Plant breeding


Plant breeding



1. Monogenic traits show which sort of variation: Discontineous 
 
2. Purpose of Bagging is to prevent: Cross-pollination
 
3. Purpose of Emasculation is to prevent: Self-pollination
 
4. Among Pollen grain and feminine gamete which is more sensitive to 
environmental disturbance: Pollen grain
 
5. Protoandry condition found in Maize crop
 
6. Protogyne condition found in Bajra crop
 
7. Clipping method of emasculation wiped out Rice crop.
 
8. samples of CHAs: Sodium Methyl Arsenate (MG2), Ethephon, GA3, Hybrex
 
9. Circular tag size: 3 cm dia.
 
10.Rectangular tag size: 3 x 2 cm
 
11.In Maize, bajra, Jowar tag size is: 6 x 3 cm
 
12.Octaploid Triticale may be a cross between: Hexaploid Wheat X Tetraploid Rye
 
13.‘Law of homologous series of variation’ is additionally called as: ‘Law of parallel variation’ 
 
14.‘Law of homologous series of variation’ was given by: N. I. Vavilov
 
15.Frequency of plants heterozygous for various no. of genes during a segregating generation is obtained by the formula: [1+(2m-1)]n
 
16.Frequency of completely homozygous plant in any segregating generation 
by the formula: [(2m-1)/2m]n
 
17.The primitive cultivars which are selected and cultivated by the farmer for many generations called: Land races

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18.Phenotype of a private influenced by: Both genotype & Environment
 
19.Self-pollination pollination is that the most intense sort of Inbreeding.
 
20.Scientific name of Johannsen’s research crop: common bean (Rajma/ French bean)
 
21.In cotton which sort of emasculation mostly followed: Thumb and nail method
 
22.Which type of male sterility system recently developed in cotton: CGMS

23.Full name of CIMMYT: Centro-International de Mezoramiento de Maize Y Trigo (or International centre for Wheat and Maize Improvement)
 
24.Coventionally, visual selection is that the basis of selection in method: Mass selection
 
25.Triticale may be a cross between: common wheat X Secale serial
 
26.H4 sort of cotton developed from: GAU, Surat station

27.Varalaxmi sort of Cotton developed from: UAS, Dharwad 
 
28.CIMMYT mainly conduct research on Wheat and Maize crop.
 
29.Effect of pollen grain on the maternal tissue called: Metaxenia
 
30.Effect of pollen grain on the testa , chalaza is named : Xenia
 
31.For resistance breeding the higher parent is crossed with Wild relatives parent
 
32.Pedigree method is designated for Transgressive breeding.

33.Sex in plants discovered by: Camerarious (1964)
 
34.Artificial pollination of Phoenix dactylifera done first time by :Babylonians and Assyrians (700BC)
 
35.Family of Alfalfa: Leguminoceae
 
36.For selfing in Maize which part is bagged: Both of male and feminine parts
 
37.Examples of two genetic emasculation techniques: CMS & GMS
 
38.First cotton hybrid developed within the world within the year: 1970
 
39.Bulbosum technique generally used for Haploid plant production in Barley crop
 
40.Ability of a genotype to survive in mixture generally mentioned as: Competitive ability or fitness
 
41.SSD method is best suited if the character is a smaller amount heritable.
 
42. Pedigree method is best suitable if the character is very heritable.
43.When all the component lines are resistance against the effective pathogen in a multiline variety than that's called: Clean crop Approach
 
44. NILs full form: Near Isogenic Lines
 
45.RILs full form: Recombinant Inbred Lines
 
46.KSML full form: Kalyan Sona Multiline
 
47.MLKS full form: Multiline Kalyan Sona
 
48. Double haploid technique wont to obtain Homozygous lines
 
49.DH lines of Tobacco developed through Anther culture method
 
50.Animal which exploit heterosis :Cow, Silk Worm, Poultry, Swine