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