The correct answer is (a) Kakinada.
Kakinada is a port city in the Indian state of Andhra Pradesh. It is located on the Bay of Bengal, about 200 kilometers north of Visakhapatnam. The city has a population of over 300,000 people.
Kakinada is a major industrial and commercial center. The city is home to a number of industries, including textiles, chemicals, and pharmaceuticals. Kakinada is also a major agricultural center. The city is known for its rice production.
Kakinada is a popular tourist destination. The city is home to a number of historical and cultural attractions, including the Kakinada Fort, the Visakha Museum, and the Kakinada Beach.
The other options are incorrect because they are not port cities.
(b) Nellore is a city in the Indian state of Andhra Pradesh. It is located on the Penner River, about 150 kilometers north of Chennai. The city has a population of over 500,000 people.
Nellore is a major agricultural center. The city is known for its cotton production. Nellore is also a major industrial center. The city is home to a number of industries, including textiles, chemicals, and pharmaceuticals.
(c) Ongole is a city in the Indian state of Andhra Pradesh. It is located on the Krishna River, about 200 kilometers north of Vijayawada. The city has a population of over 200,000 people.
Ongole is a major agricultural center. The city is known for its cattle production. Ongole is also a major industrial center. The city is home to a number of industries, including textiles, chemicals, and pharmaceuticals.
(d) Vizianagaram is a city in the Indian state of Andhra Pradesh. It is located on the Vamsadhara River, about 300 kilometers north of Visakhapatnam. The city has a population of over 300,000 people.
Vizianagaram is a major industrial and commercial center. The city is home to a number of industries, including textiles, chemicals, and pharmaceuticals. Vizianagaram is also a major agricultural center. The city is known for its rice production.