Unit 1: Historical and philosophical foundations of natural farming - Practice Quiz

AGR217 — Principles And Practices Of Natural Farming 60 Questions
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1 Which ancient Indian text contains information related to agriculture, rainfall, and seasonal cycles?

Indian heritage of ancient agriculture Easy
A. Natyashastra
B. Kamasutra
C. Sangita Ratnakara
D. Arthashastra

2 What was a common source of soil fertility in traditional Indian agriculture?

Indian heritage of ancient agriculture Easy
A. Synthetic fertilizer
B. Plastic mulch
C. Farmyard manure
D. Industrial sludge

3 Who is widely associated with the modern philosophy of natural farming and the idea of minimal intervention?

History of natural farming Easy
A. Norman Borlaug
B. Masanobu Fukuoka
C. Louis Pasteur
D. Gregor Mendel

4 Natural farming mainly seeks to reduce dependence on which type of input?

History of natural farming Easy
A. Crop residues
B. Synthetic chemical inputs
C. Locally available biomass
D. Farm-saved seeds

5 In ancient Indian kingdoms, why were irrigation systems important?

Significance of agriculture and irrigation in the Ramayana, Mahabharata and traditions of other Indian kings Easy
A. They replaced all farm labour
B. They prevented every crop disease
C. They allowed crops to grow without soil preparation, rainfall, seeds, or any other agricultural activity
D. They supplied water to crops

6 References to fertile fields, crops, cattle, and water resources in the Ramayana and Mahabharata indicate the importance of what activity?

Significance of agriculture and irrigation in the Ramayana, Mahabharata and traditions of other Indian kings Easy
A. Agriculture
B. Shipbuilding
C. Metal casting
D. Ocean navigation

7 Which structure was commonly supported by Indian kings to improve agricultural water availability?

Significance of agriculture and irrigation in the Ramayana, Mahabharata and traditions of other Indian kings Easy
A. Royal theatre
B. Victory pillar
C. Stone gateway
D. Irrigation tank

8 How can natural farming help farms adapt to climate change?

Importance of natural farming in view of climate change Easy
A. By eliminating seasonal variation
B. By guaranteeing rainfall
C. By making every crop completely unaffected by droughts, floods, heat waves, and changing weather patterns
D. By improving soil resilience

9 Reducing the use of synthetic nitrogen fertilizers can help lower emissions of which greenhouse gas?

Importance of natural farming in view of climate change Easy
A. Nitrous oxide
B. Oxygen
C. Helium
D. Hydrogen

10 Which component of soil helps improve nutrient availability, structure, and water retention?

Soil health Easy
A. Organic matter
B. Plastic fragments
C. Industrial paint
D. Concrete particles

11 What is the main role of earthworms in healthy agricultural soil?

Soil health Easy
A. They permanently remove the need for water, nutrients, crop rotation, and other soil-management practices
B. They improve soil structure
C. They stop all weed growth
D. They produce synthetic fertilizer

12 Which practice helps reduce evaporation of water from the soil surface?

Water use Easy
A. Repeated flooding
B. Residue removal
C. Mulching
D. Deep burning

13 Improved soil organic matter generally has what effect on soil water?

Water use Easy
A. It guarantees that irrigation will never be required under any climate or for any crop
B. It removes all soil water
C. It increases water retention
D. It prevents water infiltration

14 What does carbon sequestration in agricultural soil mean?

Carbon sequestration Easy
A. Releasing carbon from soil
B. Storing carbon in soil
C. Removing minerals from soil
D. Converting all atmospheric gases into plant nutrients through a single farming operation

15 Which practice can add carbon-rich material to agricultural soil?

Carbon sequestration Easy
A. Applying compost
B. Removing biomass
C. Leaving soil bare
D. Burning residues

16 Growing several crop species on the same farm mainly supports what?

Biodiversity conservation Easy
A. Soil sealing
B. Habitat removal
C. Biodiversity
D. Chemical dependence

17 Why are pollinators such as bees important to agriculture?

Biodiversity conservation Easy
A. They protect every cultivated plant from all pests, diseases, droughts, and nutrient deficiencies
B. They manufacture irrigation pipes
C. They help crops reproduce
D. They replace soil microorganisms

18 What does food security primarily mean?

Food security and nutritional security Easy
A. Reliable access to sufficient food
B. Production of a single crop
C. Access only to imported food
D. Storage of food without considering whether people can obtain, afford, or use it

