Which of the following enzyme present in saliva acts as an antibacterial agent that prevents infection?
1. Salivary amylase
2. Thiocyanate
3. Lysozyme
4. Chitinase
The saliva secreted by salivary glands does not
(1) Contain electrolytes like , , and
(2) Give safety against dental carries
(3) Bring about hydrolysis of starch upto 90%
(4) lnitiate the process of digestion
Which of the following reactions is not catalysed
by a brush border enzyme?
(1) Maltose glucose+ glucose
(2) Lactose glucose + glucose
(3) Starch Disaccharide
(4) Nucleotides Nucleoside
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 Maltose
Nucleosides Sugars + Bases
Di and monoglycerides Fatty acids +
Glycerol
Trypsinogen 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
Match Column-I with Column-II
Column I Column II
(i) Brunner’s gland a. Salivary amylase
(ii) Rugae b. Nucleosidase
(iii) Succus entericus c. Mucosa layer
(iv) Carbohydrate d. Sub-mucosa
splitting enzyme
Choose the correct option
1. i-d, ii-a, iii-b, iv,-c
2. i-c, ii-d, iii-b, iv-a
3. i-b, iii-c, ii-a, iv-d
4. i-d, ii-c, iii-b, iv-a