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