Q.1 Naturally cross pollinated crops having_________.
Cleistogamous flower Homogamy Chasmogamy
Q.2 Progeny of artificially selfed homozygous plant in cross pollinated crop known as_________.
Inbred line clone Pureline
Q.3 Scientist , who contributed varieties in wheat crop was________.
C.T.Patel Shull B.P.PAL
Q.4 First interspecific hybrid developed by____________.
Vavilov, N.J. Stadler, L.J. Thomas Fair Child
Q.5 Eight centre of crop diversity identified by_______.
Johannsen Vavilov, N.J. Mendel , G.
Q.6 Pure line variety has_______.
Narrow adaptability Wide adaptability Both
Q.7 First used X-rays for mutations in crop plants by_________.
Borlaug, N.E Stadler, L.J. Davenport
Q.8 Triticale developed by__________.
Shull Fairchild Rimpu
Q.9 In gametophytic self incompatibility , cross between S1S2 X S2S3 produces________.
S1S2, S2S2 progeny S1S3, S2S3 progeny S1S2,S1S3,S2S2,S2S3 progeny
Q.10 Flower having stamens and pistil known as______.
Complete flower Incomplete flower Perfect flower
Q.11 The process of production of female gamete_______.
Mega sporogenesis Micro sporogenesis Mega gametogenesis
Q.12 Example of bulb is_______.
Ginger Garlic Onion
Q.13 Development of embryo either from synergid or antipodal cells of embryosac.
Apogamy Adventive sporophytic Apospory
Q.14 Breeding method used for development of high yielding variety having wider adaptability is_______.
Backcross SSD Bulk
Q.15 A method for crop improvement, where Information on ancestry is obtained in is__________.
Introduction Pureline selection Pedigree method
Q.16 CMS line is maintained by_____________.
‘B’ Line ‘A’ Line ‘R’ Line
Q.17 Maize is cross pollinated crop due to_______.
Protandry condition Protogynae condition Cleistogamy condition
Q.18 In back cross breeding, parent used repeatedly for crossing is________.
Recipient Donor Both
Q.19 Variety has narrow adaptability, if it is developed through__________.
Bulk method Mass selection Pedigree method
Q.20 If frequency of ‘p’ is 0.4 then Value of Heterozygous genotype (H) will be__________.
0.24 0.60 0.48
Q.21 Land race has________.
Homozygosity and Homogenity Homogenity Heterozygosity
Q.22 The variation which remains unaltered by environmental changes______.
Phenotypic Genotypic Both
Q.23 GMS is maintained by________.
msms MSMS MSms
Q.24 Protected areas of great genetic diversity under natural condition_______.
Gene bank Gene Sanctuary Field gene bank
Q.25 Nullisomic having chromosome numbers ________.
2n-1 2n 2n-2
Number of score out of 25 = Score in percentage =
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