19 Which farming approach best supports nutritional security?

Food security and nutritional security Easy
A. Growing diverse nutritious crops
B. Replacing food crops with non-food crops
C. Removing all pulse crops
D. Growing only one cereal

20 Which Sustainable Development Goal is directly titled Zero Hunger?

Sustainable Development Goals (SDGs) Easy
A. SDG 12
B. SDG 4
C. SDG 7
D. SDG 2

21 A farmer wants to apply a principle associated with India's ancient agricultural heritage. Which practice best reflects the traditional integration of crops, animals, and local resources?

Indian heritage of ancient agriculture Medium
A. Removing field vegetation before every cropping season
B. Purchasing a separate synthetic input for each crop nutrient
C. Recycling crop residues and livestock dung within the farm
D. Replacing mixed farming with continuous monocropping

22 A historian finds a Sanskrit agricultural text discussing rainfall prediction, ploughing, seed selection, and crop management. Which text is most closely associated with these themes?

Indian heritage of ancient agriculture Medium
A. Krishi-Parashara
B. Natya Shastra
C. Manusmriti
D. Charaka Samhita

23 Which approach is most closely associated with Masanobu Fukuoka's philosophy of natural farming?

History of natural farming Medium
A. Minimal soil disturbance and reliance on ecological processes
B. Intensive tillage combined with scheduled fertilizer application
C. Complete removal of weeds and insects from cultivated fields
D. Scientific control of every field process through machinery, soluble fertilizers, pesticides, and repeated soil cultivation

24 A farming movement promotes local biomass, farm-made preparations, biological activity, and reduced dependence on purchased chemicals. Which historical concern most directly explains its emergence?

History of natural farming Medium
A. The shortage of mechanical harvesting equipment
B. The goal of replacing all traditional knowledge with laboratory-based crop management and uniform industrial inputs
C. The ecological and economic costs of input-intensive agriculture
D. The need to expand farming into every uncultivated ecosystem

25 Descriptions of prosperous kingdoms in the Ramayana and Mahabharata frequently connect good governance with productive fields, cattle, rainfall, and water availability. What broader principle can be inferred from these descriptions?

Significance of agriculture and irrigation in the Ramayana, Mahabharata and traditions of other Indian kings Medium
A. Agricultural stability was central to social welfare and governance
B. Royal prosperity depended mainly on overseas trade
C. Irrigation mattered only in areas receiving heavy rainfall
D. Farming was treated as separate from public administration

26 A ruler in a drought-prone region wants to follow the water-management traditions associated with several historical Indian kingdoms. Which policy would be most appropriate?

Significance of agriculture and irrigation in the Ramayana, Mahabharata and traditions of other Indian kings Medium
A. Replace village ponds with paved land
B. Construct tanks, bunds, and community canals
C. Depend exclusively on distant rivers
D. Reserve stored water only for royal gardens

27 Two neighboring farms experience irregular rainfall. Farm X uses mulch, diverse crops, and organic soil inputs, while Farm Y has bare soil and a single crop. Why is Farm X likely to be more climate-resilient?

Importance of natural farming in view of climate change Medium
A. It retains water and spreads production risk
B. It prevents climate change by immediately removing all atmospheric carbon dioxide from the surrounding region
C. It eliminates the need for rainfall completely
D. It guarantees identical yields in every season

28 Which change can most directly reduce agriculture-related greenhouse gas emissions on a farm transitioning toward natural farming?

Importance of natural farming in view of climate change Medium
A. Burning crop residues after harvest
B. Increasing repeated tractor-based tillage
C. Applying more nitrogen than crops require
D. Reducing synthetic nitrogen fertilizer use

29 A field has low infiltration, surface crusting, and little earthworm activity. Which natural farming intervention would most directly address all three symptoms?

Soil health Medium
A. Adding organic cover and reducing disturbance
B. Increasing the frequency of deep ploughing
C. Removing residues and exposing the soil
D. Applying only highly soluble mineral nutrients

30 A soil test shows adequate total nutrients, but crop growth remains poor because biological activity is very low. Which interpretation is most appropriate?

