Large Intestine

Read the following statements regarding the absorption of nutrients. Choose the correct set of statements from the given below codes. I. Absorption of carbohydrates takes place in the stomach and jejunum part of intestine. II. The water soluble end products of food can reach the blood and lymph directly. III. Large intestine and buccal cavity do not function as the site of absorption. IV. Large intestine is the site of absorption of about 90% of the total water present in the hydrolysed food.

Consider the following four statements and select the correct option stating which ones are true (T) and which ones are false (F). (i) The stomach has the lwest pH. (ii) The liver contains lpid emulsifier (iii) Large intestine secretes many enzymes. (iv) All proteases function in the lumen of small intestine.

Assertion: Water and electrolytes are almost fully absorbed in the large intestine. Reason: In large intestine, haustral contraction (slow semgmenting movements) roll the forming faeces over and over, causing absorption of water and electrolytes.

Read the following statements and select the correct option. Statement 1: The worm-like structure attached to the caecum at the beginning of the large intestine is known as vermiform appendix. Statement 2 : Vermiform appendix has no apparent digestive function.

Indicate whether each of the following statements is true (T) or false (F): (i) Bilirubin is derived from haemoglobin (ii) The stomach has the lowest pH. (iii) The liver contains lipid emulsifer. (iv) Lack of castle,s interinsic gastric factor causes pemicious anaemia. (v) The nonessential amino acids cannot be synthesized in the body cells. (vi) Large intestine secretes many enzymes. (vii) Insects have proteases to digest animals fibrous proteins (viii) All proteases function in the lumen of samll intestine.

Mark the following statements as True or False. If false, write the correct statements. (a) Tongue is attached to the roof of the mouth cavity at the back. (b) The large intestine is longer and wider than the small intestine of the human alimentary canal. (c ) Mucus protects the stomach lining from damage. (d) All heterotrophs have a smiliar basic process of nutrition.

Choose the odd one out from each group and give reasons. (i) liver, salivary gland, starch, gall bladder (ii) stomach, liver, pancreas, salivary gland (iii) tongue, absorption, taste, swallow (iv) oesophagus, small intestine, large intestine, rectum

Following are given parts of small and large intestine. (i)Cecum (ii) Colon (iii)Jujunum (iv)Rectum (v)Duedonum (vi)Ileum Choose the arrangement that lists the structures in the order food passes through them from the small intestine to the anus.

Correct the statements given below by the right option shown in the bracket against them: (a) Absorption of amino acids and glycerol takes place in the (small intestine/large intestine) (b) The faeces in the rectum initiate a reflex causing an urge for its removal. (neural / hormonal) (c) Skin and eyes turn yellow in infection of (liver/ stomach) (d) Rennin is a proteolytic enzyme found in gastric juice in (infants / adults). (e) Pancreatic juice and bile are released through (intestine-pancreatic/hepato-pancreatic duct.) (f) Dipeptides, disaccharides and glycerides are brokendown into simple substances in region of small intestine. (jejunum/duodenum).