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