Digestive System & Nutrition MCQs

Multiple-choice questions on the human digestive system and nutrition, covering various biological concepts and physiological processes.

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Showing questions 141 - 143 of 143

141. Gastric juice of infants contains :

nuclease, pepsinogen, lipase
pepsinogen, lipase, rennin
amylase, rennin, pepsinogen
maltase, pepsinogen, rennin

Gastric juice of infants contains pepsinogen, lipase, and rennin . Pepsinogen is for protein digestion, lipase for fat digestion, and rennin for milk coagulation.

142. The active form of Entamoeba histolytica feeds upon

mucosa and submucosa of colon only
food in intestine
blood only
erythrocytes; mucosa and submucosa of colon

The active form of Entamoeba histolytica feeds upon erythrocytes; mucosa and submucosa of colon . This parasite causes amoebiasis and invades the lining of the large intestine and consumes red blood cells.

143. The guts of cow and buffalo posses

Chlorella spp.
Methanogens
Cyanobacteria
Fucus spp.

The guts of cow and buffalo (ruminants) possess methanogens . These anaerobic microorganisms are crucial for the digestion of cellulose and the production of methane as a byproduct in the ruminant digestive system. Symbiotic microorganisms are also found in the caecum .

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