Question

___ activity is termed as activity of tertiary sector ( wheat production, construction of dam, mobile production,finishing,)​

Answer 1

$\LARGE{ \underline{\underline{\sf{Ans:Construction\:of\:dam}}}}$

Wheat production comes under agriculture sector.

Fishing comes under genetic industries which is a further sub division of primary industry.

Answer 2

Construction of dam activity is termed as activity of the tertiary sector.

Explanation:

Tertiary sector:

The tertiary sector includes a variety of functions. These are,

• Trade or commerce
• Transportation
• Financial activities
• Administration
• Real estate activities
• Health services
• Social work
• Personal services and  
• Business services.  

It is developed for the following services,

Market services:

Examples: financial activities, personal services, real estate, food services, telecommunications, trade, accommodations and transport.  

Non-market sector:

Examples: Education, social activities, human health and public administration.

• Therefore, the tertiary sector is defined by industrial activities and complementary agriculture
• It is known as primary and secondary sectors.
• Hence, the construction of the dam is under the secondary sector.

Secondary sector or industrial sector:

The secondary sector consists of all kinds of construction and manufacturing activities.