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2️⃣0️⃣ Best questions with answers about parts of a flower and plants.
1. Which part of a flower is typically colorful and attracts pollinators?
A) Sepals
B) Petals
C) Stamens
D) Pistil
✅ B) Petals
2. The male reproductive part of a flower is the:
A) Pistil
B) Ovary
C) Stamen
D) Style
✅ C) Stamen
3. Which part of the stamen produces pollen?
A) Filament
B) Anther
C) Stigma
D) Ovule
✅ B) Anther
4. The female reproductive part of a flower is called the:
A) Stamen
B) Calyx
C) Corolla
D) Pistil (or carpel)
✅ D) Pistil (or carpel)
5. The sticky tip of the pistil that receives pollen is the:
A) Style
B) Ovary
C) Stigma
D) Anther
✅ C) Stigma
6. Which part of the flower develops into a fruit after fertilization?
A) Ovule
B) Ovary
C) Petal
D) Sepal
✅ B) Ovary
7. The ovule develops into a:
A) Fruit
B) Seed
C) Flower
D) Root
✅ B) Seed
8
. Which structure protects the flower bud before it opens?
A) Petals
B) Stamens
C) Sepals
D) Pistil
✅ C) Sepals
9. The stalk that supports the anther is the:
A) Style
B) Filament
C) Pedicel
D) Receptacle
✅ B) Filament
10. The part of the pistil that connects the stigma to the ovary is the:
A) Style
B) Anther
C) Filament
D) Receptacle
✅ A) Style
11. Which plant tissue is responsible for transporting water and minerals from roots to leaves?
A) Phloem
B) Cambium
C) Xylem
D) Epidermis
✅ C) Xylem
12. Which tissue carries the sugars (food) made in leaves to other parts of the plant?
A) Xylem
B) Phloem
C) Stomata
D) Cortex
✅ B) Phloem
13. The process by which plants make their own food using sunlight, water, and carbon dioxide is called:
A) Respiration
B) Transpiration
C) Photosynthesis
D) Germination
✅ C) Photosynthesis
14. Which part of the plant primarily absorbs water and minerals from the soil?
A) Stem
B) Leaves
C) Roots
D) Flowers
✅ C) Roots
15. In most plants, the site of photosynthesis is mainly the:
A) Roots
B) Stem
C) Flowers
D) Leaves
✅ D) Leaves
16. The male gamete (sperm cell) in flowering plants is found within the:
A) Ovule
B) Pollen grain
C) Stigma
D) Style
✅ B) Pollen grain
17. Which of the following is NOT a part of a typical flower?
A) Sepal
B) Petal
C) Stomata
D) Stamen
✅ C) Stomata (Stomata are pores on leaves, not flower parts)
18. The collective term for all the petals of a flower is the:
A) Calyx
B) Corolla
C) Androecium
D) Gynoecium
✅ B) Corolla
19. A plant that completes its life cycle in one growing season is called a(n):
A) Annual
B) Biennial
C) Perennial
D) Evergreen
✅ A) Annual
20. Which part of a flower becomes the seed coat after fertilization?
A) Ovary wall
B) Integuments of the ovule
C) Style
D) Receptacle
✅ B) Integuments of the ovule
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