fertilization
D) Seed dispersal
- 14. What is the term for the outermost layer of cells on a plant stem?
A) Epidermis
B) Cambium
C) Pith
D) Cortex
- 15. Which plant family includes plants such as sunflowers, daisies, and dandelions?
A) Asteraceae
B) Lamiaceae
C) Rosaceae
D) Fabaceae
- 16. What term describes the process of a plant bending towards a light source?
A) Hydrotropism
B) Thigmotropism
C) Phototropism
D) Gravitropism
- 17. Which part of a plant absorbs water and minerals from the soil?
A) Roots
B) Leaves
C) Flowers
D) Stem
- 18. Which plant tissue transports water and nutrients throughout the plant?
A) Phloem
B) Cambium
C) Xylem
D) Epidermis
- 19. What is the female part of a flower called?
A) Sepal
B) Petals
C) Stamen
D) Pistil
- 20. In a flower, what is the collective term for all the petals?
A) Corolla
B) Anther
C) Stigma
D) Calyx
- 21. What type of plant tissue is responsible for the storage of nutrients?
A) Phloem
B) Parenchyma
C) Collenchyma
D) Xylem
- 22. Plants that survive for many years are called:
A) Perennials
B) Biennials
C) Deciduous
D) Annuals
- 23. What is the primary function of the cambium layer in plant stems?
A) Water uptake
B) Photosynthesis
C) Secondary growth
D) Nutrient transport
- 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) Photosynthesis
B) Pollination
C) Fertilization
D) Germination
- 26. What is the name for a plant that completes its life cycle in one year?
A) Deciduous
B) Biennial
C) Annual
D) Perennial
- 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) Sepal
C) Ovary
D) Stamen
- 29. What is the term for a plant that lives for over two growing seasons?
A) Deciduous
B) Biennial
C) Annual
D) Perennial
- 30. Which type of plant reproduces through spores rather than seeds?
A) Fern
B) Gymnosperm
C) Moss
D) Angiosperm
- 31. What is the protective covering of a seed called?
A) Embryo
B) Cotyledon
C) Endosperm
D) Seed coat
- 32. Which plant hormone is responsible for bud dormancy and abscission (leaf drop)?
A) Abscisic acid
B) Gibberellin
C) Auxin
D) Cytokinin
- 33. What is the term for the process of maturing and shedding leaves seasonally?
A) Monocot
B) Evergreen
C) Dicot
D) Deciduous
- 34. What structure in a seed gives rise to the first root and shoot of the plant?
A) Embryo
B) Endosperm
C) Seed coat
D) Cotyledon
- 35. Which plant tissue conducts sugars produced by photosynthesis throughout the plant?
A) Xylem
B) Cortex
C) Epidermis
D) Phloem
- 36. What is the primary function of roots in plants?
A) Transporting water through the plant
B) Absorb water and nutrients from soil
C) Reproduction
D) Photosynthesis
- 37. Which of the following is an example of a monocot plant?
A) Sunflower
B) Lettuce
C) Corn
D) Rose
- 38. The process of breaking down glucose to release energy in plants is known as __________.
A) Fermentation
B) Transpiration
C) Respiration
D) Digestion
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