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Chemistry · 2025 · 3 marks
CBSE 2025 · Region 5 · Set 2 · Q28
(a) Name the vitamin whose deficiency causes pernicious anaemia. (b) Write any two differences between globular and fibrous proteins.
(a)
Name the vitamin whose deficiency causes pernicious anaemia.
(b)
Write any two differences between globular and fibrous proteins.
Marking-scheme solution
(a)
Vitamin B12
(b)
Globular proteins
Fibrous proteins
1.Water soluble
1. Insoluble in water
2.Spherical shape
2.Fibre-like structure
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CBSE Class 12 Chemistry past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.