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