Which of the following is relatively most accurate method for dating of fossils?
1. Electron-spin resonance method
2. Uranium-lead method
3. Potassium-argon method
4. Radio-carbon method
De Vries gave his mutation theory on organic evolution while working on
1. Oenothera lamarckiana
2. Drosophila melanogaster
3. Pisum sativum
4. Althea rosea
Which one of the following amino acids was not found to be synthesized in Miller’s experiment?
1. Glycine.
2. Aspartic acid
3. Glutamic acid
4. Alanine
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An important evidence in favor of organic evolution is the occurrence of
1. Homologous and vestigial organs
2. Analogous and vestigial organs
3. Homologous organs only
4. Homologous and analogous organs
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Which one of the following is not a living fossil?
1. King crab
2. Sphenodon
3. Archaeopteryx
4. Peripatus
Evolutionary history of an organism is known as
1. Phylogeny
2. Ancestry
3. Paleontology
4. Ontogeny
Jurassic period of the Mesozoic era is characterized by
1. Gymnosperms are dominant plants and first birds appears.
2. Radiation of reptiles and origin of mammal like reptiles.
3. Dinosaurs become extinct and angiosperms appears.
4. Flowering plants and first dinosaurs appear.
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Adaptive radiations refers to
1. Power of adaptation in an individual to a variety of environments.
2. Adaptations due to geographical isolation.
3. Evolution of different species from a common ancestor.
4. Migration of members of a species to different geographical areas.
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Amongst the human ancestors the brain size was more than 1000 cc in
1. Homo habilis
2. Homo neanderthalensis
3. Homo erectus
4. Ramapithecus
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Which one of the following pairs of items correctly belongs to the category of organs mentioned against it?
1. Wings of honey bee and wings of crow - Homologous organs
2. Thorn of Bougainvillea and tendrils of Cucurbita - Analogous organs
3. Nictitating membrane and blind spot in human eye - Vestigial organs
4. Nephridia of earthworm and Malpighian tubules of cockroach - Excretory organs