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WorksheetsAGRI
Total questions: 50
Worksheet time: 8mins
Which of the following parameters is most critical for managing crop growth in greenhouses?
Air temperature
Leaf color
Soil pH
Wind speed
Artificial lighting in greenhouses is primarily used to:
Extend the photoperiod for plants
Increase soil moisture
Reduce CO₂ concentration
Control humidity
The most energy-efficient artificial lighting system for modern greenhouses is:
High-pressure sodium lamps
Incandescent lamps
Fluorescent tubes
LED grow lights
The CO₂ concentration in a greenhouse is typically maintained around:
800–1000 ppm
200 ppm
400 ppm
1500 ppm
Which gas sensor is most commonly used for CO₂ measurement in greenhouses?
NDIR sensor
MQ-135 sensor
Catalytic sensor
Electrochemical sensor
Which parameter is NOT typically controlled by an environmental control system in a greenhouse?
Humidity
Nutrient concentration
Temperature
Wind velocity outside greenhouse
In greenhouse automation, a PID controller is primarily used for:
Controlling temperature or humidity
Plant disease detection
Managing nutrient flow
Monitoring plant color
A model that simulates CO₂ consumption in a greenhouse helps in:
Estimating the number of plants
Predicting photosynthetic rate and growth
Controlling pests
Adjusting soil pH
Which parameter is not typically controlled in greenhouse environmental systems
Temperature
Light intensity
Humidity
Soil type
In greenhouse management, sensors are primarily used for
Plant harvesting
Pest control
Monitoring environmental parameters
Fertilizer mixing
The efficiency of artificial light systems is measured based on
Watt per minute
Temperature change
Lumens per watt
Lux per meter
The wavelength range most effective for photosynthesis is
400–700 nm
200–300 nm
700–1000 nm
300–350 nm
Which factor is least affected by artificial lighting systems in a greenhouse
Photosynthetic rate
Plant temperature
Soil composition
Growth cycle duration
Which device is used to monitor CO₂ concentration in greenhouses
pH sensor
Infrared gas analyzer
Humidity sensor
Wind speed sensor
Online plant growth measurement systems use
Ultrasonic and optical sensors
Sound detectors
Thermometers
Thermometers
What is the primary benefit of using a climate control system in greenhouses?
Enhancing plant growth
Reducing labor costs
Improving soil quality
Minimizing water usage
Which type of sensor is commonly used to monitor soil moisture levels in greenhouses?
Capacitive sensor
Thermocouple
Optical sensor
Pressure sensor
In greenhouse operations, the term hydroponics refers to:
Using artificial light for growth
Controlling pests with chemicals
Growing plants in soil
Growing plants in nutrient-rich water
What is the ideal temperature range for optimal plant growth in a greenhouse?
20–25 °C
30–35 °C
15–20 °C
25–30 °C
Which type of irrigation system is most efficient for water usage in greenhouses?
Drip irrigation
Sprinkler system
Surface irrigation
Flood irrigation
What is the primary purpose of using shade cloth in greenhouse management?
To increase humidity
To prevent pest entry
To enhance light quality
To reduce temperature
What is the main advantage of using a hydroponic system in greenhouse cultivation?
Enhanced pest control
Lower initial costs
Increased soil fertility
Reduced water usage
Which environmental factor is crucial for preventing fungal diseases in greenhouses?
CO₂ levels
Light exposure
Soil temperature
Humidity control
What is the purpose of using a thermal screen in greenhouse management?
To increase light penetration
To reduce heat loss
To control humidity levels
To enhance air circulation
Expert systems use which type of knowledge representation
Fuzzy logic
Binary counting
Simple arithmetic
Random guessing
An expert system in agriculture is mainly used to
Replace human labor
Provide decision-making support using knowledge-based rules
Perform manual data entry
Increase fertilizer quantity
The main component of an expert system is
Knowledge base
Hardware
Software license
Random data
Decision Support System (DSS) in agriculture helps farmers to
Store grains
Sell land online
Make better crop management decisions
Operate machinery
Which of the following is not a characteristic of a DSS
Supports decision-making
Interactive interface
Replaces the user’s judgment
Uses data and models
Which language is commonly used to develop rule-based expert systems?
Python
HTML
SQL
PHP
Agricultural databases are primarily used for:
Game development
Storing information about crops, soil, and weather
E-commerce billing
Managing payroll
Which of the following is an example of a biological database
GenBank
Amazon Web Services
Oracle Cloud
Dropbox
A database that stores genetic and plant information helps in
Weather forecasting
Crop improvement and breeding
Online payment
Machinery maintenance
The integration of biological databases supports
Precision farming and biotechnology research
Manual soil tilling
Pesticide spraying
Data deletion
A database that stores genetic and plant information helps in
Weather forecasting
Crop improvement and breeding
Online payment
Machinery maintenance
The integration of biological databases supports
Precision farming and biotechnology research
Manual soil tilling
Pesticide spraying
Data deletion
Which software is best suited for managing agricultural data
MS Paint
MS Access / SQL Database
PowerPoint
Blender
E-commerce in agriculture primarily helps farmers to
Play online games
Sell agricultural products directly to consumers
Increase soil pH
Buy fertilizers manually
Which of the following is a platform for agricultural e-commerce
Snapchat
Amazon AgriStore
Adobe Photoshop
Google Docs
E-business systems in agriculture enable
Automated trading and information exchange
Seed planting
Irrigation management
Soil analysis only
E-learning in agriculture is used to
Train farmers using online platforms
Replace teachers
Operate drones
Perform soil tests
Which technology supports online learning in rural development
Learning Management Systems (LMS)
Mechanical plough
Irrigation channel
Windmill
A popular open-source e-learning platform is
Moodle
Photoshop
Blender
Notepad
What is the primary function of a Geographic Information System (GIS) in agriculture?
Planting seeds
Soil testing
Harvesting crops
Mapping and analyzing land use
Which technology is commonly used for precision agriculture?
Drone technology
Traditional plowing
Manual irrigation
Hand weeding
What is the role of a weather station in agricultural management?
To monitor soil nutrients
To provide real-time weather data
To analyze crop diseases
To control irrigation systems
What is the primary purpose of using a soil pH sensor in agriculture?
To measure soil temperature
To determine nutrient availability
To monitor moisture levels
To assess soil compaction
Which of the following technologies is used for automated irrigation systems?
All of the above
Artificial Intelligence
Blockchain
GPS technology
What is the main benefit of using vertical farming techniques?
Higher labor costs
Reduced crop yield
Longer growth cycles
Increased land use efficiency
What is the primary function of a climate control system in a greenhouse?
To monitor soil pH
To automate harvesting
To regulate temperature and humidity
To enhance plant color
