The number of lobes present in the glandular tissue of the breast are:

The correct answer is Option (3) → 15-20

The mammary glands are paired structures (breasts) that contain glandular tissue and some fat. The glandular tissue of each breast is divided into 15-20 mammary lobes. Each lobe holds clusters of cells called alveoli. The alveoli make milk and store it in their cavities. They open into mammary tubules, and the tubules of one lobe join to form a mammary duct.

NCERT Extract:
The Female Reproductive System – …