Plant Breeding & Genetics: Important Questions for Agriculture Exams
Subject:- Agriculture Economics
Special 30 One Liner Questions
| Questions | Answers |
| The places with varied climate conditions which leads to different variations among the crop species are called as? | Centers of Diversity |
| 2:1:1 ratio of test cross progeny is observed in? | Dominant Epistasis |
| Ideotype concept was developed by? | Donald (1968) |
| Selection in one direction for one generation and in opposite direction in another generation is? | Cyclic selection |
| Marker protein for mitochondria is? | Cytochrome-C |
| ___are a class of plant hormones that promote cell division in plant roots and Shoots? | Cytokinin |
| The selection that leads to speciation is? | Disruptive selection |
| Genes subject to dosage compensation are concerned with? | Embryo development |
| Results from the triple fusion (3n)? | Endosperm |
| In a seed the food storage tissue is known as? | Endosperm/Cotyledon/ Perisperm |
| Use of synthetics in maize was suggested by for the 1st time.? | Hayes & Garber |
| Autoradiograph of replication in E. coli was shown by? | J Cairns |
| Who developed the concept of vertical and horizontal resistance? | J E Vender Plank |
| Operon model of gene regulation was discovered by? | Jacob and Monad 1961 |
| Plant tissue culture techniques are performed in? | Laminar Air Flow Chamber |
Plant Breeding & Genetics: Important Questions for Agriculture Exams
| Questions | Answers |
| Trait not observed in wild relative but observed in segregates’ from crosses of crop species with wild relative is? | Latent trait |
| The law which explains that characters found in one species also occur in other related species is? | Law of Homologous series of Variation |
| The accepted theory of Mendal was? | Law of Segregation |
| Plastids was introduced by? | Lederberg |
| The extra chromosome in a primary trisomic is an? | Normal chromosome |
| The term “Heterosis” given by? | Shull in 1914 |
| The main source of male sterility in Bajara? | Tift-23 A |
| The main source of male sterility in sorghum? | Tift-60 |
| “Meristem culture’ is a method of_? | Tissue culture |
| Ability of a host to avoid or minimize loss in productivity instead of its infection by a pathogen is? | Tolerance |
| The first genetically modified food product was a? | Tomato( which was transformed to delay its ripening) |
| Source of male sterile cytoplasm in rice is? | Wild Abortive |
| The cross between inbred line and open pollinated variety was done in? | Top cross |
| The regeneration capacity or ability of a plant cell to develop into whole plant is known as? | Totipotency |
| Intra-specific hybridization is a crossed between? | Two plant of different varieties |
| Example for a non-ionizing physical mutagen is? | U.V rays. |
Plant Breeding & Genetics: Important Questions for Agriculture Exams
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