Practice Agri economics Questions and Answers

• Parthenium hysterophorus is
• What is the Water Use Efficiency (WUE) of rice if the grain yield is 6000 kg/hectare with evapotranspiration of 950 mm?
• Which of the following act(s) as strong germinator for parasitic weeds?
• The ratio of land required by pure crop to produce the same yield as that of intercrop is known as
• Cropping pattern is referred to the
• Soil moisture tension is directly measured by
• What is meant by Moisture Equivalent?
• Lysimeter is used for measurement of
• Fertiliser is defined as
• Which among the following is/are organic P containing compound(s) of soil?
• Joint forest management concept was first implemented at
• If the drainage coefficient is 3 cm/day, then the flow rate through drains of watershed of area 1500 hectares is
• In waterlogged lands
• Which sub-surface drainage system consists of laterals that enter the main drain at an angle, generally from both sides?
• The Marginal Physical Product (MPP) is maximum corresponding to the
• Tagetes patula marigold is also known as
• Ceteris paribus means
• H+ and Al3+ ions present in non-exchangeable form with organic matter and silicate clays and aluminum hydroxyl ions account for
• Azospirillum lipoferum is reported to be associated with the roots of
• Training and visit system is mainly known for
• The mixture of breeding lines having the same genetic constitution, but differing at a specific locus is known as
• The product of pedigree selection is
• In gametophytic self-incompatibility system, when sib matings are carried out, the crosses are
• Prosopis cinerea and Cenchrus ciliaris are good fodder tree + grass combination for
• The type of germplasm, which is frequently utilized by breeders for their crop improvement programme, is called as
• Organic acids developed from organic matter decomposition act as chelating agent may be
• Tempering in seed drying refers to
• Under which condition the hybrid seeds produced should be compulsorily subjected to grow out test for grant of certificate?
• Chemicals that have been implicated in attraction of rhizobia are
• Among the following, under which condition for maize hybrid seed production, the modification of isolation distance by planting border rows is not permitte...
• In the ATP-driven proton potassium exchange mechanism, the H+ ions are formed due to dissociation of
• Compounds which disrupts hormone balance and protein synthesis by which the plant ultimately dies are
• In rice, assume that a recessive gene "a” is responsible for resistance to BLB. This gene is present on chromosome #1. A monosomic resistant line for chr...
• Nernst equation allows us to make certain predictions about
• The estimate of degree of variation in a phenotypic trait in a population that is due to genetic variation between individuals in that population is called...
• Which among the following statements is true about Gibberellin (GA)? 
• Once incorporated into the plant genome, the gene product, CP4 EPSP synthase, confers crop resistance to
• In CRISPR-Cas9 technology, the RNA designed to find and bind to a specific sequence in the DNA, is known as
• Aflatoxin is a
• Which is a system of supervised control of diseases and pests in winter wheat?