Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET 2005
Exam
NEET
Year
2005
Subject
Zoology
Chapter
Principles of Inheritance and Variation

NEET 2005 · Zoology · Principles of Inheritance and Variation

De Vries gave his mutation theory on organic evolution while...

De Vries gave his mutation theory on organic evolution while working on:

Options

  1. APisum sativum
  2. BDrosophila melanogaster
  3. COenothera lamarckiana
  4. DAlthea rosea.

Correct answer

C. Oenothera lamarckiana

Step-by-step solution

Hugo de Vries conducted his experiments on Oenothera Lamarckiana, (Evening Primrose) and found several aberrent types. He suggested that new types of inherited characteristics may appear suddenly without any previous indication of their presence in the race.
Practice Principles of Inheritance and Variation on Quantrex Academy →

More from Principles of Inheritance and Variation

Match List I with List II : List I List II A. Incomplete dominance I. Human skin colour… NEET 2026The sixth mutant codon of beta globin gene causing polymerization of Haemoglobin and… NEET 2026In a population of a grasshopper species, the chromosome number of some members is 23 and… NEET 2026Which one of the following disorders is caused by the substitution of Glutamic acid (Glu)… NEET 2026What is the probability of having children with 'O' blood group, where both mother and… NEET 2026Given below are two statements : one is labelled as Assertion A and the other is labelled… NEET 2026Given below are two statements : Statement I : Down's syndrome is caused by the absence… NEET 2026Which of the following statements are true with reference to the sex-determination in… NEET 2026 Full Principles of Inheritance and Variation list All NEET PYQs