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Biology · 2026 · 1 mark
CBSE 2026 · Region 4 · Set 1 · Q7
Nicotine affects blood pressure and heart rate due to release of certain adrenal hormones. Following are some of the adrenal hormones: (i) Adrenaline…
Nicotine affects blood pressure and heart rate due to release of certain adrenal hormones. Following are some of the adrenal hormones :
(i)
Adrenaline
(ii)
Cortisol
(iii)
Noradrenaline
(iv)
Aldosterone Select the correct option :
Official answer
(D)
(i) and (iii)
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CBSE Class 12 Biology past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.