Anti-oxidant activity is present in (A) β-Carotene (B) Retinol (C) Retinoic acid (D) All of these Last Answer : Answer : A...
Anti-oxidant activity is present in (A) β-Carotene (B) Retinol (C) Retinoic acid (D) All of these Last Answer : (A) β-Carotene...
The following form of vitamin A is used in the visual cycle: (A) Retinol (B) Retinoic acid (C) Retinaldehyde (D) Retinyl acetate Last Answer : Answer : C...
The international unit of vitamin A is equivalent to the activity caused by (A) 0.3 µg of Vitamin A alcohol (B) 0.344 µg of Vitamin A alcohol (C) 0.6 µg of Vitamin A alcohol (D) 1.0 µg of Vitamin A alcohol Last Answer : Answer : A...
One international unit (I.U) of vitamin D is defined as the biological activity of (A) 0.025 µg of cholecalciferol (B) 0.025 µg of 7-dehydrocholecalciferol (C) 0.025 µg of ergosterol (D) 0.025 µg of ergocalciferol VITAMINS 113 Last Answer : Answer : A...
On exposure to light rhodopsin forms (A) All trans-retinal (B) Cis-retinal (C) Retinol (D) Retinoic acid Last Answer : Answer : A...
In the individuals who are given liberal quantities of vitamin C, the serum ascorbic acid level is (A) 1–1.4 µg/100 ml (B) 2–4 µg/100 ml (C) 1–10 µg/100 ml (D) 10–20 µg/100 ml Last Answer : Answer : A...
The non-protein part of rhodopsin is (A) Retinal (B) Retinol (C) Carotene (D) Repsin Last Answer : Answer : A...
Non-protein part of rhodopsin is (A) Retinal (B) Retinol (C) Carotene (D) Repsin Last Answer : Answer : A...
Two molecules of vitamin A can be formed from 1 molecule of (A) α-Carotene (B) β-Carotene (C) γ-Carotene (D) All of these Last Answer : Answer : B...
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