Kinds of nitrogen containing bases fond in RNA are__________________?
A. Two B. Four C. Six D. Eight
Plant Breeding and Genetics MCQs
In meiosis homologous chromosomes separate from each other in ______________________?
A. metaphase I B. Auaphase I C. Metaphase II D. Anaphase II
The chief function of the centro mere concerns___________________?
A. Spindle formation B. Nucleolus formation C. Chromosome replication D. Chromosome movement
The protoplasm is________________?
A. Solution B. Semi-solid C. Crysto colloidal solution D. Colloidal solution
How many type of DNA are_________________?
A. 2 B. 3 C. 4 D. 6
Sugar present in DNA is_______________?
A. Pentose B. Hexose C. Heptose D. Triose
Polytene chromosomes were first observed by___________________?
A. Mendel (1810) B. Balbiani (1881) C. Allard (1910) D. Baranetzky (1910)
In random mating population gene frequencies remain constant generation after generation in the absence of__________________?
A. Mutation B. Selection C. Migration D. Random drift
A child is born with an extra chromosome in each of it cells, the reason is___________________?
A. Non-disjunction B. Segregation C. Hybridization D. Crossing over
Nobel prize for the discovery of operon model was awarded to__________________?
A. Jacob and monod (1965) B. Crick (1966) C. Watson and Crick (1953) D. Briuen and Davidson (1959)