lecture-7

Question 1

which glands is present in stomach ?

Answer 1

gastric glands

Question 2

Which juice is secreted by gastric gland ?

Answer 2

Gastric Juice

Question 3

Gastric juice contains which enzymes ?

Answer 3

pepsin
rennin
lipase

Question 4

write the functions of :
pepsin
rennin
lipase

Answer 4

pepsin [ protiens —> peptones ]
rennin [ caesin —-> Calcium-paracaseinate ]
lipase [ lipid (fat)—-> fatty acid + glycerol ]

Question 5

what are protiens ?

Answer 5

chain of amino acid molecules

Question 6

What are peptones ?

Answer 6

smaller fragments of protein

Question 7

pepsin does full or partial digestion of proteins ?

Answer 7

partial ( converts into peptones )

Question 8

Milk coagulating enzyme present in stomach is called ?

Answer 8

Rennin

Question 9

Which component of food is not digested in stomach ?

Answer 9

Carbohydrates

Question 10

Which enzyme is also used to make cheese / paneer ?

Answer 10

Rennin

Question 11

what juice is secreted by liver ? Where is the juice stored ? what part of alimentary canal receives this juice ?

Answer 11

Bile juice
stored in Gal bladder
small intestine particularly Duodenum receives this juice

Question 12

What enzyme is present in bile juice ?

Answer 12

bile juice contains no enzyme

Question 13

functions of bile juice ?

Answer 13

-> helps in digestion of fat by the process of emulsification

Question 14

What is emulsification ?

Answer 14

Conversion of big fat drops into smaller droplets with the help of bile is called emulsification

Question 15

What does pancreas secrete ?

Answer 15

Pancreatic juice

Question 16

Which juice is called complete digestive juice and why ?

Answer 16

Pancreatic juice because it digests proteins , fats and carbs

Question 17

Name the enzymes present in pancreatic juice ?

Answer 17

Trypsin
Amylase (pancreatic amylase)
Lipase

Question 18

functions of :
trypsin
Amylase
Lipase

Answer 18

trypsin [ proteins —-> peptones ]
Amylase [ starch —> maltose ]
Lipase [ lipid (fat) —> fatty acid + glycerol ]

Question 19

what digestion occurs in jejunum ?

Answer 19

No digestion occurs in jejunum . It takes part in maximum absorption of food .

Question 20

Which gland is associated with ileum ?

Answer 20

Intestinal glands

Question 21

Which juice is secreted by intestinal glands ?

Answer 21

Intestinal juice

Question 22

Name the enzymes secreted by intestinal juice ?

Answer 22

lactase
maltase
sucrase
peptidase
lipase

Question 23

functions of :
lactase
maltase
sucrase
peptidase
lipase

Answer 23

lactase [ lactose —-> glucose + galactose ]
maltase [ maltose —–> glucose + glucose ]
sucrase [ sucrose —-> glucose + fructose ]
peptidase [ peptones —-> amino acids ]
lipase [ lipid —–> fatty acid + glycerol ]

Question 24

name the milk sugar and milk protein ?

Answer 24

milk sugar – lactose
milk protein – caesin