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