Biology Tests Variations and Mutations Test 03 Preparation Online Variations and Mutations Test 03 Preparation Online 1. Mutations occur during process of gametogenesis due to errors in chromosome duplication and crossing over by?A. Deletion process B. Translocation process C. All of these processesD. Inversion process Loading... 2. The term "Saltatory or Discontinuous Variations" was used by Bateson for?A. Somatogenic changes occurring in organism during lifetime B. Random union of gametes in fertilization C. Random distribution of homologous genes in meiosisD. Sudden changes in the characteristics of organisms due to chemical changes in their genetic material Loading... 3. Change in gene pattern bringing about variations may be due to?A. Phenomenon of crossing over B. Random distribution of homologous genes in meiosis C. Random union of gametes in fertilization D. All of these Loading... 4. Who considered variations as characters acquired by the organisms during their life-time?A. Dodson B. Darwin C. De VriesD. Lamarck Loading... 5. Mutations were also called "Sports" by?A. Lamarck B. None of themC. Oparin D. Darwin Loading... 6. "Gene Point Mutations" are?A. Alteration in number of chromosomes B. None of theseC. 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. Difference in somatogenic and blastogenic variations is that?A. Former mayor may not be inherited but later are always inherited B. Both are not inheritedC. Both are inherited compulsorily D. Former are not inherited but later may be inherited Loading... 8. Who demonstrated development of important variations in mice reared at 5?C and 21?C?A. Tower and Agar B. Darwin and Walliace C. Bateson and PunettD. Huxley and Muller Loading... 9. If all the organisms would have inherited same genotype there would have been?A. Something elseB. No evolution C. Better evolution D. Special type of evolution Loading... 10. Sudden changes in characteristics of organism due to chemical changes in their genetic materials are called?A. Mutations B. None of theseC. Variations D. Both (a) & (b) Loading... Loading... Related PostsVariations and Mutations Test 01 Preparation OnlineVariations and Mutations Test 02 Preparation OnlineVariations and Mutations Test 05 Preparation OnlineVariations and Mutations Test 04 Preparation OnlinePhysics MCQs Online Test 01 for PreparationPhysics MCQs Online Test 02 for Preparation Continue Reading Previous Viruses MCQs Test 03 Preparation Online Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Δ
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