Disease and insect resistance is governed by________________?
A. Plasma genes
B. Polygenes
C. Oligogenes
D. All the above
Month: March 2019
In rice, brown plant hopper has no preference for___________________?
In rice, brown plant hopper has no preference for___________________?
A. Purple stigma
B. Low aspergine
C. Red pericarp
D. All the above
Vertical resistance is also known as_________________?
Vertical resistance is also known as_________________?
A. Race specific
B. Oligogenic
C. Qualitative
D. All the above
Maximum mutants varieties are evolved in_________________?
Maximum mutants varieties are evolved in_________________?
A. Rice
B. Wheat
C. Barley
D. Maize
Mutation was first discovered by________________?
Mutation was first discovered by________________?
A. deVries (1900)
B. Morgan (1910)
C. Stadler (1928)
D. Wright (1791)
A gene which exhibits higher mutation rate than others is referred as___________________?
A gene which exhibits higher mutation rate than others is referred as___________________?
A. Mutator gene
B. Antimutalor gene
C. Mutable gene
D. Hot spot
Blackeselee reported the first case of monoploid in__________________?
Blackeselee reported the first case of monoploid in__________________?
A. Datura
B. Rye
C. Brassica
D. Oat
An individual lacking only one chromosome from the diploid set is referred as_________________?
An individual lacking only one chromosome from the diploid set is referred as_________________?
A. Nullisomic
B. Monosomic
C. Trisomic
D. Tetrasomic
Haploid plants have been produced by another culture in tomato by_________________?
Haploid plants have been produced by another culture in tomato by_________________?
A. Greshof and Doy (1972)
B. Tyagi and Prasad (1965)
C. Mehta and Upadhya (1960)
D. Singh (1960)
Heterobeltiosis is estimated over the___________________?
Heterobeltiosis is estimated over the___________________?
A. Better parent
B. Mid parent
C. Standard parent
D. Popular variety