Q.1 What is the main purpose of using IoT in agriculture?
To play online games
To monitor and improve farming practices
To replace farmers completely
To create entertainment systems
Explanation - IoT in agriculture helps farmers optimize resources, monitor crops, and increase productivity by using connected devices.
Correct answer is: To monitor and improve farming practices
Q.2 Which IoT device can be used to check soil moisture in agriculture?
Smartphone
Soil moisture sensor
Drone camera
Smartwatch
Explanation - Soil moisture sensors collect data about water levels in the soil to help manage irrigation efficiently.
Correct answer is: Soil moisture sensor
Q.3 How do IoT-enabled drones help in agriculture?
By delivering food to farmers
By taking aerial images of crops
By controlling farm workers
By replacing tractors
Explanation - Drones capture aerial data that helps farmers monitor crop health, growth, and pest infestations.
Correct answer is: By taking aerial images of crops
Q.4 What is 'precision farming' in IoT-based agriculture?
Using robots instead of farmers
Using IoT data for targeted farming decisions
Growing only one type of crop
Farming without soil
Explanation - Precision farming uses IoT data to optimize crop production by monitoring soil, weather, and crop conditions.
Correct answer is: Using IoT data for targeted farming decisions
Q.5 Which network technology is often used in IoT-based agriculture for long-distance communication?
Wi-Fi
Bluetooth
LoRaWAN
Ethernet
Explanation - LoRaWAN is a low-power wide-area network commonly used in IoT agriculture due to its long-range communication.
Correct answer is: LoRaWAN
Q.6 Which of the following is a benefit of IoT in agriculture?
Increased labor costs
Reduced productivity
Efficient water usage
Unreliable farming
Explanation - IoT devices like smart irrigation systems help reduce water waste and improve water efficiency in farming.
Correct answer is: Efficient water usage
Q.7 Smart irrigation systems use IoT to:
Predict global markets
Monitor soil and water levels
Entertain farmers
Replace seeds
Explanation - IoT-based irrigation systems use data from sensors to water crops only when necessary, saving water and energy.
Correct answer is: Monitor soil and water levels
Q.8 Which IoT technology is useful for real-time weather monitoring on farms?
Weather sensors connected to IoT
Bluetooth headsets
Music systems
Fitness trackers
Explanation - Weather sensors connected to IoT platforms provide real-time weather data, helping farmers plan agricultural activities.
Correct answer is: Weather sensors connected to IoT
Q.9 IoT in agriculture helps reduce:
Crop monitoring
Food security
Wastage of resources
Plant growth
Explanation - IoT technologies improve resource efficiency, reducing wastage of water, fertilizers, and pesticides.
Correct answer is: Wastage of resources
Q.10 Which IoT solution is used to monitor livestock health?
Smart collars with sensors
Soil moisture sensors
Smart sprinklers
Smartphones
Explanation - Smart collars track animal movements and health parameters like temperature and activity levels.
Correct answer is: Smart collars with sensors
Q.11 What does a 'smart greenhouse' use IoT for?
To play music for plants
To automatically control temperature, humidity, and light
To keep farmers away
To grow only flowers
Explanation - IoT systems in smart greenhouses regulate environmental factors automatically, ensuring optimal plant growth.
Correct answer is: To automatically control temperature, humidity, and light
Q.12 Which of the following is NOT an IoT benefit in agriculture?
Improved crop yields
Efficient irrigation
Better livestock monitoring
Increased manual labor
Explanation - IoT reduces manual labor by automating processes and providing real-time data for decision-making.
Correct answer is: Increased manual labor
Q.13 Which IoT technology enables machine-to-machine communication in smart farms?
GPS
NFC
M2M protocols
Barcode scanners
Explanation - M2M communication allows IoT devices like sensors and machines to share data directly without human intervention.
Correct answer is: M2M protocols
Q.14 IoT-based soil nutrient sensors can help farmers decide:
Which music to play in the field
Which fertilizer to apply
Which market to sell crops
Which animals to buy
Explanation - Soil nutrient sensors analyze soil conditions and help farmers choose the right type and quantity of fertilizer.
Correct answer is: Which fertilizer to apply
Q.15 Which communication protocol is widely used for IoT devices in agriculture?
HTTP
MQTT
SMTP
FTP
Explanation - MQTT is a lightweight IoT protocol suitable for transmitting sensor data over limited-bandwidth connections.
Correct answer is: MQTT
Q.16 IoT-based pest detection systems help farmers by:
Increasing pest population
Monitoring crop damage early
Reducing water supply
Replacing crops with machines
Explanation - IoT-based pest detection identifies pest infestations quickly, allowing timely interventions and reducing crop loss.
Correct answer is: Monitoring crop damage early
Q.17 Which of the following is an example of data collected by IoT in agriculture?
Soil temperature
Number of tractors
Farmer’s phone model
Daily milk price
Explanation - IoT sensors collect soil temperature, moisture, and nutrient levels to optimize farming practices.
Correct answer is: Soil temperature
Q.18 What role does cloud computing play in IoT agriculture?
Stores and analyzes farm data
Grows crops in the cloud
Replaces soil
Builds tractors
Explanation - IoT data from sensors is stored and processed in the cloud for analysis and decision-making.
Correct answer is: Stores and analyzes farm data
Q.19 IoT-based smart irrigation systems can save:
Water and energy
Seeds and fertilizers
Mobile data
Fuel for tractors
Explanation - Smart irrigation ensures crops get the right amount of water at the right time, reducing water and energy waste.
Correct answer is: Water and energy
Q.20 Which of the following is an example of livestock monitoring with IoT?
Monitoring cow health with wearable sensors
Measuring soil pH
Tracking rainfall with sensors
Checking tractor speed
Explanation - IoT-enabled wearables help monitor livestock health, movement, and reproductive cycles.
Correct answer is: Monitoring cow health with wearable sensors
Q.21 IoT in agriculture contributes to which global goal?
No poverty
Zero hunger
Climate action
All of the above
Explanation - IoT improves farming efficiency, reduces resource waste, increases food production, and helps combat climate change.
Correct answer is: All of the above
Q.22 Which of these is a disadvantage of IoT in agriculture?
Data-driven decision-making
High initial cost
Improved efficiency
Reduced resource waste
Explanation - Although beneficial long-term, IoT technologies require high initial investment, which can be a barrier for small farmers.
Correct answer is: High initial cost
Q.23 Which emerging technology often works with IoT in agriculture?
Blockchain
Typewriters
Fax machines
MP3 players
Explanation - Blockchain combined with IoT ensures transparency and traceability in the agricultural supply chain.
Correct answer is: Blockchain
Q.24 Which type of farming benefits the most from IoT sensors?
Subsistence farming
Precision farming
Shifting cultivation
Slash-and-burn farming
Explanation - Precision farming relies heavily on IoT data to optimize inputs and maximize outputs.
Correct answer is: Precision farming
Q.25 How can IoT help reduce pesticide use in farming?
By recommending random pesticides
By identifying exact pest-infected areas
By spreading pesticides everywhere
By removing pests automatically
Explanation - IoT systems detect pest-affected areas, allowing targeted pesticide spraying, reducing overall chemical usage.
Correct answer is: By identifying exact pest-infected areas