Agronomy MCQ Question and Answer | Agriculture MCQ Question

Edaphology is the science or study of soil, especially concerning plant growth. It deals with the relationship between soil and living things.
Pedology is a disciple within soil science which focuses on understanding and characterizing soil formation, evolution, and the theoretical frameworks for modeling soil bodies.
Mineralogy is concerned with all aspects of minerals, including their physical properties and chemical composition.

Hydraulic conductivity defines the proportional relationship between flux and hydraulic gradient, or in this case, of unidirectional flow of water in saturated soil. Saturated hydraulic conductivity is a quantitative expression of the soil’s ability to transmit water under a given hydraulic gradient.
Hydraulic conductivity of soils varies directly with the total porosity of the soil.

As per The National Forest Policy, it has been proposed that the area under forests in India should be about 33% for ecological balance.
At present, the total forest and tree cover of the country is 80.9 million hectares which are 24.62% of the geographical area of the country.

A leaf area meter is a lightweight instrument to get leaf area measurements. It is widely used to measure crop canopy.

A psychrometer is an instrument that measures relative humidity in the atmosphere by taking two thermometers i.e. both a wet bulb and a dry bulb to take a temperature reading.

The pressure plate is the device that is used to determine soil moisture, water retention and suctions greater than 0.4 bar.

Irrometer is the instrument use to measure Atmospheric tension. An Irrometer will measure the actual soil water tension, true measurement of soil water potential also.

Gramineae or Poaceae is a large family of grasses, it includes cereal grasses like oats, Barley, Maize, etc.
Whereas Okra is a flowering plant known for its edible seed pods. It is cultivated in warm and tropical climates. Raw okra is 90% water, 2% protein, 7% carbohydrates and contains negligible fats.

The Parshall flume is an open channel flow metering device that was developed to measure the flow of surface waters and irrigation flows.
It is a fixed hydraulic structure used to measure volumetric flow rate in industrial discharges, municipal sewer lines and influent/effluent flows in waste water treatment plants.

Gandhi bug insect attack on rice during Milking stage. It is a small insect that attacks the ripening rice grains and makes them wither away. It sucks the milk from the developing grains and stems in the early stage of grain formation. It also causes a foul smell in the field because of withering.
The milking stage is the stage when the grains are being filled.

Maharashtra is major sugarcane growing state covering about 9.4 lakh hectares area with a production of 61.32 million tons.
Kerela produces roughly 45% of India's coconuts. The coconut Development Board which plays an important role in the development of coconut products in India has its headquarters in Kochi, Kerala.
Karnataka is the largest coffee-producing state, with 71.5% of total coffee production in the country.
Andhra Pradesh is the leading groundnut-producing state in the country. Groundnut production and area are highest in the Anantapuram district with the production of 3.44 lakh tons and 4.09 ha respectively.

The directorate of Mushroom Research is located in Chambaghat, Solan, Himachal Pradesh. It was established in the year 1983.
It has grown up as a center of excellence for mushroom research and training in the country. The directorate has played a key role in creating awareness and popularization of mushroom cultivation throughout the country.

IIHR - Indian Institute of Horticultural Research is located in Bengaluru, Karnataka.
CTRI - Central Tobacco Research Institute is located in Rajamahendravaram, Andhra Pradesh
IRRI - International Rice Research Institute is located in Los Banos, Philippines.
ICARDA - International Center for Agricultural Research in the Dry Areas is located in Beirut-Lebanon-Syria.