Question

where are most of the chloroplasts located on a plant? near the tip of the roots on the top of the leaf on the underside of the leaf near the base of the roots

Explanation:

Chloroplasts are the site of photosynthesis. Leaves are the main photosynthetic organs. The upper - part of the leaf has palisade mesophyll cells which are rich in chloroplasts to capture maximum light for photosynthesis. Roots are mainly for absorption and not photosynthesis, so they have few or no chloroplasts.

Answer:

on the top of the leaf