Most of the digestion occurs in 

(a) rectum

(b) stomach

(c) duodenum

(d) small intestine

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Which one of the following vitamin can be synthesised by bacteria inside the gut? 
(a) B
(b) D
(c) C
(d) Both b and c

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To which of the following family do folic acid and pantothenic acid belong? 

(a) Vitamin-C

(b) Vitamin-K 

(c) Vitamin-A

(d) Vitamin-B complex

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The richest sources of vitamin-B12 are 

(a) goat's liver and Spirulina

(b) chocolate and green gram

(c) rice and hen's egg

(d) carrot and chicken's breast

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Which one of the following pairs of food components in humans reaches the stomach totally undigested? 

(a) Protein and starch

(b) Starch and fat

(c) Fat and cellulose

(d) Starch and cellulose

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Lactose is composed of

(a) glucose + fructose

(b) glucose + glucose

(c) glucose + galactose

(d) fructose + galactose

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Which one of the following amino acids is an essential part of human diet ?

(a) Glycine

(b) Phenylalanine

(c) Serine

(d) Aspartic acid

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Which of the following pair is characterised by swollen lips, thick pigmented skin of hands and legs and irritability ?

(a) Thiamine      ---- Beri-Beri

(b) Protein         ---- Kwashiorkor

(c) Nicotinamide ---- Pellagra

(d) Iodine          ---- Goitre

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Fructose is absorbed into the blood through mucosa cells of intestine by the process called 

(a) active transport

(b) facilitated transport

(c) simple diffusion

(d) co-transport mechanism

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The haemorrhagic disease of new born is caused due to the deficiency of 
(a) vitamin-A
(b) vitamin-B1
(c) vitamin-B12
(d) vitamin-K

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