Concept of disruptive selection was first developed by:
A) Mather
B) Thoday
C) Falconer
D) All of the above
Selection in favour of both extreme phenotypes is referred to as:
A) Stabilizing selection
B) Disruptive selection
C) Directional selection
D) Cyclic selection
Pure line Theory was developed by:
A) LeCouterur
B) Johannsen
C) Vilmorin
D) All of the above
Bulk breeding method was developed by:
A) Johannsen
B) Nilsson Ehle
C) Shull
D) Allard
Concept of single seed descent method was developed by:
A) Goulden
B) Shull
C) Brim
D) Falconer
Concept of multiline cultivar was developed by:
A) Jensen
B) Borlaug and Gibler
C) Allard
D) Simmonds
Multiline cultivars are deliberate mixtures of:
A) Isogenic lines
B) Closely related lines
C) Unrelated lines
D) All of the above
Wheat varieties KSML 3, MLKS 11 and KML 7404 are:
A) Exotic cultivars
B) Multiline cultivars
C) Pure line cultivars
D) Mass selected cultivars
Concept of Diallel selective mating was developed by:
A) Mather and Jinks
B) Jensen
C) Russell
D) Simmonds
The most effective method for the transfer of oligogenic characters is:
A) Pedigree breeding
B) Backcross breeding
C) Bulk breeding
D) Disruptive mating
Undesirable linkage can be broken more effectively by:
A) Pedigree method
B) Backcross method
C) Diallel selective mating
D) Bulk method

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