Energy in Agriculture (Efficiency, Auditing, Management) MCQs

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1. : The largest share of energy use in agriculture is generally for?
(A) Fertilizer production
(B) Irrigation pumping
(C) Pesticide application
(D) Grain storage

2. : Energy auditing in agriculture primarily aims at?
(A) Reducing soil erosion
(B) Identifying energy-saving opportunities
(C) Increasing waterlogging
(D) Enhancing pesticide residues

3. : Energy efficiency in agriculture refers to?
(A) More energy use per unit yield
(B) Less energy use per unit yield
(C) Random use of energy
(D) Increase in greenhouse gases

4. : Direct energy use in agriculture includes?
(A) Human labor, diesel, and electricity
(B) Fertilizer and pesticides
(C) Seed and machinery
(D) Soil nutrients

5. : Indirect energy use in agriculture includes?
(A) Fertilizer and pesticide production
(B) Irrigation pumping
(C) Harvesting fuel
(D) Grain drying

6. : The ratio of agricultural output energy to input energy is called?
(A) Energy audit
(B) Energy productivity
(C) Energy balance
(D) Energy ratio

7. : Which crop is considered highly energy-intensive due to fertilizer and irrigation needs?
(A) Wheat
(B) Rice
(C) Maize
(D) Pulses

8. : Energy audit can be classified into?
(A) Micro and macro audit
(B) Preliminary and detailed audit
(C) Simple and complex audit
(D) Seasonal and annual audit

9. : The most energy-efficient irrigation method is?
(A) Flood irrigation
(B) Sprinkler irrigation
(C) Drip irrigation
(D) Furrow irrigation

10. : Farm energy management mainly focuses on?
(A) Maximizing fossil fuel consumption
(B) Efficient use of inputs and renewable energy adoption
(C) Increasing greenhouse gas emissions
(D) Increasing post-harvest losses

11. : Energy inputs are highest in which stage of crop production?
(A) Sowing
(B) Fertilizer application
(C) Harvesting
(D) Weeding

12. : Energy productivity in agriculture is defined as?
(A) Output energy ÷ Input energy
(B) Crop yield ÷ Energy input
(C) Input energy ÷ Crop yield
(D) Solar radiation ÷ Energy demand

13. : Which renewable energy source is most commonly used for irrigation pumping?
(A) Wind energy
(B) Solar PV energy
(C) Tidal energy
(D) Geothermal energy

14. : Which of the following is an example of on-farm renewable energy use?
(A) Diesel generator
(B) Solar water pump
(C) Coal-based electricity
(D) Natural gas pipeline

15. : The term “energy intensity of agriculture” refers to?
(A) Energy input per unit area or per unit yield
(B) Energy lost in the environment
(C) Energy from fertilizer only
(D) Energy from diesel only

16. : The largest consumer of commercial energy in Indian agriculture is?
(A) Dairy sector
(B) Irrigation pumping
(C) Crop drying
(D) Fertilizer transport

17. : Energy conservation in agriculture helps in?
(A) Reducing production cost and environmental impact
(B) Increasing dependence on fossil fuels
(C) Increasing greenhouse gas emissions
(D) Decreasing energy productivity

18. : Which is NOT a renewable energy source for agriculture?
(A) Solar
(B) Biogas
(C) Diesel
(D) Wind

19. : The energy equivalent of 1 liter of diesel is approximately?
(A) 25 MJ
(B) 36 MJ
(C) 45 MJ
(D) 55 MJ

20. : In energy auditing, Sankey diagrams are used to?
(A) Show crop yield trends
(B) Show energy flow and losses
(C) Show soil moisture variation
(D) Show fertilizer application

21. : A common practice to improve energy efficiency in tractors is?
(A) Overloading
(B) Proper tire inflation and maintenance
(C) Continuous idling
(D) Using low-quality fuel

22. : Energy-efficient grain drying is best achieved by?
(A) Open sun drying only
(B) Controlled solar dryers
(C) Diesel-powered dryers
(D) Uncontrolled heating

23. : Energy ratio values greater than 1 indicate?
(A) Crop is energy efficient
(B) Crop consumes more energy than it produces
(C) No energy output
(D) Wasteful energy use

24. : The main objective of energy management in agriculture is?
(A) Reduce energy costs while maintaining or improving productivity
(B) Increase energy wastage
(C) Depend fully on fossil fuels
(D) Reduce crop yield

25. : Which agricultural practice typically has the lowest energy requirement?
(A) Rice cultivation
(B) Wheat cultivation
(C) Pulses cultivation
(D) Sugarcane cultivation