Primary Activities

Step 1: Understanding the Concept:
Economic activities are classified into sectors. Primary activities involve the direct extraction or harvesting of natural resources from the Earth.
Step 2: Detailed Explanation:
Let's categorize the given activities:
1. Education: This is a service-based activity, which falls under the tertiary or quaternary sector.
2. Forest Safari: This is a recreational and tourism service, which is part of the tertiary sector.
3. Fishing: This involves harvesting a natural resource (fish) from a natural environment (rivers, oceans). This is a classic example of a primary activity.
4. IT industry: This is a knowledge-based service industry, belonging to the quaternary sector.
Step 3: Final Answer:
Fishing is the only activity listed that involves the direct extraction of a natural resource, making it a primary economic activity.

Step 1: Understanding the Concept:
Shifting cultivation is an agricultural system in which plots of land are cultivated temporarily, then abandoned and allowed to revert to their natural vegetation while the cultivator moves on to another plot. It has different names in different parts of the world.
Step 2: Detailed Explanation:
Let's analyze each term:


(A) Jhuming: This is the name used for shifting cultivation in the northeastern states of India.
(B) Chinook: This is not a type of agriculture; it is a warm, dry wind that blows down the eastern side of the Rocky Mountains in North America.
(C) Milpa: This is the term for shifting cultivation as practiced in Central America and Mexico.
(D) Plantation agriculture: This is a form of large-scale commercial farming that specializes in cash crops. It is the opposite of subsistence-based shifting cultivation.
Therefore, only Jhuming and Milpa are names for shifting cultivation.
Step 3: Final Answer:
The correct statements are (A) and (C). The option that includes only these two is option (2).