CA_12 IoT

What is the primary cause of groundwater depletion?

• Natural evaporation

• Frequent pumping of water

• Increased rainfall

• Soil erosion

What percentage of India's groundwater wells are declining?

• 40%

• 54%

• 25%

• 30%

Which of the following is a solution to groundwater depletion?

• Increase chemical usage

• Ignore the issue

• Regulate groundwater pumping

• Expand agricultural land

What type of sensor measures soil moisture levels?

• Optical Sensors

• Dielectric Soil Moisture Sensors

• Mechanical Soil Sensors

• Airflow Sensors

What is the impact of groundwater depletion on agriculture?

• More biodiversity

• Reduced production

• Increased crop yield

• Higher water table

Which sensor type uses light to measure soil properties?

• Mechanical Soil Sensors

• Location Sensors

• Electrochemical Sensors

• Optical Sensors

What is a significant consequence of excessive groundwater pumping?

• Increased rainfall

• Lowered water table

• Enhanced biodiversity

• Improved soil quality

What percentage of India's population is projected to lack access to drinking water by 2030?

• 50%

• 30%

• 40%

• 20%

What role do sensors play in agriculture?

• They help monitor and optimize crops

• They increase chemical usage

• They eliminate pests

• They reduce the need for water

Which of the following is NOT a type of sensor mentioned in the text?

• Optical Sensors

• Mechanical Soil Sensors

• Dielectric Soil Moisture Sensors

• Thermal Sensors