Evolution
Evolution & Zoology: Covers evolutionary theories, mechanisms, geological time scale, origin of life, human evolution, and key evolutionary principles
Questions
The connecting link between annelids and molluscans is the _________.
In terms of evolution, connecting links connect two different phylogenetic groups, and hence possess characteristics of both the groups.
- Neoceratodus
- Peripatus
- Neopilina
- Neomenia
- Neocoelia
The fact that the animals residing in warm, humid regions have darker colour than their counterparts in dry regions can be explained by the ________.
In terms of evolution, associations of body size and of body temperature with the fitness have complex relationships for animals.
- Dollo’s rule
- Bergman’s rule
- Cope’s rule
- Gloger’s rule
- Allen’s rule
The famous ancestor of present human beings as well as the earliest hominid to make tools is called the _________.
- Cro-Magnon man
- Homo habilis
- Peking man
- Java man
- Australopithecus
The ‘Age of mammals’ has been attributed to which of the following periods?
In terms of evolution, geological time scale describes the various stages in the history of life on the Earth.
- Devonian period
- Coenozoic era
- Mesozoic era
- Cambrian period
- Palaeozoic era
Who proposed the term ‘genetic drift’?
In terms of speciation, the term �genetic drift� refers to the random events causing the alteration in allele frequency in a given population.
- Darlington
- Alfred Wegener
- Wallace
- Sewall Wright
- Malthus
Which of the following theories is not related to the origin of life?
Many theories were proposed regarding the origin of life.
- Cosmozoic theory
- Theory of biogenesis
- Theory of inheritance of acquired characters.
- Theory of special creation
- Theory of abiogenesis
The concept that any genetic information cannot be transmitted for long without some deterioration in quality due to copy error was given by which of the following rules?
- Allen’s rule
- Shannon’s rule
- Dollo’s rule
- Cope’s rule
- Jordan’s rule
Who among the following scientists gave the first theory of evolution?
Evolution is defined as the descent with modification of diverse organism.
- Cuvier
- Wallace
- Lamarck
- Darwin
- Weismann
The primitive composition of the atmosphere on the Earth was dominated by __________.
The primitive atmosphere was of complete different composition to that of the present atmosphere.
- water vapours
- hydrogen
- oxygen
- argon
- nitrogen
Which of the following periods in the Palaeozoic era marked the formation of coral beds?
In terms of evolution, geological time scale describes the various stages in the history of life on Earth. The Paleozoic era, commonly known as cradle of ancient life, was the era divided into six periods.
- Cambrian
- Permian
- Carboniferous .
- Silurian
- Ordovician
The ALH84001 meteorite is believed to have arrived from the ___________.
The term ‘meteorite’ is a substance that is originated in the outer space and falls on the Earth's surface. The ALH84001 meteorite is hypothesized to have arrived from Mars and the subject of controversy of having life form remains.
- Mercury
- Venus
- Mars
- Jupiter
- Saturn
Who proposed the germplasm theory?
Germplasm refers to the protoplasm of germ cells or the protoplasm giving rise to new cells or entities.
- Charles Darwin
- Alfred Wallace
- Hugo de Vries
- Weismann
- Ernst Haeckel