Alimentary canal begins with :-

1. An vertical slit, the mouth

2. An anterior opening, buccal cavity

3. An ventral slit, the mouth

4. An opening, the mouth

Match the following columns and choose the correct answer from the options given below

1. a-iv, b-i, c-ii, d-iii
2. a-iv, b-iii, c-i, d-ii
3. a-i, b-ii, c-iii, d-iv
4. a-iv, b-iii, c-ii, d-i

Process of conversion of complex food substances to simple absorbable form is called :-

1. Assimilation

2. Deamination

3. Digestion

4. Absorption

Principal organ for the absorption of nutrients is

1. Buccal cavity

2. Stomach

3. Small intestine

4. Large intestine

Mark the incorrect statement

Mark the correct pair of food components in human

which reach to stomach in undigested form 

Bile duct and pancreatic duct open together

into the duodenum as the common hepato-

pancreatic duct which is guarded by a sphincter

called

Mark the condition where food is not properly 

digested leading to feeling of fullness. This can be

caused due to inadequate secretion, food

poisoning, over eating etc.

Match the following

1. a(ii), b(iv), c(iii), d(i)
2. a(iv), b(ii), c(i), d(iii)
3. a(iv), b(i), c(iii), d(ii) 
4. a(ii), b(iv), c(i), d(iii)

Following are certain enzymatic reactions taking 

place in the human alimentary canal. Each 

reaction is depicted it with suitable enzyme A, B,

C and D. Find from the options the correct set of 

enzymes required to carry out these reactions

Starch $\stackrel{\mathrm{A}}{\to }$ Maltose

Nucleosides $\stackrel{\mathrm{B}}{\to }$ Sugars + Bases

Di and monoglycerides $\stackrel{\mathrm{C}}{\to }$ Fatty acids +

Glycerol

Trypsinogen $\stackrel{\mathrm{D}}{\to }$ Trypsin

1. A $-$ Pancreatic amylase

     B $-$ Nucleotidase

     C $-$ Lipase

     D $-$ Trypsin

2. A $-$ Salivary amylase

     B $-$ Nucleases

     C $-$ Dipeptidases

     D $-$ Enterokinase

3. A $-$ Dipeptidases

     B $-$ Nucleotidase

     C $-$ Lipase

     D $-$ Trypsin

4. A $-$ Salivary amylase

     B $-$ Nucleosidases

     C $-$ Lipase

     D $-$ Enterokinase