21. What is the purpose of the gametophyte phase in the life cycle of pteridophytes?
a) To produce spores
b) To produce gametes
c) To aid in water and nutrient absorption
d) To produce leaves and stems
22. The group of pteridophytes that includes clubmosses is known as:
a) Lycophytes
b) Selaginellaceae
c) Psilotaceae
d) Equisetaceae
23. What is the function of the stomata in pteridophytes?
a) To take in sunlight for photosynthesis
b) To exchange gases with the environment
c) To absorb water and nutrients from the soil
d) There are no stomata in pteridophytes
24. In pteridophytes, spores are produced in structures called:
a) Flowers
b) Fruits
c) Sori
d) Annulus
25. Which of the following is not a structure found in pteridophytes?
a) Vascular tissue
b) Rhizome
c) Stomata
d) Flowers
