Mutation Theory
Trending Questions
Q. Match the evolutionary concepts listed under column I with the names of the scientists given under column II and select the right answer:
Column I Column II Evolutionary concepts Names of the scientistsALaws of hereditypWallaceBSynthetic theoryqMendelCMutation theoryrJ.B.S. HaldaneDTheory of Natural SelectionsHugo de Vries tDarwin
Column I Column II Evolutionary concepts Names of the scientistsALaws of hereditypWallaceBSynthetic theoryqMendelCMutation theoryrJ.B.S. HaldaneDTheory of Natural SelectionsHugo de Vries tDarwin
- A = q, B = r, C = s, D = t
- A = q, B = r, C = s, D = p
- A = p, B = r, C = s, D = t
- A = t, B = r, C = s, D = p
Q. Single step large mutation is called
- Evolution
- Organization
- Saltation
- Regeneration
Q. De Vries postulated the theory of mutation by working on evening primrose.
- True
- False
Q. Mutations are always harmful.
- False
- True
Q. Mutation could lead to evolution and speciation.
- False
- True
Q. Hugo de Vries proposed mutation theory based on his experiments on
- Pisum sativum
- Oenothera lamarckiana
- None of these
- Drosophila melanogaster
Q. Mutation is deemed as a necessary evil because
- It leads to speciation
- It leads to evolution
- It leads to extinction
- It leads to adaptation
- All of the above
Q. De Vries gave his mutation theory on organic evolution while working on
- Pisum sativum
- Althara rosea
- Oenothera lamarckiana
- Drosophila melanogaster
Q. Which of the following is important for speciation ?
- Behavioural isolation
- Tropical isolation
- Seasonal isolation
- Reproductive isolation
Q. Similarities in organism with different genotype indicates :
- Macroevolution
- Microevolution
- Convergent evolution
- Divergent evolution