Kinds of nitrogen containing bases fond in RNA are__________________? April 21, 2025 by admin A. Two B. Four C. Six D. Eight
In meiosis homologous chromosomes separate from each other in ______________________? April 21, 2025 by admin A. metaphase I B. Auaphase I C. Metaphase II D. Anaphase II
The chief function of the centro mere concerns___________________? April 21, 2025 by admin A. Spindle formation B. Nucleolus formation C. Chromosome replication D. Chromosome movement
The protoplasm is________________? April 21, 2025 by admin A. Solution B. Semi-solid C. Crysto colloidal solution D. Colloidal solution
Sugar present in DNA is_______________? April 21, 2025 by admin A. Pentose B. Hexose C. Heptose D. Triose
Polytene chromosomes were first observed by___________________? April 21, 2025 by admin 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__________________? April 21, 2025 by admin 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___________________? April 21, 2025 by admin A. Non-disjunction B. Segregation C. Hybridization D. Crossing over
Nobel prize for the discovery of operon model was awarded to__________________? April 21, 2025 by admin A. Jacob and monod (1965) B. Crick (1966) C. Watson and Crick (1953) D. Briuen and Davidson (1959)