Soil health Medium
A. The field necessarily contains excess irrigation water
B. Nutrient quantity alone guarantees nutrient availability
C. Crop diversity has no relationship with soil function
D. Weak soil biology may limit nutrient cycling

31 Which field practice is most likely to reduce non-beneficial water loss while also moderating soil temperature?

Water use Medium
A. Keeping the soil bare
B. Burning standing residues
C. Maintaining a surface mulch
D. Applying large irrigation volumes every day regardless of crop stage, soil moisture, rainfall, or local weather conditions

32 A crop previously required of irrigation water per hectare. After mulching and improving soil organic matter, it requires for a similar yield. What is the percentage reduction in irrigation water use?

Water use Medium
A.
B.
C.
D.

33 Which management change is most likely to increase soil carbon sequestration over several seasons?

Carbon sequestration Medium
A. Burning all crop residues annually
B. Leaving soil bare between crops
C. Adding biomass and maintaining living roots
D. Increasing intensive soil disturbance

34 A farmer adds organic residues but also performs frequent intensive tillage. Why might the expected increase in soil carbon remain small?

Carbon sequestration Medium
A. Tillage accelerates organic matter decomposition
B. Residues permanently stop root growth
C. Tillage converts soil carbon directly into nitrogen
D. Residues prevent all microbial activity

35 A farmer plants flowering borders, maintains mixed crops, and avoids broad-spectrum pesticides. What is the most likely ecological benefit?

Biodiversity conservation Medium
A. Permanent prevention of pest outbreaks through the removal of all insects, microorganisms, weeds, and non-crop vegetation
B. Uniform genetics across the entire farm
C. Complete elimination of every crop pest
D. Greater support for pollinators and natural enemies

36 Why can the conservation of locally adapted crop varieties improve farm resilience?

Biodiversity conservation Medium
A. Local varieties require no soil nutrients
B. Genetic diversity provides varied stress responses
C. Genetic diversity prevents every plant disease
D. All local varieties produce identical yields

37 A natural farm changes from producing only one cereal to producing cereals, pulses, vegetables, fruits, and small livestock. Which outcome best represents an improvement in nutritional security?

Food security and nutritional security Medium
A. Greater dependence on purchased fertilizers
B. Better access to varied nutrients throughout the year
C. Higher production of one staple alone
D. Lower availability of diverse foods

38 A farm's total calorie production declines slightly after diversification, but its output of pulses, vegetables, and fruits rises substantially. Which conclusion is most appropriate?

Food security and nutritional security Medium
A. Crop diversity cannot affect household nutrition
B. Nutritional security depends only on cereal yield
C. Food security has necessarily been eliminated
D. Diet quality may improve despite fewer calories

39 A natural farming program improves soil health, reduces chemical runoff, and strengthens farm livelihoods. Which set of SDGs is most directly supported?

Sustainable Development Goals (SDGs) Medium
A. Only SDG 14 because every agricultural activity primarily concerns marine ecosystems
B. SDG 4, SDG 9, and SDG 16
C. SDG 2, SDG 6, and SDG 15
D. Only SDG 7 because all environmental benefits are classified exclusively as energy outcomes under the SDG framework

40 A district evaluates a natural farming project using three indicators: household dietary diversity, irrigation water used per tonne of produce, and change in soil organic carbon. Why is this indicator set appropriate?

Sustainable Development Goals (SDGs) Medium
A. It measures only short-term crop market prices
B. It excludes links between farming and sustainability
C. It measures social, resource-use, and environmental outcomes
D. It assumes that yield is the sole measure of development

41 An ancient Indian agrarian text recommends matching crops to soil characteristics, observing seasonal rainfall, recycling animal-derived materials and maintaining local water structures. Which interpretation is historically most defensible?

Indian heritage of ancient agriculture Hard
A. It proves that all ancient Indian regions followed one standardized farming system.
B. It shows that agricultural decisions were determined exclusively by religious prescriptions.
C. It establishes that ancient cultivators completely avoided tillage and external trade.
D. It demonstrates a context-sensitive system combining ecological observation with farm management.

42 A historian finds references to manure, mixed cropping and tank irrigation in texts from different centuries. What additional evidence would most strengthen the claim that these practices formed a continuing agricultural tradition?

Indian heritage of ancient agriculture Hard
A. A modern manual recommending the same practices for certified organic farms.
B. A single poetic passage describing an exceptionally prosperous ancient kingdom.
C. Chronologically dated field evidence showing repeated regional use of the practices.
D. A linguistic similarity between present crop names and ancient crop names.

