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