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STD 12 - 4. principal of inheritance and variation — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 4. principal of inheritance and variation1 Mark
MCQ
The main reason for the success of Mendel was
  • A
    Study of all the characters at the same time
  • B
    Study of one character at one time
  • C
    Study of all the plants at the same time
  • D
    Counting of plants
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