Match List I with List II:
List I (Name of Vitamin)
Choose the correct answer from the options given below:
Match each vitamin with its deficiency disorder:
- Vitamin B12 → Pernicious anaemia (A–IV)
- Vitamin D → Rickets (B–III), a bone disorder due to calcium/phosphate imbalance
- Vitamin B2 (Riboflavin) → Cheilosis (C–I), characterized by cracked lips and inflammation at mouth corners
- Vitamin B6 (Pyridoxine) → Convulsions (D–II), due to its role in neurotransmitter synthesis
Correct match: A–IV, B–III, C–I, D–II
Why can't vitamin C be stored in our body?
Scurvy is caused due to deficiency of:
Assertion (A): Vitamin D cannot be stored in our body.
Reason (R): Vitamin D is fat-soluble vitamin and is not excreted from the body in urine.
A sphere of radius R is cut from a larger solid sphere of radius 2R as shown in the figure. The ratio of the moment of inertia of the smaller sphere to that of the rest part of the sphere about the Y-axis is :