Question

the major reason for pinching poinsettias is to ______.
a. increase the number of flowers per stem
b. separate cuttings for propagation
c. decrease the number of flowers per stem
d. none of the above

Explanation:

Pinching poinsettias (a horticultural practice) is done to increase branching, which in turn increases the number of flowers per plant (or per stem - related concept). Option b is incorrect as pinching for propagation isn't the major reason. Option c is opposite. So the correct answer is a.

Answer:

a. increase the number of flowers per stem