2 interactive concept widgets for Biomolecules. Drag any slider, change any number, and watch the formula and the answer update live. Built so you understand how each NEET problem actually works, not just the final number.
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Click any carbohydrate (glucose, sucrose, maltose, cellulose, glycogen, etc.) to see its class, reducing/non-reducing status, glycosidic linkage type, and key NEET fact. Covers the critical NEET points: sucrose is non-reducing; amylose has alpha-1,4; cellulose has beta-1,4.
Click any carbohydrate to see its class, reducing/non-reducing status, glycosidic linkage type, and the NEET-relevant fact. Master sucrose (non-reducing), amylose vs amylopectin (linkage), and cellulose vs starch (alpha vs beta).
All 13 vitamins with fat-soluble vs water-soluble grouping. Click any vitamin to see its chemical name, deficiency disease, symptoms, food sources, and coenzyme form. Includes the full quick-reference table for match-the-following NEET questions.
Click any vitamin to see its chemical name, solubility, deficiency disease, symptoms, and food sources. Covers all 13 vitamins tested in NEET. Fat-soluble (A, D, E, K) are stored in fat; water-soluble (B group, C) are not stored and need regular intake.
Night blindness (nyctalopia) and xerophthalmia
| Vitamin | Name | Deficiency disease |
|---|---|---|
| A | Retinol | Night blindness (nyctalopia) and xerophthalmia |
| D | Calciferol (D₂/D₃) | Rickets (children), osteomalacia (adults) |
| E | Tocopherol | Haemolysis of RBCs (rare in adults |
| K | Phylloquinone (K₁) / Menaquinone (K₂) | Impaired blood clotting (haemorrhage) |
| B1 | Thiamine | Beriberi |
| B2 | Riboflavin | Ariboflavinosis |
| B3 | Niacin (Nicotinic acid) | Pellagra |
| B5 | Pantothenic acid | Burning feet syndrome (rare) |
| B6 | Pyridoxine | Convulsions, peripheral neuritis, dermatitis |
| B7 | Biotin | Dermatitis, hair loss, conjunctivitis |
| B9 | Folic acid (Folate) | Megaloblastic (macrocytic) anaemia |
| B12 | Cobalamin | Pernicious anaemia, subacute combined degeneration of spinal cord |
| C | Ascorbic acid | Scurvy |
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