Q. No.The fossils of Homo erectus were discovered in _____ and it existed about ____ mya.
1. Tanzania; 2
2. Java; 1.5
3. Ethiopia; 1.5
4. Australia; 2
1. Tanzania; 2
2. Java; 1.5
3. Ethiopia; 1.5
4. Australia; 2
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Adenine was synthesized by Orgel, using the Miller apparatus, when he used the gas :
1. carbon dioxide
2. hydrogen cyanide
3. hydrogen sulfide
4. nitrogen
The ‘phrase’ that will best describe ‘Natural Selection’ will be:
1. differential success in reproduction
2. differential mortality
3. assortative mating
4. descent with modification
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In organic evolution what is it that actually evolves?
| 1. | individual | 2. | family |
| 3. | population | 4. | species |
The extinct reptilian lineage that evolved into dinosaurs and later on the birds is:
| 1. | Pelycosaurs | 2. | Synapsids |
| 3. | Tuataras | 4. | Thecodonts |
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Fishes with stout and strong fins that could move on land and go back to water existed about:
| 1. | 500 mya | 2. | 350 mya |
| 3. | 320 mya | 4. | 300 mya |
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Identify the incorrectly matched pair:
1. Cretaceous period : dinosaurs became extinct
2. Carboniferous period : origin of reptiles
3. Silurian period : origin of vascular plants
4. Cambrian period : first vertebrates (jawless fishes)
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de Vries based his “Mutation Theory” on his observation on :
1. Pisumsativum
2. Drosophila melanogaster
3. Oenotheralamackiana
4. Coenorhabditiselegans
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Which of the following is a useful tool to measure microevolution?
1. Genetic drift
2. Hardy-Weinberg equation
3. Mendelian ratios
4. Age/sex ratio
The connecting link between the fishes and amphibians are the:
1. Seymouria
2. Peripatus
3. Cartilaginous fishes
4. Coelocanths [lobe finned fishes]
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