Which one of the following is the correct matching of the site of action on the given

substrate, the enzyme acting upon it and the end product?
1. Duodenum :Triglycerides→Trypsin→Monoglycerides
2. Small intestine :Starch→α-amylase→Disaccharide (maltose)
3. Small intestine :Proteins→Pepsin→Amino Acids
4. Stomach :Fats→ Lipase→Micelles

The following is a scheme showing the fate of carbohydrates during digestion in the

human alimentary canal. Identify the enzymes acting at stages indicated as A, B, C

and D. Choose the correct option from those given.

1. A = Amylase, B = Maltase, C = Lactase,D = Invertase

2. A = Amylase, B = Maltase, C = Invertase,D = Lactase

3. A = Amylase, B = Invertase, C = Maltase, D = Lactase

4. A = Amylase, B = Lactase, C = Maltase, D = Invertase

During digestion, before the action of lipase, fat is emulsified by:-

1. ergosterols

2. phospholipids

3. lipoproteins

4. digitonin

Which of the folowing teeth are lophodont ?

1. Incisor and canine

2. Canine and premolar

3. Premolar and molar

4. Premolar and incisor

Which of the following digestive juices has the minimum pH value ?

1. Bile

2. Gastric juice

3. Saliva

4. Pancreatic juice

In adults, curdling of the milk in small intestine occurs due to the action of

1. rennin

2. erypsine

3. trypsin

4. chymotrypsin

Excessive stimulation of vagus nerve in humans may lead to:

1. hoarse voice

2. peptic ulcers

3. efficient digestion of proteins

4. irregular contractions of diaphragm.

Which one of the following pairs of the kind of cells and their secretion is correctly matched ?

(1) Oxyntic cells --- a secretion with pH between 2.0 and 3.0

(2) Alpha cells of islets of Langerhans ---- secretion that decreases blood sugar level

(3) Kupffer cells --- a digestive enzyme that hydrolyses nucleic acids

(4) Sebaceous glands --- a secretion that evaporates for cooling

Which match is true?

A child took sugar cane and sucked its juice. Regarding this which of the following match is correct ?