43 Which statement best distinguishes the modern history of natural farming from the broader history of low-external-input agriculture?

History of natural farming Hard
A. Traditional agriculture always prohibited purchased inputs through formally codified standards.
B. Low-external-input agriculture began only after synthetic fertilizers became widely available.
C. Modern natural farming reproduced every pre-industrial practice without modification or selection.
D. Modern natural farming systematized explicit philosophies from selected traditional and ecological practices.

44 Two accounts disagree about the origin of natural farming: one identifies an ancient beginning, while another identifies a twentieth-century founder. Which resolution best avoids a false contradiction?

History of natural farming Hard
A. Accept the modern account because unnamed practices cannot influence agricultural history.
B. Separate the antiquity of component practices from the later formulation of named movements.
C. Accept the ancient account because an older origin necessarily has greater historical validity.
D. Reject both accounts because farming traditions cannot persist across institutional changes.

45 Descriptions of prosperous kingdoms in the Ramayana and Mahabharata commonly connect social order with productive fields, livestock and dependable water. What is the strongest analytical inference from this association?

Significance of agriculture and irrigation in the Ramayana, Mahabharata and traditions of other Indian kings Hard
A. Royal legitimacy depended only on maximizing the area cultivated under cereal crops.
B. Irrigation eliminated the importance of rainfall variability throughout the subcontinent.
C. Agrarian stability was treated as a material foundation of political and social welfare.
D. Agricultural prosperity was presented as independent of governance and public duty.

46 In evaluating irrigation traditions associated with Indian kings, which feature most clearly indicates an institution rather than merely a hydraulic structure?

Significance of agriculture and irrigation in the Ramayana, Mahabharata and traditions of other Indian kings Hard
A. Rules allocating water, labor and maintenance duties among users.
B. A royal inscription celebrating the completion of an embankment.
C. A canal aligned to carry water through a favorable gradient.
D. A large reservoir constructed with dressed stone and masonry.

47 A rainfed district faces more intense storms, longer dry spells and rising fertilizer prices. Which natural-farming transition most directly combines climate adaptation with mitigation?

Importance of natural farming in view of climate change Hard
A. Apply more soluble nitrogen before storms to accelerate early crop growth.
B. Increase soil cover, diversify crops and recycle locally available organic biomass.
C. Expand a single drought-tolerant crop and remove all non-crop vegetation.
D. Replace flood irrigation with pumping while retaining bare-field monoculture.

48 After conversion to natural farming, average yield falls by 5%, yield variance falls by 40% and purchased-input cost falls by 30%. Under increasingly erratic weather, which conclusion is best supported?

Importance of natural farming in view of climate change Hard
A. The system mitigates climate change because reduced input cost directly measures emissions.
B. The system guarantees higher farm income because lower variance removes every market risk.
C. The system is inferior because resilience is determined only by average physical yield.
D. The system may improve livelihood resilience despite a small decline in mean yield.

49 A field shows higher soil organic carbon and microbial biomass after three years, but infiltration declines and penetrometer resistance rises. Which assessment is most appropriate?

Soil health Hard
A. Soil health declined because physical measurements are always more reliable than biological ones.
B. No assessment is possible because soil health can be measured only through crop yield.
C. Biological indicators improved, but physical constraints prevent claiming overall soil-health improvement.
D. Soil health improved because organic carbon overrides unfavorable physical indicators.

50 A natural-farming plot has abundant surface residue but also temporary nitrogen immobilization during early crop growth. Which intervention best preserves soil-cover benefits while addressing the deficiency?

Soil health Hard
A. Remove all residue and depend exclusively on mineralization of native soil organic matter.
B. Combine high-carbon residue with a synchronized legume or nitrogen-rich organic input.
C. Apply additional high-carbon residue immediately before the crop's peak nitrogen demand.
D. Burn the residue and immediately replace it with repeated deep cultivation.

51 Crop yield rises by 10% while irrigation applied falls by 20% after mulching. Why is this evidence insufficient by itself to prove that crop water-use efficiency, defined as yield divided by evapotranspiration, increased?

