Variations and Mutations Test 05 Preparation Online Shani Malik — January 16, 2021 in Biology Tests • add comment Variations and Mutations Test 05 Preparation Online 1. Currently it is held that somatic variations are not inherited, while heritable mutations which help organism in adoption are selected by "Nautre" and get maximum chance for transmission to future generations and form basis of evolution. State whether this statement is?A. None of theseB. Wrong C. Correct D. Partially wrong Loading... 2. Which of the following chemicals can induce mutations?A. All of theseB. Morphine C. Camphor D. Caffeine Loading... 3. A sudden heritable change is called?A. None of theseB. Seggregation C. Variation D. Mutation Loading... 4. Mutations in an organism are?A. Characters acquired by organisms during their lifetimeB. Changes that are inheritable C. Changes that mayor may not be heritable D. Changes that are heritable Loading... 5. Generally the mutations are?A. Recessive B. Dominant C. Useful D. Harmful Loading... 6. Role of nutation in the process of organic evolution is?A. Reproductive isolation B. Genetic drift C. Genetic variation D. None of these Loading... 7. A mutation means?A. A change affecting only the parents but never inherited B. A change that is inherited C. A change affecting the offsprings in F2, generationD. A change responsible for growth of organism Loading... 8. In which of the following conditions of gene, the pregnancy of mutant gene is expected to increase in a population?A. Recessiveness B. Dominance C. None of theseD. Both (a) & (b) Loading... 9. Muller induced mutation in Drosophila melanogester by exposure to?A. Beta-rays B. X-rays C. Alpha-rays D. None of these Loading... 10. Mutations are respobsible for bringing?A. Very minute undetectable variations in organism B. Increase in population rateC. Large variations in the organisms D. Better as well as useful changes in organisms Loading... Loading... Related NTS Results Post:Variations and Mutations Test 01 Preparation OnlineVariations and Mutations Test 04 Preparation OnlineVariations and Mutations Test 02 Preparation OnlineVariations and Mutations Test 03 Preparation OnlineBalance of Payments Test 02 Preparation OnlineBalance of Payments Test 04 Preparation OnlineUrogenital System Test 02 Preparation OnlineUrogenital System Test 03 Preparation Online