Question

cuttings, ______, are made with a sharp knife or pruning shears.
a. usually 6 to 8 inches long
b. between 2 and 5 inches long
c. approximately 3 inches long
d. no more than 5 inches long

Explanation:

In horticulture (a subfield of Biology, which is under Natural Science), plant cuttings for propagation are typically around 6 to 8 inches long when using a sharp knife or pruning shears. This is a standard practice in plant propagation to ensure the cutting has enough length for root development and survival.

Answer:

a. usually 6 to 8 inches long