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Chapter 18 - Evolution - Test 2
Evolution is not supported by comparative anatomy and artificial selection.
Evolution is a gradual change in living organisms with passage of time.
Evolutionary process producing homologus organs is called convergent evolution.
Appendix is functional in human beings.
The origin of species by means of natural selection is given by Darwin.
Weismann postulated that body acquired characteristics resulting in phenotypic changes did not affect the germ cells.
Gradual and continuous process of modification of ancestral forms is known as:
Gradual or spontaneous changes in genetic material of an organism is known as:
Which scientist have agreed with the theory of Darwin, except human evolution:
1) Hungo de Vries
2) Charles lyell
4) Alfred Russell
One of the following is the example of continuous variation:
2) Tung rolling
3) None of above
4) Blood groups
Development of calf muscles in ladies, who wear high heels is a common example of:
1) Natural selection
2) Use and disuse of organ
3) Artificial selection
4) Inheritance of acquired characters
One of the feature of Darwin s theory is that all organisms tend to reproduce in geometrical progression is known as:
2) Use and disuse of organs
3) natural selection
Long necked giraffes are evolved from short necked giraffes; an idea of:
3) August Weisemann
Established a theory of evolution by means of natural selection:
1) Hungo Devries
2) Charles Lyell
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