Ø DUS test centre for medicinal and aromatic plants is located at DMPR anand.
Ø Development of embryo from megaspore mother cell due to failure in reduction of chromosomes is called as Diplospory.
Ø The group of crop varieties that are stabilized are homozygous, however composites are heterozygotes.
Ø Prion is composed of protein.
Ø Commonly found hybrid sorghum type in India is Durra Bicolor.
Ø In plant breeding selection of genotypes in favour of two extremes are called as Disruptive selection.
Ø A tabular arrangement for classifying data into different groups is called as frequency distribution.
Ø The objective of generation mean system of seed multiplication is to ensure varietal identity and purity.
Ø As per Indian minimum seed certification standard time isolation is permitted in seed production of paddy and maize.
Ø Maurice wilkins was awarded Nobel prize along with J D Watson and Francis crick who gave the double helix model.
Ø Designated disease of sunflower is caused by Plasmopora halstedii.
Ø Relation between recurrent parent and the backcrossed introgressed line after 8 th back cross generation is Near isogenic line.
Ø Diallel analysis helps in selection of suitable parents for hybridization and for the choice of appropriate breeding procedure.
Ø Most serious demerit of SSR marker is that it requires prior sequence information.
Ø The encapsulated material of the curated synthetic seed is Calcium alginate.
Ø One gene one enzyme hypothesis will be correct provided the polypeptides of an enzyme are only of one type.
Ø Ancestral form of seed dormancy is morphological dormancy.
Ø In crop plants most commonly used male sterility system for hybrid seed production is CGMS.
Ø Seed lessness in watermelon is due to triploid nature.
Ø The best processing equipment for upgrading the quality of sunflower seed is gravity separator because difference in rate of seed and fruit coat development.
Ø In sorghum KOH bleach test is used to confirm varietal purity.
Ø Routine test conducted in seed testing laboratory are germination, purity and Moisture.
Ø General linear model is the option used for a repeated measure in MANOVA in SPSS.
Ø The mating scheme where the mating occurs between individuals which are less related by ancestry is genetic disassortative mating.
Ø Digenic interaction genes rise to genotypes that have ratios of less than four types.
Ø Term gene was coined by W. Johannsen.
Ø Dwarfing gene in Rice was discovered in Taiwan.
Ø According to H-w equilibrium what will be the genotypic heterozygotes if the frequency of the two alleles at the gene being studied are 0.6 and 0.4 then it is 0.48.
Ø Mode of disease transmission from plant to seed case of ustilago trici is Embryo infection.
Ø Anthesis of sorghum is Basipetal.
Ø The theory of sexual reproduction in maize for the first time was put forth by Camerirus.
Ø According to Eberhart and Russel model of stability assessment the stable variety will have regression co efficient of b= 1.0.
Ø In a trihybrid test cross if the observed and expected number of double crosses are same what would be the value of interference (I)? 0
Ø Gamete type seed divider works on the principal of centrifugal force.
Ø Back cross breeding is used for transferring single gene control traits.
Ø Breeding for semi dwarf varieties was initiated by N.E Borloug at CIMMYT.
Ø Type II restriction endonucleases identify the palindromic sequences and cut them to Double stranded DNA.
Ø GCA analysis measures the average performance of parental lines in cross combination to find the proportion of variation that is genetically additive in nature.
Ø PPVFRA act was passed by the parliament of India in the year 2001.
Ø In wheat grains gluten strength is denoted by polshenke value.
Ø Standard deviation is the ideal statistical tool to examine the variation that exists within a dataset.
Ø Block system is used for hybrid seed production of cotton
Ø For efficient long storage of seeds the best packing material is HDPE 700 guage.
Ø In plant tissue culture media sugar is added as source of carbon.
Ø Jerking is done to achieve synchronization during hybrid seed production in Pearl millet.
Ø Highly self-pollinated finger millet is high in fibres.
Ø During certification downgrading of seed class is not allowed in case of parental lines of hybrid.
Ø From a F2 population of 440 plants the number of RIL generated in F8 generation through single seed descent method would be 440.
Ø Eigen values and Eigen vectors are used in multivariate analysis to find the relationship among multiple related phenotypic traits.
Ø The associated quality traits of narrow leaves in pearl millet napier hybrids is low oxalate.
Ø Minimum germination percentage for certified seed class of synthetics is is 98%.
Ø When an individual or organization owning an intellectual property does not disclose the property to anyone and keeps it as closely guarded then it is called as trade secret.
Ø Indian seed act 1966 contains 25 sections.
Ø Bean common mosaic virus is seed borne disease.
Ø Maximum area under seed production that is considered as one unit for field inspection is 10.
Ø While developing core collection from a germplasm collection the stratified sampling strategy which includes equal no of entries from all group irrespective of number of accessions in each group is called as constant strategy.
Ø Theoretical chromosome number in a diploid sugarcane must be 80.
Ø In duplicate dominant 2 gene interaction phenotypic ratio of the progenies of F2 would be 15:1.
Ø Warm stratification is used to break seed dormancy in oilpalm.
Ø Shortest phase in cell cycles is M phase.
Ø In prokaryotes transcription and translation go simultaneously it may be because of the fact that prokaryotic genome is devoid of introns.
Ø Serious pest of pulse seed is Callasobruchus maculatus.
Ø While analysing genetic diversity using molecular markers the co efficient that has a straight forward biological interpretation which is completed as the proption of positive bands shared by both samples divided by the average of propotion of bands present in sample i and j ? Nei and li’s similarity co efficient.
