Primary Activities
Mizoram Board · Class 12 · Geography
NCERT Solutions for Primary Activities — Mizoram Board Class 12 Geography.
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1(i)Which one of the following is not a plantation crop?
(a) Coffee
(b) Sugarcane
(c) Wheat
(d) RubberShow solution
Justification: Coffee, sugarcane, and rubber are all plantation crops grown on large estates, typically in tropical regions. Wheat is a food grain crop grown through extensive or intensive grain cultivation, not as a plantation crop.
1(ii)In which one of the following countries co-operative farming was the most successful experiment?
(a) Russia
(b) Denmark
(c) India
(d) The NetherlandsShow solution
Justification: Co-operative farming has been most successful in Denmark, where farmers pool their resources, share machinery, and collectively market their produce. Denmark is regarded as the model country for co-operative farming in the world.
1(iii)Growing of flowers is called:
(a) Truck farming
(b) Factory farming
(c) Mixed farming
(d) FloricultureShow solution
Justification: Floriculture refers specifically to the cultivation of flowers and ornamental plants. It is a specialised branch of horticulture practised near urban and peri-urban areas where demand for flowers is high.
1(iv)Which one of the following types of cultivation was developed by European colonists?
(a) Kolkoz
(b) Viticulture
(c) Mixed farming
(d) PlantationShow solution
Justification: Plantation agriculture was introduced and developed by European colonists in tropical and sub-tropical regions of Asia, Africa, and Latin America to grow commercial crops like tea, coffee, rubber, and sugarcane for export to European markets.
1(v)In which one of the following regions is extensive commercial grain cultivation not practised?
(a) American Canadian prairies
(b) European Steppes
(c) Pampas of Argentina
(d) Amazon BasinShow solution
Justification: Extensive commercial grain cultivation requires large, flat, fertile land with a suitable climate. The Amazon Basin is covered by dense tropical rainforest with high rainfall and humidity, making it unsuitable for extensive commercial grain cultivation.
1(vi)In which of the following types of agriculture is the farming of citrus fruit very important?
(a) Market gardening
(b) Plantation agriculture
(c) Mediterranean agriculture
(d) Co-operative farmingShow solution
Justification: Mediterranean agriculture is practised in regions around the Mediterranean Sea and similar climatic zones. The warm, dry summers and mild, wet winters are ideal for growing citrus fruits (oranges, lemons, grapes), olives, and figs, making citrus cultivation a hallmark of this type of agriculture.
1(vii)Which one type of agriculture amongst the following is also called 'slash and burn agriculture'?
(a) Extensive subsistence agriculture
(b) Primitive subsistence agriculture
(c) Extensive commercial grain cultivation
(d) Mixed farmingShow solution
Justification: Primitive subsistence agriculture, also known as shifting cultivation or 'slash and burn' agriculture, involves clearing a patch of forest by cutting and burning vegetation, cultivating it for a few years, and then moving on to a new patch when soil fertility declines. It is known by different names in different regions — Jhumming (India), Milpa (Central America), Ladang (Malaysia), etc.
1(viii)Which one of the following does not follow monoculture?
(a) Dairy farming
(b) Mixed farming
(c) Plantation agriculture
(d) Commercial grain farmingShow solution
Justification: Mixed farming involves the cultivation of multiple crops along with the rearing of animals simultaneously on the same farm. It is therefore the opposite of monoculture. Plantation agriculture, commercial grain farming, and dairy farming each focus on a single product or crop (monoculture).
2(i)Future of shifting cultivation is bleak. Discuss.Show solution
Answer:
Shifting cultivation (slash and burn agriculture) is a primitive form of subsistence farming. Its future is bleak due to the following reasons:
1. Decreasing forest area: Rapid deforestation and population pressure have reduced the availability of forest land for clearing and rotation.
2. Environmental degradation: Burning of forests leads to soil erosion, loss of biodiversity, and contributes to climate change.
3. Government restrictions: Many governments have banned or restricted shifting cultivation to protect forests.
4. Low productivity: It supports only small populations and cannot meet the food demands of a growing population.
5. Alternative options: Farmers are being encouraged to adopt settled farming with better techniques and inputs.
Thus, shifting cultivation is gradually being replaced by more sustainable and productive agricultural practices.
2(ii)Market gardening is practised near urban areas. Why?Show solution
Answer:
Market gardening is practised near urban areas because of the following reasons:
1. Proximity to market: Urban areas provide a large and ready market for perishable products like vegetables, fruits, and flowers.
2. Perishability of produce: Since the crops grown (vegetables, fruits, flowers) are highly perishable, they must reach consumers quickly. Proximity to cities reduces transportation time and cost.
3. High demand: The dense urban population creates a continuous and high demand for fresh produce.
4. Better prices: Farmers get better prices by selling directly to urban consumers or local markets.
Thus, the need for quick supply of fresh, perishable produce to a large consumer base makes urban proximity essential for market gardening.
2(iii)Large scale dairy farming is the result of the development of transportation and refrigeration.Show solution
Answer:
Dairy products such as milk, butter, cheese, and cream are highly perishable and cannot be stored or transported over long distances without spoiling. The development of:
1. Refrigeration technology: Allows milk and dairy products to be stored at low temperatures, preventing spoilage and extending shelf life. This enables dairy farms to supply products to distant markets.
