plant breeding and genetics related authentic question answer part- 2
Questions | Answers |
When male and female flowers of a hermaphrodite flower matures at different time? | Dichogamy |
Chiasmata occurs at? | Diplotene stage |
An abnormal condition produced by an organism is called as? | Disease |
The process of separation of chromatids called? | Disjunction |
CGMS system is also called as? | Nucleoplasmic male sterility |
Nitrogen base + Pentose sugar along with phosphate group is called as? | Nucleotides |
Controlling centre of cell? | Nucleus |
Largest organelle in eukaryotic cell is? | Nucleus |
Sphagnum mass is used as a in? | Nursery Growing media |
All viruses are | Obligate parasites |
Modern cultivars of recent past are called as? | Obsolete cultivars |
The lagging strand replication is discontinuous and produces polynucleotide fragments called as? | Okazaki fragments |
Vertical resistance is governed by? | One or few genes |
OMIM stands for? | Online Mendelian Inheritance in Man |
Questions | Answers |
The parent with desirable character which is to be transferred to other parent in cross is? | Donar parent |
Inability of freshly harvested seeds to germinate for a period of time is known as? | Dormancy |
The technique used to detect the presence of given sequence of DNA/RNA in sample of DNA’s is? | DOT Blot technique |
The ratio between the observed frequencies of? | Double crossovers |
Rapeseed varieties with low erucic acid and low glucosinolates are called as? | Double zero varieties |
Trisomy of chromosome 21 in humans leads to? | Down’s syndrome |
Progeny selection is also known as? | Ear to row method of selection |
When superiority of the hybrid to the standard commercial check variety? | Economic heterosis |
Trisomy of chromosome 18 in humans leads to? | Edward’s syndrome |
Removal of stamens or anthers or killing of pollen to prevent selfing is known as? | Emasculation |
Characterizing of large regions of chromosomes is by? | Chromosome walking |
A group of species with common evolutionary ancestry is called as? | Clade |
Pollination and fertilization occurs before opening of flower is termed as? | Cleistogamy |
An exact genetic replica of a specific gene or an entire organism is? | Clone |
Identical plants developed from a single mother plant vegetatively are known as? | Clones |
Glucose also called? | Dextrose |
Questions | Answers |
Variation observed in in-vitro cultured plants is called as? | Somaclonal variation |
In which cells does mitosis occur? | Somatic cells |
The inflorescence of Banana, Arecanut, Coconut, Datepalm ? | Spadix |
Wheat variety resistant to all the three rust is? | Sparrow, Chhoti lerma |
Excessive performance of a cross over and above the expected performance of GCA of parents is called as? | Specific combining ability |
Process of generation of mature RNA is called as? | Splicing |
The incompatibility reaction of pollen is controlled by the genotype of plant which it is produced is called as? | Sporophytic self-incompatibility |
The selection which favors the intermediate phenotype and acts against the extremes is called as? | Stabilizing selection |
The concept of gamete selection to increase the frequency of superior gametes was given by? | Stadler |
Process in which pollination and fertilization takes place but developing embryos abort after sometime is? | Stenospermocarpy |
The process of using information (genetic material) from DNA to construct m-RNA? | Transcription |
m-RNA is primarily used for? | Transcription of DNA |
Genetic transformation in animal cells is? | Transfection |
A genotype developed by the process of genetic engineering is called? | Transgenic |
Plants that have been genetically produced using recombinant DNA techniques is called? . | Transgenic plants |
Questions | Answers |
Unstained and dividing cells are studied using? | Phase contrast microscope |
A tall pea plant (DD) and a tall pea plant (Dd) have what in common? | Phenotype |
Clones have identical genotypes but not in? | Phenotype |
Mass selection is always based on? | Phenotype |
The primary accepter of electron in PS-II is? | Pheophytin |
Bajra is a cross pollinated crop due to? | Protogyny condition |
When female matures before male? | Protogyny |
Physical basis of life by Huxely is? | Protoplasm |
The cells without cell wall? | Protoplasts |
Instrument used to measure tissue water potential is? | Psycrometer |
Father of genetic engineering is? | Paul Berg |
The lines are homozygous and homogeneous in nature called as? | Pure line |
Breeding method for self-pollinated crops are ? | Pure line selection, Mass Selection, Progeny selection, Bulk Method, Pedigree method, single seed descent method, Back Cross Method |
Progeny of a single self pollinated crop is ? | Pureline |
All available varieties in self pollinated crops are? | Purelines |