The Small Intestine

Q.

Describe the digestion of starch.

Q.

pH value of the

(1) Saliva (before meal)

(2) Saliva (after meal)

Q.

The digestion of food is completed in which part of the alimentary canal?

Q.

Name the part of the alimentary canal where major absorption of digested food takes place. What are the absorbed forms of different kinds of food materials?

Q. What are gas vacuoles? State their functions?

Q. Lacteals are present in the ___________

1. large intestine
2. anus
3. small intestine
4. stomach

Q.

What is segmentation in digestion?

Q.

What would happen if the ducts of salivary glands are closed?

Q.

Which of the following statements is incorrect?

1. Brunner’s glands are submucosal.

2. Irregular folds of gastric mucosa are rugae.

3. Glissson’s capsule is the connective tissue sheath of hepatic lobule.

4. Mesothelium or serosa lies in close proximity to the circular layer of muscularis.

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. taenae & haustra is present all along the length of intestine
3. highly developed villi are restricted to small intestine
4. duodenum is C-shaped structure

Q. Adenoids tonsil are found at

1. the roof of the nasopharynx
2. the base of the tongue
3. the sides of the back of the mouth
4. anterior wall of the nasopharynx

Q.

Brunner’s glands are found in

1. Submucosa of stomach

2. Wall of rectum

3. Submucosa of duodenum

4. Mucosa of ileum

Q.

What is the longest part of human digestive system?

Q. difference between paneth cells and Goblet cells?

Q. Select the odd with respect to enzymes present in adult human -

1. Trypsin
2. Renin
3. Rennin
4. Pepsin

Q. Go through the following statements
(i) Failure of cytokinesis after telophase stage of cell division results in aneuploidy
(ii) In sickle cell anaemia, there is a single base substitution at the sixth codon of the beta globin gene from GAG to GCG.
(iii) In phenylketonuria, phenylalanine is accumulated and is converted to phenylpyruvic acid and other derivatives.
(iv) In sickle cell anaemia, the mutant hemoglobin molecule undergoes polymerization under low oxygen tension causing the change in the shape of RBC.
Find the out the correct statements,

1. All are correct
2. (i), (ii), & (iii)
3. (iii) & (iv)
4. (ii), (ii), & (iv)

Q.

In flowering plants food is transported in the form of ___.

Q.

Cholecystokinin and duocrinin are secreted by

1. Thyroid gland

2. Adrenal cortex

3. Pancreas

4. Intestine

Q. GALT includes lymphoid tissue present in the

1. bronchus
2. nasal mucosa
3. gastrointestinal tract
4. Both a and b

Q. The bacterium that helps in breakdown of cellulose in rumen of cattle is

1. $Lactobacillus$
2. $Escherichia$
3. $Methanobacterium$
4. $Clostridium$

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. Which of the following is least likely to be present in glomerular filtrate (the filtrate produced by nephron before it enters the loop of Henle) of a healthy adult nephron?

1. Amino acid
2. Glucose
3. Large molecular weight protein
4. Electrolytes

Q. Indole-3-acetic acid, called auxin, was first isolated from

1. human urine
2. corn germ oil
3. Rhizopus
4. Fusarium

Q.

Name the part of the small intestine?

Q.

Mention the function of Bile juice.

Q.

What is the name of the sphincter that separates the stomach from the small intestine?

Q. Where does digestion of fat takes place in our body?

Q. Regarding assertion and reason, select the right option.
Assertion[A]: Trypsin helps in blood digestion of predator animals.
Reason[R]: Trypsin hydrolyses fibrinogen.

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

Q.

Difference between ingestion and digestion?

Q. Epithelial cells of the intestine involved in food absorption have on their surface

1. Zymogen granules
2. Pinocytic vesicles
3. Phagocytic vesicles
4. Microvilli