Agriculture, Social Science, Class- 8, Solved exercises


ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย  Paddy field in my village



1. Answer the following questions

(i) What is agriculture?
Answer:- Agriculture is the practice of growing crops and rearing animals to meet human needs for food, fibre, and other products.

(ii) Name the factors influencing agriculture.
Answer:- The main factors influencing agriculture are climate, soil, topography, rainfall, irrigation, and technology.

(iii) What is shifting cultivation? What are its disadvantages?
Answer:- Shifting cultivation is a farming method in which a patch of land is cleared by cutting and burning trees, crops are grown for a few years, and then the land is left fallow while the farmer moves to a new area.
Disadvantages:

Causes deforestation

Reduces soil fertility

Leads to soil erosion


(iv) What is plantation agriculture?
Answer:-Plantation agriculture is a type of farming in which a single crop is grown on a large scale for sale, often in tropical regions.
Examples: tea, coffee, rubber, sugarcane.

(v) Name the fibre crops and name the climatic conditions required for their growth.
Answer:- Fibre crops: Cotton and jute

Cotton: Grows well in black soil and warm climate with moderate rainfall.

Jute: Requires hot and humid climate with heavy rainfall.





2. Tick the correct answer

(i) Horticulture means
โœ… (a) Growing of fruits and vegetables

(ii) Golden fibre refers to
โœ… (c) Jute

(iii) Leading producers of coffee
โœ… (a) Brazil




3. Give reasons

(i) In India agriculture is a primary activity.
Answer:- Because a large section of Indiaโ€™s population depends on farming for their livelihood and it involves the direct use of natural resources.

(ii) Different crops are grown in different regions.
Answer:- Because climatic conditions, soil types, and availability of water vary from region to region.






4. Distinguish between the following

(i) Primary activities and Tertiary activities

Primary Activities Tertiary Activities

These involve the use of natural resources directly from nature.

These provide services that support primary and secondary activities.
Example: Agriculture, fishing, mining. Example: Transport, banking, trade, education.
They form the base of all economic activities. They help in the smooth running of all economic activities.





(ii) Subsistence farming and Intensive farming

Subsistence Farming Intensive Farming

The farmer grows crops mainly for his own familyโ€™s consumption. The farmer grows crops for sale in the market.
Usually practised on small pieces of land using simple tools. Practised on small farms but with large labour input and modern techniques.
Yield is generally low. Yield is high due to better use of inputs like fertilizers and irrigation.

Published by Nirupomadevi

I am a teacher in V.M.P.S

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