Pyridoxine deficiency may lead to convulsions as it is needed for the synthesis of 

(A) GABA 

(B) PABA 

(C) EFA 

(D) SAM

The vitamin required for carboxylation reaction is 

(A) Vitamin B₂ 

(B) Vitamin B₆ 

(C) Biotin 

(D) Vitamin B₁₂

Deficiency of vitamin C causes 

(A) Beriberi

(B) Pellagra 

(C) Pernicious anaemia 

(D) Scurvy

The structure shown below is of 

(A) Cholecalciferol 

(B) 25-Hydroxycholecalciferol 

(C) Ergocalciferol 

(D) 7-Dehydrocholesterol

Continued intake of excessive amounts of vitamin A especially in children produces 

(A) Irritability 

(B) Anorexia 

(C) Headache 

(D) All of these

The sulphur-containing vitamins among the following B-Vitamin is 

(A) Thiamine 

(B) Riboflavin 

(C) Niacin 

(D) Pyridoxine

Pyridoxine deficiency leads to 

(A) Megaloblastic anemia 

(B) Aplastic anemia 

(C) Hypochromic microcytic anemia

(D) Permicious anemia

Under what condition to basal metabolic rate goes up? 

(A) Cold environment 

(B) Hot environment 

(C) Intake of base forming foods 

(D) Hypothyroidism

Calcitriol is 

(A) 1-OH-cholecalciferol 

(B) 25-OH-cholecalciferol 

(C) 24, 25-diOH cholecalciferol 

(D) 1, 25-diOH cholecalciferol

Vitamin A or retinal is a

(A) Steroid 

(B) Polyisoprenoid compound containing a cyclohexenyl ring 

(C) Benzoquinone derivative 

(D) 6-Hydroxychromane