CBSE 2024 · Region 2 · Set 2 · Q11 · 1 mark
Match the items in Column I with those in Column II and select the correctly matched option from those given below : Column I Cross Column II Phenotypic Ratio 1. Mendelian monohybrid(i)$\displaystyle 1$ : $\displaystyle 2$ : $\displaystyle 1$ (F2) 2. Mendelian dihybrid(ii)$\displaystyle 1$ : $\displaystyle 1$ 3. Incomplete dominance(iii)$\displaystyle 3$ : $\displaystyle 1$ (F2) 4. Test cross (monohybrid)(iv)$\displaystyle 9$ : $\displaystyle 3$ : $\displaystyle 3$ : $\displaystyle 1$ (F2) Options :
Match the items in Column I with those in Column II and select the correctly matched option from those given below : Column I Cross Column II Phenotypic Ratio 1. Mendelian monohybrid
(i)
$\displaystyle 1$ : $\displaystyle 2$ : $\displaystyle 1$ (F2) 2. Mendelian dihybrid
(ii)
$\displaystyle 1$ : $\displaystyle 1$ 3. Incomplete dominance
(iii)
$\displaystyle 3$ : $\displaystyle 1$ (F2) 4. Test cross (monohybrid)
(iv)
$\displaystyle 9$ : $\displaystyle 3$ : $\displaystyle 3$ : $\displaystyle 1$ (F2) Options :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle 1$ (iii), $\displaystyle 2$ (iv), $\displaystyle 3$ (i), $\displaystyle 4$ (ii)
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CBSE Class 12 Biology past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.