(A) Both liver and kidney
(B) Intestine
(C) Adipose tissue
(D) Muscle
Category: Biochemistry Mcqs
Biochemistry Mcqs for NTS, PPSC, FPSC, SPSC, KPPSC, AJKPSC, PMS, NAT, PTS, Educators, Lecturer and all other exams. Here users will find all the Mcqs related to Biochemistry.
The β-ring of 7-dehydrocholesterol is cleaved to form cholecalciferol by?
(A) Infrared light
(B) Dim light
(C) Ultraviolet irridation with sunlight
(D) Light of the tube lights
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
Deficiency of vitamin D causes?
(A) Ricket and osteomalacia
(B) Tuberculosis of bone
(C) Hypthyroidism
(D) Skin cancer
Richest source of Vitamin D is?
(A) Fish liver oils
(B) Margarine
(C) Egg yolk
(D) Butter
A poor source of Vitamin D is?
(A) Egg
(B) Butter
(C) Milk
(D) Liver
The normal serum concentration of 24,25- dihydroxycholecalciferol in ng/ml is?
(A) 8–20
(B) 25–50
(C) 1–5
(D) 60–100
The normal serum concentration of 1,25- dihydroxycholecalciferol in pg/ml is?
(A) 26–65
(B) 1–5
(C) 5–20
(D) 80–100