The term vertical resistance and horizontal resistance were first used by________________________?
A. Van der plank (1963) B. Karpechenko (1927) C. Hull (1945) D. Correns (1900)
Plant Breeding and Genetics MCQs
A gene which enhances the natural mutations rate of another gene in the same genome is kanown as___________________?
A. Mutable gene B. Mutator gene C. Recepror gene D. Articulator gene
Gametophytic self incompatibility was first reported in___________________?
A. Lena sativa B. Nicotine sandarac C. Set aria sphacelata D. Scale cereals
Seed germination in typhoin walermelon can successfully be obtained by____________________?
A. Scarification B. Seed risking C. Seed cot removal D. All the above
Prescribed germination percentage of foundation seed of groundnut____________________?
A. 70 B. 20 C. 90 D. 95
In oat an site-specific cross between Ivena sativa and A busantus_____________________?
A. Incompatible B. Partially fertile C. Sterile D. Fully fertile
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
Who arrang the following associated with genetic engineering___________________?
A. Watson B. Crick C. Koruna D. Morgan
Who gave the principle that man tends to multiply faster than food supply________________?
A. Mathis B. Mendel C. Darwin D. Haldane