Biology Tests Variations and Mutations Test 02 Preparation Online Variations and Mutations Test 02 Preparation Online 1. Ordinarily the continuous variations are considered?A. Heritable B. Heritable or non-heritable C. None of theseD. Non-heritable Loading... 2. Which of the following is not the example of positive quantitative variations?A. Presence of two ear pinnae in manB. 14 pairs of ribs in man C. Presence of six fingers in man D. Six arm in starfish Loading... 3. Continuous variations are small variations from one extreme to the other which are always found amongst members on a same species like variations in shape, colour size, weight etc. These were considered heritable and 'raw materials' for evolution by?A. Charles Lyell B. Mendel C. All of theseD. Charles Darwin Loading... 4. Presence of only four digits in hand will be an example of?A. Positive quantitative continuous variations B. Negative quantitative discontinuousvariations C. Positive quantitative discontinuous variations D. Negative quantitative continuous variations Loading... 5. Ancon sheep of Sethwright's Farm in Massachusetts (America) is example of?A. Continuous variation B. All of theseC. Somatogenic variation D. Substantive discontinuous variation Loading... 6. Determinate variations are also called?A. Continuous variations B. None of theseC. Orthogenic variations D. Both (a) & (b) Loading... 7. Discontinuous variations are?A. Sudden and non-heritable B. Sudden and heritable C. Grandual and heritable D. Gradual and non-heritable Loading... 8. Determinate variations are?A. Continuous variations B. None of theseC. Somatogenic variations D. Adaptive and selective variations of definite evolutionary lines Loading... 9. Quantitative discontinuous variations are positive when?A. The number of some variant part is normal B. The number of some variant part is more than normal C. The number of some variant part is unaffectedD. The number of some variant part is less than normal Loading... 10. Determinate variations are controlled by strong genes or their recombination which are often so strong that the characters continue to develop beyond usefulness, to bearer and ultimately bring extinction of the species. The example of such are?A. Antlers of Irish Elks B. None of theseC. Teeth of Swedolon D. Both (a) & (b) Loading... Loading... Related PostsVariations and Mutations Test 05 Preparation OnlineVariations and Mutations Test 03 Preparation OnlineVariations and Mutations Test 04 Preparation OnlineVariations and Mutations Test 01 Preparation OnlinePhysics MCQs Online Test 02 for PreparationPhysics MCQs Online Test 01 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