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Rumen: Quiz


Question 1: The reticulum (derived from the Latin for net[1]) is lined with ridges that form a ________ honeycomb pattern.
HexagonOctagonPolygonRegular polygon

Question 2: The uppermost area of the rumen, the headspace, is filled with gases (such as methane, ________, and, to a much lower degree, molecular hydrogen) released from fermentation and anaerobic respiration of food.
Carbon cycleCarbon dioxideCarbon sinkGreenhouse gas

Question 3: In situations in which nitrogen for microbial growth is in excess, protein and its derivatives can also be fermented to produce energy, yielding ________.

Question 4: Microbes in the reticulorumen include bacteria, protozoa, fungi, ________, and viruses.

Question 5: ________ are partly hydrolysed and hydrogenated, and glycerol, if present in the lipid, is fermented.

Question 6: Both non-structural and structural carbohydrates are hydrolyzed to ________ or disaccharides by microbial enzymes.

Question 7: The rumen, also known as a paunch, forms the larger part of the reticulorumen, which is the first chamber in the ________ of ruminant animals.
Human gastrointestinal tractPeritonitisColorectal cancerAscending cholangitis

Question 8: After being swallowed, ________ travels down the oesophagus and is deposited in the dorsal part of the reticulum.
FoodMedieval cuisineCookingMeat

Question 9: Rumen Archaea, approximately 3% of total microbes, are mostly autotrophic methanogens and produce ________ through anaerobic respiration.

Question 10: ________, a phenolic compound, is recalcitrant to digestion, through it can be solubilized by fungi.
PlantCell wallFungusLignin


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