Biology
General
Easy
Question
According to abiogenesis, life originated from
- Non-living
- Pre-existing life
- Chemicals
- Extra-terrestrial matter
The correct answer is: Non-living
Theory of abiogenesis or autobiogenesis or theory of spontaneous generation was supported byAnaximander, Aristotle, Thales, Xenophanes, Plato and Von Helmont, etc. As per this theory, life originated from non-living (life-less) materials automatically.
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Mutation results in
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The idea of natural selection as the fundamental process of evolutionary changes was reached
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Factor affecting the Hardy-Weinberg principles are
I. gene flow
II. genetic drift
III. mutation
IV. genetic recombination
V. natural selection
The correct combination is
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I. gene flow
II. genetic drift
III. mutation
IV. genetic recombination
V. natural selection
The correct combination is
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I. Bottle neck effect II. Budding
III. Immigrants IV. Sexual reproduction
V. Binary fission VI. Asexual reproduction
Choose the correct combination
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I. Bottle neck effect II. Budding
III. Immigrants IV. Sexual reproduction
V. Binary fission VI. Asexual reproduction
Choose the correct combination
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Miller synthesized simple amino acids from one of the following mixtures in his experiment
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During the course of human evolution which part of the brain has shown maximum increase in size?
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In Hardy-Weinberg law the homozygous dominant alleles, homozygous recessive alleles and heterozygous alleles are represented by
I II III
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I II III
BiologyGeneral
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Theory of pangenesis was given by
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In Africa, there is a species of bird called the yellow-throated long claw. It looks exactly like the meadowlark found in North America, but they are not closely related. This is an example of
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Who first conducted experiment on evolution to prove biochemical origin of life?
Who first conducted experiment on evolution to prove biochemical origin of life?
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Which one of the following phenomenon supports Darwin’s concept of natural selection in organic evolution?
Which one of the following phenomenon supports Darwin’s concept of natural selection in organic evolution?
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When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed as
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