Which of the following facts does not hold truth with reference to De Vries Theory of organic evolution:

Organic Evolution Theories Mcqs
BILAL KHATTAK0

A.New species evolve by sudden and distinct heritable changes called by mutations and not by natural selection
B.First individual showing is called mutant’. It is pure breeding as well as transmits mutations to its progeny and thus starts a new species
C.All organisms have tendency to mutate but the rate of mutation varies from time to time depending upon environmental and physiological conditions
D.The development and deficiency of organs are in proportion to use and disuse of these organs

Related Mcqs:

  1. De Vries Theory of Organic Evolution is longer accepted because of one of the lowing criticisms:
  2. By illustrating the examples of African giraffe and snakes Lamarck emphasized mainly that:
  3. Hugo De Vries while working on plants Oenothera Lamarchiana developed his famous theory of:
  4. In a population, unrestricted reproductive capacity is called as __________?
  5. Currently Evolution and Natural Selection are regarded as natural phenomena. Principles of Genetics applied to Population Dynamics have removed the drawbacks of Darwin’s Theory as a result neo Darwinism has emerged out as Modern Synthetic Theory of Organic Evolution. The theory was designated to explain organic evolution by:
  6. Evolution is an excellent working hypothesis to approach the problem of:
  7. Hugo De Vries pioneered the theory of mutations to explain the mechanism of organic evolution. The material on which he performed experiments was:
  8. One major criticism against Darwin’s Theory on evolution is:
  9. Initial material to Medern Synthetic Theory of Organic Evolution was provided by Dobzhansky’s book entitled:
  10. Lamarck’s theory of organic evolution was published in the book entitled:

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