Variations and Mutations Test 05 Preparation Online 1 Comment / Biology Tests / By Shani Malik Variations and Mutations Test 05 Preparation Online 1. Role of nutation in the process of organic evolution is?A. Reproductive isolation B. Genetic variation C. None of theseD. Genetic drift Loading... 2. Muller induced mutation in Drosophila melanogester by exposure to?A. X-rays B. None of theseC. Alpha-rays D. Beta-rays Loading... 3. Mutations in an organism are?A. Changes that are heritable B. Changes that mayor may not be heritable C. Changes that are inheritable D. Characters acquired by organisms during their lifetime Loading... 4. In which of the following conditions of gene, the pregnancy of mutant gene is expected to increase in a population?A. Dominance B. None of theseC. Recessiveness D. Both (a) & (b) Loading... 5. Generally the mutations are?A. Useful B. HarmfulC. Recessive D. Dominant Loading... 6. Mutations are respobsible for bringing?A. Very minute undetectable variations in organism B. Better as well as useful changes in organisms C. Increase in population rateD. Large variations in the organisms Loading... 7. A mutation means?A. A change affecting the offsprings in F2, generationB. A change affecting only the parents but never inherited C. A change responsible for growth of organism D. A change that is inherited Loading... 8. Which of the following chemicals can induce mutations?A. Caffeine B. All of theseC. Camphor D. Morphine Loading... 9. 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... 10. A sudden heritable change is called?A. Seggregation B. Mutation C. Variation D. None of these 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 OnlineIslamiat Mcqs Test 02 Online PreparationIslamiat Mcqs Test 03 Online PreparationIslamiat Mcqs Test 01 Online PreparationUrogenital System Test 07 Preparation Online
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