A popular variety of mango grown in Goa is:

Alphonso
Langra
Dashehari
Chausa

The correct answer is Alphonso.

Alphonso is a mango variety that is grown in the Konkan region of India, including Goa. It is considered to be one of the best mangoes in the world, and is known for its sweet, juicy flesh and thin skin. Alphonso mangoes are typically harvested in the summer months, and are often eaten fresh or used in desserts.

Langra is another popular mango variety that is grown in Goa. It is a smaller mango than Alphonso, with a thick skin and fibrous flesh. Langra mangoes are typically less sweet than Alphonso mangoes, but they have a unique flavor that some people enjoy.

Dashehari is a third popular mango variety that is grown in Goa. It is a medium-sized mango with a thin skin and sweet, juicy flesh. Dashehari mangoes are typically harvested in the late summer or early fall, and are often used in desserts.

Chausa is a fourth popular mango variety that is grown in Goa. It is a large mango with a thick skin and fibrous flesh. Chausa mangoes are typically less sweet than Alphonso mangoes, but they have a unique flavor that some people enjoy.

In conclusion, the correct answer to the question “A popular variety of mango grown in Goa is:” is Alphonso.