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