Water use Hard
A. Yield and irrigation data are sufficient only when fertilizer use remains exactly constant.
B. Mulching changes crop price, so physical water-use efficiency becomes undefined.
C. Irrigation reduction does not reveal changes in rainfall use, drainage, storage or evapotranspiration.
D. Water-use efficiency cannot increase when the quantity of irrigation water is reduced.

52 A village replaces flood irrigation with efficient drip systems, but total groundwater extraction subsequently rises. Which mechanism best explains this apparent paradox?

Water use Hard
A. Improved application efficiency prevents crops from using stored soil moisture.
B. Groundwater tables always fall when conveyance losses are reduced in lined channels.
C. Farmers expanded irrigated area or shifted toward thirstier crops after saving water per hectare.
D. Drip irrigation necessarily increases evaporation from the entire soil surface.

53 Soil organic carbon concentration rises from 1.0% to 1.4% in the upper 20 cm. Assuming unchanged bulk density of and no inorganic-carbon change, what is the approximate increase in soil organic carbon stock per hectare?

Carbon sequestration Hard
A.
B.
C.
D.

54 A project reports higher soil carbon after adopting natural farming, but the added compost was produced from biomass formerly applied to nearby fields. Which carbon-accounting concern is most important?

Carbon sequestration Hard
A. Leakage, because carbon may have been redistributed rather than newly stored across the system.
B. Saturation, because all cultivated soils have already reached maximum carbon capacity.
C. Additionality, because every agricultural practice would have occurred without incentives.
D. Permanence, because transferred biomass can never contribute to stable soil carbon.

55 A farm increases crop-species richness from two to eight, but all eight crops flower in the same short period and occupy similar canopy layers. Which redesign would most likely increase functional biodiversity?

Biodiversity conservation Hard
A. Increase the planted area of the most abundant crop while retaining all eight names.
B. Add more cultivars that share the same flowering period and rooting pattern.
C. Add species with staggered flowering, varied rooting depths and distinct habitat functions.
D. Synchronize field operations so every species provides identical resources at one time.

56 Natural vegetation strips increase beneficial insects within fields, but one strip also hosts a serious alternate host of a crop pathogen. Which response best applies biodiversity conservation principles?

Biodiversity conservation Hard
A. Apply broad-spectrum pesticide routinely to both strips and crops throughout the year.
B. Redesign strip composition to retain habitat functions while removing the epidemiologically risky host.
C. Retain the host unchanged because conservation benefits always exceed production risks.
D. Remove every non-crop habitat because biodiversity invariably increases crop disease.

57 A region replaces diverse food crops with a high-yield staple. Total dietary energy rises, but household intake of iron, vitamin A and protein diversity falls. Which conclusion is most accurate?

Food security and nutritional security Hard
A. Calorie availability improved while nutritional security deteriorated.
B. Both food security and nutritional security necessarily improved.
C. Food availability declined because micronutrient intake fell.
D. Nutritional security improved because staple yield is its primary indicator.

58 A natural-farming program raises pulse and vegetable production, yet local child dietary diversity does not improve because most produce is sold and households lack purchasing control. What is the strongest inference?

Food security and nutritional security Hard
A. Nutritional security depends exclusively on regional food production statistics.
B. Production diversity alone is insufficient without access, allocation and nutrition-sensitive behavior.
C. Selling nutritious produce necessarily reduces total household income and food access.
D. Farm diversity cannot influence nutrition under any form of market participation.

59 Which indicator set would best test whether a natural-farming program jointly advances SDG 2, SDG 6, SDG 13 and SDG 15?

Sustainable Development Goals (SDGs) Hard
A. Diet adequacy, water withdrawals, net greenhouse emissions and on-farm species diversity.
B. Grain yield, number of wells, fertilizer price and total cultivated land.
C. Input purchases, canal length, carbon price and number of crop varieties sold.
D. Farm income, rainfall received, tractor ownership and village population.

60 A policy subsidizes biomass incorporation to support soil carbon, but households previously used that biomass as cooking fuel and now shift to unsustainably harvested wood. Which SDG-oriented evaluation is most appropriate?

Sustainable Development Goals (SDGs) Hard
A. Count only household fuel costs because environmental indicators duplicate social indicators.
B. Assess net effects across climate, energy access, terrestrial ecosystems and household welfare.
C. Count only carbon added to farms because project-level gains define sustainable development.
D. Reject biomass incorporation because every cross-sector trade-off makes an intervention invalid.