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Science · 2026 · 1 mark
CBSE 2026 · Region 4 · Set 1 · Q6
Two pea plants, one with round green seeds (RRyy) and another with wrinkled yellow (rrYY) seeds were crossed with each other which produced F_1…
Two pea plants, one with round green seeds (RRyy) and another with wrinkled yellow (rrYY) seeds were crossed with each other which produced $\displaystyle \mathrm{F}_{1}$ progeny that have only round yellow (RrYy) seeds. When $\displaystyle \mathrm{F}_{1}$ plants are self-pollinated, the $\displaystyle \mathrm{F}_{2}$ progeny will have which new combination of characters, as compared to the parents :
(i)
Round, yellow
(ii)
Round, green
(iii)
Wrinkled, yellow
(iv)
Wrinkled, green Correct options are :
Official answer
(B)
(i) and (iv)
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CBSE Class 10 Science past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.