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Science · 2025 · 2 marks
CBSE 2025 · Region 3 · Set 2 · Q24
(a) Explain how the proteins control the 'characteristics' in an organism with the help of an example of 'short height' trait in pea plant. (b) Name…
(a)
Explain how the proteins control the 'characteristics' in an organism with the help of an example of 'short height' trait in pea plant.
(b)
Name the information source of making proteins in a cell.
Marking-scheme solution
a) Plant height depends on the amount of plant hormone produced, synthesis of plant hormone depends on the efficiency of enzymes (proteins), whose synthesis depends upon the specific DNA sequence(gene). Lesser the hormone formed, shorter will be the height of the plant.
(b) DNA/ Deoxyribonucleic acid/ Cellular DNA
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CBSE Class 10 Science past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.