The physical appearance of an organism is denoted by____________________?
A. Photocopy B. Prototype C. Phenotype D. Apheliotropic
Plant Breeding and Genetics MCQs
A cross of hybrid with one of its recessive parent is termed____________________?
A. Test cross B. Backcross C. Hybridization D. Trihybrid
A normal plant suddenly started reproducing parthengentically. the number of chromosomes of the second generation compared to the parent plant will be____________________?
A. Double B. One half C. One fourth D. Same
Theory of mutation was given by___________________?
A. Mendel B. De Vries C. Tschermak D. Watson
The term gene was coined by__________________?
A. Batson B. Johnnsen C. Punned D. Darlington
Eugenics refers to__________________?
A. Science concerned with improvement of heredity of animals B. Science concerned with improvement of heredity of human race C. Experimental alterations in the structure of the genes D. Genetics of eukaryotes
When two genes are situated very close together in a chromosome_____________________?
A. The percentage of crossing over between them is very B. Hardly any cross over are detected C. No crossing ever can ever takes place between them D. Only double cross over can take place between them
The first attempt to show linkage in plants were done in____________________?
A. Lathers odorous B. Another Lamarckian C. Possum sativa D. Zeal Mays
A transonic individual has chromosome number____________________?
A. 2 n+1 B. 2 n+2 C. 2 n+3 D. 2 n-1
Selenium unigram is used as__________________?
A. Cardio vascular stimulant B. In lowering blood pressure C. In breaking down of cholesterol D. All the above