Evolution

Sequence of which of the following is used to know the phylogeny ?

1. DNA
2. r-RNA
3. m-RNA
4. t-RNA

In which era reptiles were dominant ?

1. Archaeozoic era
2. Mesozoic era
3. Coenozoic era
4. Paleozoic era

Half life period of C14 is : -

1. 5000 years
2. 50 years
3. 500 years
4. 5 104 years

Similarities in organism with different genotype indicates : -

1. Divergent evolution
2. Macroevolution
3. Convergent evolution
4. Microevolution

Reason of diversity in living beings : -

1. Mutation
2. Short term evolutionary change
3. Long term evolutionary change
4. Gradual change

Which of the following is closest relative of man ?

1. Gorilla
2. Chimpanzee
3. Gibbon
4. Orangutan

Which of the following is correct order of the evolutionary history of man ?

1. Peking man, Heidelberg man, Neanderthal man, Cro-Magnon man
2. Peking man, Neanderthal man, Homo sapiens, Cro-Magnon man
3. Peking man, Neanderthal man, Homo sapiens, Heidelberg man
4. Peking man, Homo sapiens, Neanderthal man, Cro-Magnon man

First life on earth was : -

1. Autotrophs
2. Photoautotrophs
3. Cyanobacteria
4. Chemoheterotrophs

Forthcoming generations are less adaptive than their parental generation due to

1. Genetic drift
2. Natural selection
3. Mutation
4. Adaptation

Occurrence of endemic species in South America and Australia is due to

1. There is no terrestrial route to these places
2. Retrogressive evolution
3. These species have become extinct from other regions
4. Continental separation