A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
E) If the assertion is false but reason is true
Correct Answer: B
Solution :
Mendel chose garden pea as plant material for his experiments, since it had the following advantages : (i) Well defined characters. (ii) Bisexual flowers. (iii) Predominantly self-fertilization. (iv) Easy hybridization. Besides these features, garden pea, being self-fertilized, had pure lines due to natural self-fertilization for a number of years. Therefore, any variety used was pure for the characters it carried. Mendel?s success was mainly based on the fact that he considered a single character at one time.
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