Agriculture MCQs

2794 MCQs  (Page 227 of 280)

Gametophytic self incompatibility was first reported in___________________?
A. Lena sativa
B. Nicotine sandarac
C. Set aria sphacelata
D. Scale cereals
Reciprocal recurrent selection is effective with___________________?
A. Incomplete
B. Complete dominance
C. Over dominance
D. All the above
In case of incomplete dominance in the f2 generation_______________________?
A. Ratio of phenotypes is 3:1
B. Ratio of genotypes is 3:1
C. Phenotypic ratio corresponds to the genotypic ratio
D. None of the above
Epitasis implies_____________________?
A. One gene pair enhances phenotype expression of another gene pair
B. Many gene together control a parucular phenotype
C. One pair of gene can completely mask the expression of another gene pair
D. One gene pair independently controls a phenotype
Amount of DNA is the diploid cells____________________?
A. Varies with the age
B. Coustant for all organismes
C. Constant for particular organism
D. None of the above