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