2. Improved transportation (refrigerated trucks, rail, ships): Enables the quick and safe movement of perishable dairy products from farms to urban markets, processing plants, and even export destinations.
Together, these developments have freed dairy farming from the constraint of being located only near consumption centres, allowing large-scale, commercially oriented dairy farms to operate efficiently and supply regional and global markets. Countries like Denmark, New Zealand, and the Netherlands have developed large-scale dairy industries as a result.
3(i)Differentiate between Nomadic Herding and Commercial Livestock Rearing.Show solution
Nomadic Herding vs. Commercial Livestock Rearing:
| Basis | Nomadic Herding | Commercial Livestock Rearing |
|---|---|---|
| Nature | Subsistence activity; herders move with their animals | Commercial activity; animals are reared on permanent ranches/farms |
| Purpose | To meet the basic needs of the herder's family (food, clothing, shelter) | To earn profit by selling meat, wool, hides, and dairy products in the market |
| Location | Practised in arid and semi-arid regions of Africa, Asia (Sahara, Central Asia, tundra) | Practised in temperate grasslands — Pampas (Argentina), Prairies (USA/Canada), Downs (Australia) |
| Movement | Herders migrate seasonally in search of pasture and water | Animals are reared on fixed, large ranches; no migration |
| Scale | Small-scale, traditional | Large-scale, organised, and scientific |
| Technology | Traditional, no modern inputs | Modern techniques, veterinary care, selective breeding used |
| Animals | Cattle, sheep, goats, camels, reindeer (depending on region) | Mainly cattle and sheep for beef, wool, and mutton |
| Market orientation | Non-commercial; self-sufficient | Highly commercial; products exported globally |
Conclusion: Nomadic herding is a traditional, subsistence-based activity dependent on natural pastures, while commercial livestock rearing is a scientifically managed, market-oriented enterprise aimed at profit maximisation.
3(ii)Discuss the important characteristic features of plantation agriculture. Name a few important plantation crops from different countries.Show solution
Characteristic Features of Plantation Agriculture:
1. Large estates/farms: Plantation agriculture is carried out on large tracts of land, often covering hundreds of hectares.
2. Single crop specialisation (Monoculture): Only one crop is cultivated on the entire estate at a time.
3. Large capital investment: Huge amounts of capital are required for land preparation, machinery, processing plants, and labour.
4. Scientific methods: Modern and scientific techniques of cultivation, pest control, and soil management are used.
5. Cheap labour: A large supply of cheap labour is required for planting, weeding, and harvesting. Historically, slave or indentured labour was used.
6. Processing on the estate: The harvested crop is processed on the plantation itself before being exported, e.g., tea leaves are dried and processed on the tea estate.
7. Export-oriented: Plantation crops are primarily grown for export to foreign markets, not for local consumption.
8. Colonial origin: This type of agriculture was introduced by European colonists in tropical and sub-tropical regions of Asia, Africa, and Latin America.
9. Transport network: Well-developed road and rail networks connect the plantation to ports for export.
10. Management by MNCs: Many plantations are owned and managed by multinational corporations.
Important Plantation Crops from Different Countries:
| Crop | Country/Region |
|---|---|
| Tea | India (Assam, Darjeeling), Sri Lanka |
| Coffee | Brazil, Colombia, Côte d'Ivoire |
| Rubber | Malaysia, Indonesia, Thailand |
| Sugarcane | Cuba, Brazil, India |
| Cotton | USA, Egypt |
| Cocoa | Ghana, Nigeria, Côte d'Ivoire |
| Banana | Central American countries (Honduras, Costa Rica) |
| Palm oil | Malaysia, Indonesia |
Conclusion: Plantation agriculture is a highly organised, capital-intensive, and export-oriented form of agriculture that transformed the economies of many tropical countries during the colonial era and continues to be economically significant today.
Project/ActivityVisit a nearby village and observe the cultivation of some crops. Ask the farmers and list the various operations.Show solution
Objective: To observe crop cultivation and understand the various agricultural operations involved.
Sample Observations (for a crop like Wheat or Rice):
Crop observed: Wheat
Various Agricultural Operations listed after interacting with farmers:
1. Land preparation: Ploughing, levelling, and tilling the field using tractors or bullocks.
2. Selection of seeds: Choosing high-yielding variety (HYV) seeds.
3. Sowing: Broadcasting seeds or using a seed drill.
4. Irrigation: Watering the field at regular intervals using canals, tube wells, or drip irrigation.
5. Manuring and fertilisation: Application of organic manure (compost, FYM) and chemical fertilisers (urea, DAP).
6. Weeding: Removal of unwanted plants manually or using herbicides.
7. Pest and disease control: Spraying pesticides and fungicides.
8. Harvesting: Cutting the mature crop using sickles or combine harvesters.
9. Threshing: Separating grain from the stalk using threshers.
10. Winnowing: Separating grain from chaff using wind or machines.
11. Storage: Storing the grain in godowns, silos, or at home.
12. Marketing: Selling the produce at the local mandi (market) or to government procurement centres.
Conclusion: Students should write their own observations based on the actual visit, noting the crop type, season, tools used, and challenges faced by farmers.
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