Choose the incorrect sentence from the following:

(a)

Bile juice emulsifies the fat.

(b)

Chyme is a digestive acidic food in stomach.

(c)

Pancreatic juice converts lipid into fatty acid and glycerol.

(d)

Enterokinase stimulates the secretion of pancreatic juice.

What is chyme_______ ?

(a)

The process of conversion of fat into small droplets.

(b)

The process of conversion of micelles substances of glycerol into fatty droplet.

(c)

The process of preparation of incompletely digested acidic food through gastric juice.

(d)

The process of preparation of completely digested liquid food in midgut.

Which of the following hormones stimulate the production of pancreatic juice and bicarbonate?

(a)

Angiotensin and epinephrine

(b)

Gastrin and insulin

(c)

Cholecystokinin and secretin

(d)

Insulin and glucagon

Which one is incorrectly matched?

(a)

Pepsin - Stomach

(b)

Renin -Liver

(c)

Trypsin - Intestine

(d)

Ptyalin - Mouth

Absorption of glycerol, fatty acids and monoglycerides takes place by ______.

(a)

Lymph vessels within villi

(b)

Walls of stomach

(c)

Colon

(d)

Capillaries within villi

Which of the following combinations are not matched?

(a)

Column I	Column II
(a) Bilirubin and biliverdin	i) Intestinal juice

(b)

Column I	Column II
(b) Hydrolysis of starch	ii) Amylases

(c)

Column I	Column II
(c) Digestion of fat	iii) Lipases

(d)

Column I	Column II
(d) Salivary gland	iv) Parotid

Match column I with column II and choose the correct option

Column I	Column II
(P) Small intestine	i) 23 cm
(Q) Large intestine	ii) 4 meter
(R) Oesophagus	iii) 12.5 cm
(S) Pharynx	iv) 1.5 meter

(a)

P	Q	R	S
iv	ii	i	iii

(b)

P	Q	R	S
ii	iv	i	iii

(c)

P	Q	R	S
i	iii	ii	iv

(d)

P	Q	R	S
iii	i	ii	iv

Match column I with column II and choose the correct option

Column I	Column II
(P) Lipase	i) Starch
(Q) Pepsin	ii) Casein
(R) Renin	iii) Protein
(S) Ptyalin	iv) Lipid

(a)

P	Q	R	S
iv	ii	i	iii

(b)

P	Q	R	S
iii	iv	ii	i

(c)

P	Q	R	S
iv	iii	ii	i

(d)

P	Q	R	S
iii	ii	iv	i

Which of the following is not the function of liver?

(a)

Production of insulin

(b)

Detoxification

(c)

Storage of glycogen

(d)

Production of bile

Assertion : (A) Large intestine also shows the presence of villi like small intestine.
Reason : (B) Absorption of water takes place in large intestine.

(a)

Both A and B are true and B is the correct explanation of A

(b)

Both A and B are true but B is not the correct explanation of A

(c)

A is true but B is false

(d)

A is false but B is true

Which of the following is not true regarding intestinal villi?

(a)

They possess microvilli.

(b)

They increase the surface area.

(c)

They are supplied with capillaries and the lacteal vessels

(d)

They only participate in digestion of fats.

Why are villi present in the intestine and not in the stomach?

Bile juice contains no digestive enzymes, yet it is important for digestion. Why?

List the chemical changes that starch molecule undergoes from the time it reaches the small intestine.

How do proteins differ from fats in their energy value and their role in the body?

Digestive secretions are secreted only when needed Discuss.

Label the given diagram.