21. Which of the following is an example of an annual plant?
a) Oak tree
b) Sunflower
c) Fern
d) Cactus
Answer: b) Sunflower
22. The process of pollen transfer from the anther to the stigma is called:
a) Fertilization
b) Pollination
c) Germination
d) Embryo development
Answer: b) Pollination
23. Which of the following is not a type of plant cell?
a) Parenchyma cell
b) Xylem cell
c) Epidermal cell
d) Invasive cell
Answer: d) Invasive cell
24. What is the function of the root hairs in plants?
a) To absorb water and nutrients
b) To provide structural support
c) To store carbohydrates
d) To produce flowers
Answer: a) To absorb water and nutrients
25. Mosses belong to the group of plants known as:
a) Non-vascular plants
b) Angiosperms
c) Gymnosperms
d) Ferns
Answer: a) Non-vascular plants
