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Science · 2023 · 2 marks
CBSE 2023 · Region 4 · Set 1 · Q22
(A) Name the part of brain which is responsible for the following actions: (i) Maintaining posture and balance (ii) Beating of heart (iii) Thinking…
(A)
Name the part of brain which is responsible for the following actions:
(i)
Maintaining posture and balance
(ii)
Beating of heart
(iii)
Thinking
(iv)
Blood pressure
OR
(B)
Where are auxins synthesized in a plant? Which organ of the plant shows:
(i)
Positive phototropism
(ii)
Negative geotropism
(iii)
Positive hydrotropism
Marking-scheme solution
(A) (i) Cerebellum / Hind brain
(ii) Medulla / Hind brain
(iii) Cerebrum / Forebrain
(iv) Medulla / Hind brain
OR
(B) Tip of shoot / tip of root
(i) Shoot / stem
(ii) Shoot / stem
(iii) Roots
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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.