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Question

Match the correct set.

Column I Column II
I. Modified form of Lamarckism A. G.L. Stebbins (1950)
II. Variation and evolution in plants B. Neo-Lamarckism
III. Germinal selection theory C. Etienne Geoffroy
IV. Supporter of Lamarck's theory D. August Weismann

A
I- A, II- B, III- C, IV- D
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B
I- D, II- B, III- C, IV- A
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C
I- B, II- A, III- D, IV- C
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D
I- D, II- A, III- C, IV- B
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Solution

The correct option is C I- B, II- A, III- D, IV- C
To account for polymorphism Weismann developed hypothesis of germinal selection. He said that the germplasm has got not a single set of determiners but a number of different sets of determiners. It is the environment that decides which set of determiners will express themselves.
Etienne Geoffroy Saint-Hilaire was a French naturalist who established the principle of "unity of composition". He was a colleague of Jean-Baptiste Lamarck and expanded and defended Lamarck's evolutionary theories. Variation and Evolution in Plants is a book written by G. Ledyard Stebbins, published in 1950. Modified form of Lamarckism is neo lamarckism.
Therefore, the correct answer is option C.

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