In humans, disorders of nervous system are caused due to the deficiency of vitamin

(1) Pyridoxine  
(2) Retinol 
(3) Phylloquinone  
(4) Ascorbic acid

Which one of the following is not a factor of respiration?

(1) Oxygen 
(2) Carbondioxide 
(3) Water 
(4) Temperature

Which endocrine gland does regulate the level of phosphorus in blood?

(1) Thyroid 
(2) Parathyroid 
(3) Adrenal 
(4) Pituitary

The site for complete digestion of carbohydrates, proteins and fats is

(1) Large intestine 
(2) Stomach 
(3) Small intestine 
(4) Mouth

Anger is caused by increased levels ofthe following hormone.

(1) Somatotropin
(2) Thyroxine
(3) Testosterone
(4) Adrenaline