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Science · 2023 · 2 marks
CBSE 2023 · Region 4 · Set 2 · Q25
Name the hormone secreted in scary situations by animals. Write any three responses which enable the animal body to deal with it.
Name the hormone secreted in scary situations by animals. Write any three responses which enable the animal body to deal with it.
Marking-scheme solution
Adrenaline
Three responses:-
(1) It increases the heartbeat.
(2) Blood to the digestive system is reduced.
(3) Breathing rate increases .
(4) Blood to the skin reduced.
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CBSE Class 10 Science past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.