Agronomy MCQ Question and Answer | Agriculture MCQ Question

Rice is one of the staple food crops of India for human nutrition and caloric intake. There are many varieties of rice and it tends to vary regionally as per the culinary preferences.
At present India exports rice to over 150 countries in the world. It is more than 33% of total rice being exported in 2020 - 21. Whereas Rice export in 2004 - 05 it was 13% only.

Pyranometer is the instrument that is used to measure solar radiation on a planar surface.
It is designed to measure the solar radiation flux density from the hemisphere above within in range of 0.3 micro meters to 3 micro meters.
The name Pyranometer is derived from the Greek words Pyr means ‘fire’, ano means 'above the sky'.

An infrared thermometer is used to measure crop canopy temperature. An infrared thermometer measures temperature from a part of the black body radiation produced and discharged by the targeted material.
These are also called laser thermometers as the laser is used to aim the target.

Soil texture is an important soil characteristic that influences the overall productivity rate of crops. Soil texture is usually a complex size distribution represented by the relative proportions of the three particle-size fractions i.e. sand, silt and clay.
Soil texture can be changed by adding other soil materials whether it's sand, silt, or clay. It cannot be changed and is affected by the use of fertilizer, pesticides and tillage practices.

Phytohaemagglutinin is generally known as Lectins found in plants, especially certain legumes. It consists of two closely related proteins, called PHA-L and PHA-E, which cause blood cells to clump together.
It is found in the highest quantities in uncooked red kidney beans and white kidney beans.

Phosphate availability is highest in the soil at pH 6.5. soil available phosphorus is the fraction of total phosphorus in soil that is readily available for absorption by the roots of the plant.
Approximately 30% - 65% of total soil phosphorus is in organic forms, which are not available to plants, while the remaining 35% - 70% is in inorganic forms.

Uttar Pradesh is the highest producer of potatoes in India, followed by West Bengal and Bihar. Uttar Pradesh shares 31.26% of the total production of potatoes in the country.
Jharkhand is the lowest producer of potatoes accounting for 1.44% of the overall production of potatoes.

PMA is Phenylmercuric acetate, it is a chemical used in crops to reduce transpiration. It is an antitranspirant when it is applied directly to the leaves of a plant, it reduces the amount of water lost through transpiration by closing the plant’s stomata.

Central Agricultural University is an agricultural university established on 26^th January 1993 and is situated in Imphal, Manipur.
The present chancellor of this university is Dr. Anupam Mishra.
The university has established 13 different constituent colleges, 6KVs and 6 multi-technology testing centres in 6 different states of the north-east.

The altitude of a place is the height of that place above mean sea level and these levels are called the average or the mean level has an average height above the surface and can be seen in the rise and the fall of the tides in an open coastal area.