The change in chromosome number which involves the entire set of genome is known as______________?
A. Anenploidy B. Euploidy C. Trisomy D. all the above
Plant Breeding and Genetics MCQs
In primary trisomic the extra chromosome is__________________?
A. Isochromosome B. Traits located chromosome C. Normal chromosome D. None of the above
Stadler, first used X-rays for induction of mutation in_________________?
A. Oat B. Maize C. Wheat D. Barley
A mutation which kills 50% of the individual that carry the mutation is known as_________________?
A. Lethal mutation B. Sub lethal mutation C. Vital mutation D. Sub-vital mutation
In Incern, resistance to spotted aphid is associated with__________________?
A. low sinigen in leaves B. High saponin in leaves C. High DIMBOA in leaves D. High silicant content
Concept of gene for gene hypothesis was developed in____________________?
A. Linseed B. Oat C. Gram D. Tomato
In cotton, jassids have non preference for______________________?
A. Fregobract B. Okra leaves C. Smoothness leaves D. Hairiness of leaves
In wheat, example of durable insect resistance includes resistance to___________________?
A. Green bugs B. Stem saw fly C. Hessian fly D. All the above
Drought is measured in terms of________________?
A. Yield performance B. Photosynthesis C. Root length of seedings D. All the above
Under drought conditions, there is an increase in__________________?
A. Pro line level B. Ethylene level C. Abscisic acid D. All the above