Biology
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Easy
Question
Theory of pangenesis was given by
- Darwin
- Lamarck
- Hugo de Vries
- Oparin
The correct answer is: Darwin
Darwin proposed the theory of pangenesis to explain the inheritance of characteristics from parents to offsprings. According to this theory every somatic cells produces gemmules and the actual germ cells are the sites of collection of gemmules coming from different somatic cells.
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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?
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Which one of the following phenomenon supports Darwin’s concept of natural selection in organic evolution?
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Which of the following situation would most likely result in the highest rate of natural selection?
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Modern synthetic theory is based on
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Diagram given below indicates
Diagram given below indicates
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Thorns of 
and tendrils of 
are examples of
Thorns of and tendrils of are examples of
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evolved about 1.7 million years ago. They used fire and tools and also used animal hides as clothing. The fossil of were named as
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Comparative anatomy and morphology shows …A… and …B… among organisms of today and those that existed years ago. Such similarities can be interpreted to understand whether …C… ancestors were shared or not
Choose the correct option for A, B and C the complete the given NCERT statement
Comparative anatomy and morphology shows …A… and …B… among organisms of today and those that existed years ago. Such similarities can be interpreted to understand whether …C… ancestors were shared or not
Choose the correct option for A, B and C the complete the given NCERT statement
BiologyGeneral
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Homology refer to
I. Divergent evolution
II. Common descent
III. Convergent evolution
Choose the correct option
Homology refer to
I. Divergent evolution
II. Common descent
III. Convergent evolution
Choose the correct option
BiologyGeneral
