Variations and Mutations Test 03 Preparation Online Shani Malik — January 16, 2021 in Biology Tests • add comment Variations and Mutations Test 03 Preparation Online 1. The term "Saltatory or Discontinuous Variations" was used by Bateson for?A. Somatogenic changes occurring in organism during lifetime B. Sudden changes in the characteristics of organisms due to chemical changes in their genetic material C. Random union of gametes in fertilization D. Random distribution of homologous genes in meiosis Loading... 2. Who demonstrated development of important variations in mice reared at 5?C and 21?C?A. Bateson and PunettB. Tower and Agar C. Darwin and Walliace D. Huxley and Muller Loading... 3. Difference in somatogenic and blastogenic variations is that?A. Former mayor may not be inherited but later are always inherited B. Former are not inherited but later may be inherited C. Both are inherited compulsorily D. Both are not inherited Loading... 4. Mutations occur during process of gametogenesis due to errors in chromosome duplication and crossing over by?A. Deletion process B. Inversion process C. All of these processesD. Translocation process Loading... 5. If all the organisms would have inherited same genotype there would have been?A. Better evolution B. No evolution C. Something elseD. Special type of evolution Loading... 6. "Gene Point Mutations" are?A. None of theseB. Alteration in number of chromosomes C. Changes in nucleotide sequence of DNA molecule usually at a single place affecting single gene D. Changes in chramosome effecting a number of genes simultaneously Loading... 7. Mutations were also called "Sports" by?A. Lamarck B. None of themC. Darwin D. Oparin Loading... 8. Sudden changes in characteristics of organism due to chemical changes in their genetic materials are called?A. Variations B. Both (a) & (b) C. Mutations D. None of these Loading... 9. Change in gene pattern bringing about variations may be due to?A. Random union of gametes in fertilization B. All of theseC. Random distribution of homologous genes in meiosis D. Phenomenon of crossing over Loading... 10. Who considered variations as characters acquired by the organisms during their life-time?A. LamarckB. De VriesC. Dodson D. Darwin Loading... Loading... Related NTS Results Post:Variations and Mutations Test 01 Preparation OnlineVariations and Mutations Test 04 Preparation OnlineVariations and Mutations Test 05 Preparation OnlineVariations and Mutations Test 02 Preparation OnlineIslamiat Mcqs Test 03 Online PreparationChemistry MCQs Test 05 Online PreparationChemistry MCQs Test 06 Online PreparationBiology Mcqs Test 09 Online Preparation
