Number of testicular lobules in both testes are about -

The correct answer is Option (2) → 500

Each testis is divided into about 250 compartments called testicular lobules. Each lobule has one to three highly coiled seminiferous tubules, in which sperms are made.

The question asks for both testes:

Lobules in both testes = 250 × 2 = 500

NCERT Extract:
The Male Reproductive System – “… In adults, each testis is oval in shape, with a length of about 4 to 5 cm and a width of about 2 to 3 cm. The testis is covered by a dense covering. Each testis has about 250 compartments called testicular lobules (Figure 2.1b).”