1. Which group of plants has the greatest diversity (i.e. the most species) living today?
2. Which group of land plants is most restricted to moist environments?
3. What single feature is probably most responsible for the success of angiosperms?
C. Broad leaves
4. Auxanometer is used for measuring
A. respiratory activity
B. photosynthetic activity
C. growth activity
D. osmotic pressure
5. In angiosperm, the endosperm is
D. none of these