Match List-I (Mutants described by de Vries) with List-II (Characters) and select the correct answer:

List-I List-II

a. Progressive species 1. Plants which did not breed true but produced mutants like the parent

b. Regressive species 2. Species with weak structures which will become extinct ultimately

c. Degressive species 3. Species with loss of some characters

d. Inconstant species 4. Species with additional characters

A) a-4, b-3, c-2, d-1 B) a-4, b-2, c-1, d-3 C) a-4, b-2, c-3, d-1 D) a-2, b-3, c-4, d-1

Answer & Solution

Correct Answer: Option A

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List-I	List-II
a. Progressive species	1. Plants which did not breed true but produced mutants like the parent
b. Regressive species	2. Species with weak structures which will become extinct ultimately
c. Degressive species	3. Species with loss of some characters
d. Inconstant species	4. Species with additional characters