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Modern Synthetic Theory of Evolution MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET
Quick Facts
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14 Questions around this concept.
Solve by difficulty
According to modern synthetic theory, the unit of evolution is :
Who proposed the theory of Germplasm
Who among the following scientists is not mentioned as a contributor to the modern synthetic theory of evolution?
Which term is synonymous with Neo-Darwinism?
The formation of a new group of organisms of a higher taxon by evolutionary divergence from an ancestral form is known as
Match column I with column II correctly:
| COLUMN I | COLUMN II |
| 1. Big - Bang theory | i. Richter |
| 2. Nebular hypothesis | ii. Hoyle and Lyttelton |
| 3. Planetesimal | iii. Kent |
| 4. Cosmozoic theory | iv. Abbe Lemaitre |
Modern evolutionary theory consists of the concepts of Darwin modified by knowledge concerning:
Concepts Covered - 1
Modern Concept of Evolution or Synthetic Theory of Evolution
- The present concept of evolution is a modified form of Darwin’s theory. It is often called Neo-Darwinism.
- The modern synthetic theory of evolution is the result of the work of a number of scientists namely T. Dobzhansky, R.A. Fisher, J.B.S. Haldane, Swall Wright, Ernst Mayr, and G.L. Stebbins.
- Stebbins in his book, Process of Organic Evolution, discussed the synthetic theory.
- It includes the following factors:
- Gene mutations
- Variations
- Heredity
- Natural selection
- Isolation
- In addition, accessory factors affect the working of these five basic factors:
- Migration of individuals from one population to increase the amount of genetic variability
- Hybridization between races or closely related species to increase the amount of genetic variability
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