The Small Intestine

Q.

Which of the following hormones stimulates the secretion of pancreatic enzyme from the pancreas?

1. Secretin

2. Cholecystokinin

3. Gastric inhibitory peptide

4. Gastrin

Q.

Temperature range for maximum functioning of enzymes is

1. 40°C-65°C

2. 15°C-25°C

3. 20°C-30°C

4. 30°C-45°C

Q.

Proteins and fats can be nutritional sources of energy provided that

1. they are converted into glucose

2. they are degraded completely into atoms before entering a pathway

3. they are modified so that they can enter the glucose metabolic pathways

4. they enter their own pathways that are separate from the glucose metabolic pathways

Q.

Casein contained in milk is

1. Fat

2. Protein

3. Bacterium

4. Carbohydrate

Q. Parasympathetic system is concerned with

1. the voluntary control of movement
2. learning a new language
3. inhibiting the activity of the gastrointestinal tract
4. enhancing activity of most gastrointestinal functions

Q. Name different types of teeth and their number in an adult human.

Q. In which of the following organisms, extracellular as well as intracellular digestion occurs?

1. Paramecium
2. Planaria
3. Earthworm
4. All the given options

Q. In the wall of the alimentary canal, which is the true sequence from the outermost to the innermost layers?

1. Serosa, longitudinal muscle, mucosa, submucosa
2. Mucosa, serosa, long muscle
3. Serosa, long muscle, circular, submucosa, mucosa
4. Serosa, long muscle, submucosa, mucosa

Q. Aggregates of lymphoid tissue present in distal portion of small intestine is known as:

1. Villi
2. Rugae
3. Choroid plexus
4. Peyer’s patch

Q.

Give the exact location of the following.
Small intestine

Q. The following diagram is a section of the small intestinal mucosa showing villi. Label the highlighted parts.

1. Crypts
2. Capillaries
3. Lacteal
4. Enterocytes

Q. All of the following are correct with respect to the intestine of humans except

1. colon is divided into - ascending, descending, transverse and sigmoid
2. duodenum is C-shaped structure
3. taenae & haustra is present all along the length of intestine
4. highly developed villi are restricted to small intestine

Q. Opening of the stomach into duodenum is regulated by

1. pyloric sphincter
2. gastro-oesophageal sphincter
3. epiglottis
4. fundus

Q. Select the incorrect statement w.r.t. adult human.

1. The ileum is the longest part of the small intestine
2. The neurons of the myenteric plexus regulate GI tract secretion
3. Parietal cells secrete HCl which converts pepsinogen into pepsin
4. Chloride ions in saliva activate salivary amylase