Solar Energy Applications in Agriculture MCQs

25 Score: 0 Attempted: 0/25 Subscribe

1. : The most common agricultural use of solar photovoltaic (PV) systems is?
(A) Grain storage
(B) Solar water pumping for irrigation
(C) Seed treatment
(D) Fertilizer application

2. : Which solar device is widely used for drying agricultural produce?
(A) Solar heater
(B) Solar dryer
(C) Solar cooker
(D) Solar still

3. : Flat plate collectors are primarily used in agriculture for?
(A) Solar refrigeration
(B) Water heating and crop drying
(C) Electricity generation
(D) Cold storage

4. : The main limitation of solar energy in agriculture is?
(A) High pollution
(B) Intermittency and dependence on weather
(C) Non-renewable nature
(D) Limited scope

5. : Solar greenhouses are used for?
(A) Generating electricity
(B) Crop cultivation in controlled conditions
(C) Drying of fruits
(D) Water desalination

6. : Which solar technology is best suited for rural cold storage of vegetables?
(A) Solar photovoltaic + battery backup
(B) Diesel generator
(C) Wind turbine
(D) Hydroelectric system

7. : The typical efficiency of solar PV panels used in farms is about?
(A) 2–5%
(B) 10–20%
(C) 40–60%
(D) 80–90%

8. : Solar tunnel dryers are used for?
(A) Storing grains
(B) Large-scale drying of fruits, vegetables, and grains
(C) Refrigeration
(D) Greenhouse cooling

9. : The unit of measurement of solar radiation is?
(A) Lux
(B) Watt per square meter (W/m²)
(C) Joule per kilogram
(D) Newton per meter

10. : Solar water heaters in dairy farms are mainly used for?
(A) Cooling milk
(B) Cleaning and sterilization of equipment
(C) Seed germination
(D) Fertilizer preparation

11. : The main benefit of solar crop dryers compared to open sun drying is?
(A) Higher speed and better product quality
(B) Lower efficiency
(C) Greater microbial contamination
(D) Higher cost only

12. : Which of the following is a direct solar energy application in agriculture?
(A) Solar refrigeration
(B) Solar drying
(C) Solar water pumping
(D) All of the above

13. : Solar-powered drip irrigation systems help in?
(A) Increasing fuel cost
(B) Efficient water use and reduced energy bills
(C) Soil erosion
(D) Increasing fertilizer loss

14. : Which component of a solar PV system converts DC electricity to AC?
(A) Battery
(B) Inverter
(C) Collector
(D) Tracker

15. : Solar stills are mainly used in agriculture for?
(A) Water desalination and purification
(B) Grain milling
(C) Refrigeration
(D) Seed drying

16. : The main advantage of using solar PV pumps in agriculture is?
(A) High maintenance
(B) Independence from grid electricity and diesel
(C) Faster soil erosion
(D) Lower crop yield

17. : Solar radiation availability at the Earth’s surface depends mainly on?
(A) Latitude, season, and time of day
(B) Fertilizer use
(C) Irrigation method
(D) Soil texture

18. : Which type of solar dryer uses a fan powered by solar PV?
(A) Passive solar dryer
(B) Active solar dryer
(C) Natural convection dryer
(D) Open sun drying

19. : Solar refrigeration is most useful in agriculture for?
(A) Fertilizer storage
(B) Cold storage of perishable produce like fruits and milk
(C) Soil cooling
(D) Grain germination

20. : The lifespan of a good quality solar PV panel is usually?
(A) 1–2 years
(B) 5–7 years
(C) 20–25 years
(D) 40–50 years

21. : Which crop is most commonly dried using solar dryers in rural areas?
(A) Mango slices
(B) Sugarcane
(C) Wheat straw
(D) Cotton

22. : The process of tracking the sun to improve PV efficiency is known as?
(A) Solar mapping
(B) Sun tracking
(C) Light harvesting
(D) Energy optimization

23. : The payback period of solar pumps in agriculture is usually?
(A) 1–2 months
(B) 2–4 years
(C) 10–15 years
(D) 20 years

24. : Which factor reduces the performance of solar PV panels on farms?
(A) Dust and shading
(B) Clear skies
(C) Direct sunlight
(D) Proper tilting

25. : The ultimate goal of solar energy applications in agriculture is to?
(A) Increase fossil fuel dependence
(B) Promote sustainable and eco-friendly farming
(C) Increase greenhouse gas emissions
(D) Reduce renewable energy use