Question
Which Vitamin is fat-soluble ?
The correct answer is
Vitamin D
Vitamin Classification: Fat-Soluble Identification
Vitamins are essential nutrients. They are broadly classified based on their solubility: fat-soluble and water-soluble.
- Fat-soluble vitamins (A, D, E, K) dissolve in fat and are stored in the body's fatty tissues and liver.
- Water-soluble vitamins (B vitamins and C) dissolve in water and are generally not stored in the body; excess amounts are usually excreted.
Analyzing Vitamin Solubility
Let's examine the options provided:
| Vitamin Option | Type | Solubility |
|---|---|---|
| Biotin (Vitamin $B_7$) | Water-soluble | Dissolves in water |
| Vitamin $B_1$ (Thiamine) | Water-soluble | Dissolves in water |
| Vitamin D | Fat-soluble | Dissolves in fat; stored in the body |
| Vitamin $B_{12}$ (Cobalamin) | Water-soluble | Dissolves in water |
Conclusion on Fat-Soluble Vitamin
Based on the classification, Vitamin D is the only fat-soluble vitamin among the choices provided. Biotin, Vitamin $B_1$, and Vitamin $B_{12}$ are all water-soluble vitamins.
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Important Questions from Miscellaneous
- Which of the following relationships is/are not true?
(A). Most probable velocity = $\sqrt{\frac{2RT}{M}}$
(B). PV = $\frac{3}{2}kT$
(C). Compressibility factor Z = $\frac{pV}{nRT}$
(D). Average kinetic energy of gas = $\frac{1}{2}kT$
Choose the correct answer from the options given below - Match List-I with List-II
List-I List-II Electronic Configuration First Ionisation energy (kJ mol$^{-1}$) (A). ns$^2$ (I). 2100 (B). ns$^2$np$^1$ (II). 1400 (C). ns$^2$np$^3$ (III). 800 (D). ns$^2$np$^6$ (IV). 900
Choose the correct answer from the options given below: - The shielding constant of a 2p electron (calculated using Slater's rules) is
- Match List-I with List-II
List-I List-II Spectroscopy Property (A). Raman (I). Polarizability (B). FTIR (II). Dipole Moment (C). UV-Visible (III). Absorbance (D). NMR (IV). Spin
Choose the correct answer from the options given below: - The structure of protein comprises of:
(A). Primary structure of protein is associated with amino acids
(B). Secondary structure of protein is associated to peptides
(C). Tertiary structure of protein is associated with polypeptide chains
(D). Quaternary structure of protein is associated with polypeptide chains
Choose the correct answer from the options given below:
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