MH SET Life Science Evolution Previously Asked Questions:
1. A phenomenon in which animals adapted to temperate regions have shorter and poorly developed ears, eyes, hair, and other phenotypic traits below__________ (MH SET-2020)
1) Bergmann Law
2) Allens Law
3) Copes Law
4) Dollos Law
Answer: 2) Allens Law
2. During the evolutions of life, the first formed cell were______________ (MH SET-2019)
1) Photoautotrophs
2) Chemoautotrophs
3) Saprotrophs
4) Chemoheterotrophs
Answer: 4) Chemoheterotrophs
3. Lamarck’s theory of organic evolution is popularly known as__________ (MH SET-2018)
1) Inheritance of Acquired Characters
2) Decents with Change
3) Continuity of Germplasm
4) Natural Selection
Answer: 1) Inheritance of Acquired Characters
4. A species inhabiting different geographical regions is known as___________ (MH SET-2018)
1) Sympatric
2) Allopatric
3) Siblings
4) Biospecies
Answer: 2) Allopatric
5. When Speciation occurs due to a physical barrier that divides the continuous population into fragmented populations is termed as___________ (MH SET-2017)
1) Parapetric speciation
2) Peripatric speciation
3) sympatric speciation
4) Allopatric speciation
Answer: 4) Allopatric speciation
6. First life on earth was_______ (MH SET-2016)
1) Cyanobacteria
2) Saprophytes
3) Chemoheterotrophs
4) Photoautotrophs
Answer: 3) Chemoheterotrophs
7. Formation of new species without geographic isolation in presence of a barrier to gene flow is known as speciation___________(MH SET-2016)
1) Isopatric
2) Allopatric
3) Sympatric
4) Allelopathic
Answer: 3) Sympatric
8. Which of the following exhibits the most fit individual in an evolutionary sense_________(MH SET-2015)
1) A tiger who is successful at capturing prey but has no cubs
2) A tiger who has 10 cubs, eight of which live to adulthood
3) A tiger who overcome a disease and live to have 3 cubs
4) A tiger who shows parental care for his cubs but only 2 live to adulthood
Answer: 3) A tiger who overcome a disease and live to have 3 cubs
9. During evolution genetic drift occurs in_____________(MH SET-2013)
1) Mendelian population
2) Large population
3) Large population on island
4) Small population
Answer: 4) Small population
10. During the early stages of development, embryos of reptiles, birds, and mammals look very similar. This suggests that reptiles, birds and mammals __________(MH SET-2013)
1) Have common ancestors
2) Live in the same environment
3) Have undergone parallel evolution
4) are no longer undergoing evolution
Answer: 1) Have common ancestors
11. Which of the following statement is most likely to be true about two species______(MH SET-2011)
1) They occupy a different niche
2) They can never hybridize naturally
3) There Chromosome numbers differ
4) Their structural genes may show 25-50% sequence homology
Answer: 3) There Chromosome number differ