Sphincter of Oddi will guard the opening of:
 
1. A
2. B
3. C
4. D

The intrinsic nervous system that is responsible for peristalisis is present in which part shown in the given transverse section of the human gut?
   
1. A
2. B
3. C
4. D

Study the given diagram and choose the correct statements:
  
I. A is involved in the absorption of fatty acids
II. B is a gland
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II

In the given diagram showing anatomical regions of the human stomach, A, B and C respectively represent:

1. Fundus, Cardia and Pylorus
2. Cardia, Pylorus and Fundus
3. Fundus, Pylorus and Cardia
4. Pylorus, Cardia and Fundus

Assertion: In animals, chemical digestion is necessary.
Reason: Mechanical digestion, typically, precedes chemical digestion, increasing the surface area for chemical digestion.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.

Assertion: Carnivores often tear off pieces of their prey but have little need to chew them.
Reason: Digestive enzymes can act directly on animal cells.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.

Assertion: Antibiotics have no role to play in the management and treatment of a vast majority of cases of gastric ulcers.
Reason: Most gastric ulcers are known to be caused by psychological stress and resulting excess acid secretion.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false

Assertion: Pernicious anemia is preventable with balanced diet or with supplements.
Reason: Most green leafy vegetables have an adequate amount of B₁₂ that can prevent pernicious anemia.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.

Assertion: The secretion of bile by liver is important physiologically as it helps in the digestion and absorption of fats.
Reason: Bile contains bile pigments that help in first emulsification of fats and later absorption of fatty acids and glycerol through micelle formation.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.

Assertion: The microvilli of small intestinal epithelium are important for the final step of digestion of carbohydrates especially.
Reason: The microvilli that constitute the brush border have enzymes for this final part of digestion anchored into their apical plasma membrane as integral membrane proteins.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.